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#deepsky

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DüttMessier 46 mit NGC 2438<br> Ein gestaffelter Blick in den Raum - 698, 1370, 5000 Lichtjahre:<br> Messier 46 ist ein Offener Sternhaufen im Sternbild Puppis („Achterdeck des Schiffes”).<br> Das Objekt wurde 1771 von Charles Messier entdeckt. Etwa 500 Sterne leuchten in einer Entfernung von circa 5000 Lichtjahren. Im nördlichen Bereich liegt der Planetarische Nebel NGC 2438, der sich - aus der Perspektive des irdischen Beobachters - vor dem Sternhaufen befindet. NGC 2438 wurde 1786 von Wilhelm Herschel entdeckt und befindet nach den neuesten GAIA-Messungen in 1370 Lichtjahren Entfernung, sein Alter liegt bei 8500 Jahren. Bei dem orange-gelben Stern im Bild unten rechts handelt es sich um SAO 153227, Spektrum K3II, Entfernung 698 Lichtjahre, Helligkeit 4,98m.<br> <br> Aufnahmedaten<br> Kamera: ZWO ASI 1600 MMP bei -18°, Gain 200<br> Optik: 102/920 mm Fluorit Apo bei f/7<br> Belichtung: Ha: 54m L: 20m R: 17m G: 13m B: 12m<br> gesamte Belichtungszeit: 1 h 56 m<br> Korrekturen: Bias, Dark- und Flatframes<br> EBV: PixInsight, Fitswork, Photoshop<br> Aufnahmeort: Münster<br> <br> <br> <a href="https://pixelfed.de/discover/tags/astronomie?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#astronomie</a> <a href="https://pixelfed.de/discover/tags/astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#astronomy</a> <a href="https://pixelfed.de/discover/tags/astrophotography?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#astrophotography</a> <a href="https://pixelfed.de/discover/tags/deepsky?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#deepsky</a> <a href="https://pixelfed.de/discover/tags/openstarcluster?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#openstarcluster</a> <a href="https://pixelfed.de/discover/tags/sternfreundemünster?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#sternfreundemünster</a>
Kevin Russell<p><span class="h-card" translate="no"><a href="https://mastodon.social/@ehtelescope" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ehtelescope</span></a></span> </p><p>Hashtags are <a href="https://mstdn.social/tags/mastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mastodon</span></a>, no other way to find a subject, bunch of friends, interests except hashtags. </p><p>No algorithms.</p><p>Dont just use hashtags, follow them, and harvest their best accounts, etc. Etc. etc. </p><p><a href="https://mstdn.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mstdn.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mstdn.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://mstdn.social/tags/blackHole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blackHole</span></a> <a href="https://mstdn.social/tags/scientist" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scientist</span></a> <a href="https://mstdn.social/tags/stem" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stem</span></a></p>
iPotato<p>Just 15 minutes under the stars, and the Whirlpool Galaxy whispers across 23 million light-years. <br><a href="https://m.cmx.im/tags/Astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophotography</span></a> <a href="https://m.cmx.im/tags/M51" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>M51</span></a> <a href="https://m.cmx.im/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://m.cmx.im/tags/SeestarS50" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SeestarS50</span></a> <a href="https://m.cmx.im/tags/GalaxyHunting" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GalaxyHunting</span></a></p>
Tadpoleastro 🔭📸<p>Sh2-157 Lobster Claw from the 2024 Fall Bootleg Astronomy Star Party. More details in Telescopius or Astrobin. Thanks for looking, Clear Skies!</p><p>TSOptics 60<br>SW EQ6R Pro<br>ZWO 533MC Pro<br>Optolong L-Ult<br>75x300s</p><p><a href="https://astrodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://astrodon.social/tags/astrophoto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophoto</span></a> <a href="https://astrodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://astrodon.social/tags/astropics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astropics</span></a> <a href="https://astrodon.social/tags/spacephotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spacephotography</span></a> <a href="https://astrodon.social/tags/amateurastrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>amateurastrophotography</span></a> <a href="https://astrodon.social/tags/backyardastronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>backyardastronomy</span></a> <a href="https://astrodon.social/tags/deepskyphotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepskyphotography</span></a> <a href="https://astrodon.social/tags/amateurastronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>amateurastronomy</span></a> <a href="https://astrodon.social/tags/deepspaceobject" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepspaceobject</span></a> <a href="https://astrodon.social/tags/deepskyastrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepskyastrophotography</span></a> <a href="https://astrodon.social/tags/backyardastrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>backyardastrophotography</span></a> <a href="https://astrodon.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://astrodon.social/tags/nightsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nightsky</span></a></p>
decafbad<p><span class="h-card" translate="no"><a href="https://photog.social/@FotoVorschlag" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>FotoVorschlag</span></a></span> es ist 'Verblüffend' was sich trotz der heftigen Lichtverschmutzung (und dem/n Flugverkehr und Satelliten) doch noch beobachten lässt. <br><a href="https://troet.cafe/tags/pentax" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pentax</span></a> <a href="https://troet.cafe/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://troet.cafe/tags/FotoVorschlag" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FotoVorschlag</span></a> <a href="https://troet.cafe/tags/OrionNebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OrionNebula</span></a></p>
Oliver<p><a href="https://lfnt.site/tags/Pleiades" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pleiades</span></a> open star cluster</p><p>Sony a5100 + 70-210mm kit lens. <br>131 x 30 seconds<br>ISO 3200<br>f6.3</p><p>Stacked with <a href="https://lfnt.site/tags/siril" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>siril</span></a>, final touches in <a href="https://lfnt.site/tags/gimp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gimp</span></a>. </p><p><a href="https://lfnt.site/tags/7Sisters" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>7Sisters</span></a> <a href="https://lfnt.site/tags/telescope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>telescope</span></a> <a href="https://lfnt.site/tags/telescopes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>telescopes</span></a> <a href="https://lfnt.site/tags/astro" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astro</span></a> <a href="https://lfnt.site/tags/astrophoto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophoto</span></a> <a href="https://lfnt.site/tags/astrophotos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotos</span></a> <a href="https://lfnt.site/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://lfnt.site/tags/astrophotographer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotographer</span></a> <a href="https://lfnt.site/tags/spacephotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spacephotography</span></a> <a href="https://lfnt.site/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://lfnt.site/tags/universe" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>universe</span></a> <a href="https://lfnt.site/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://lfnt.site/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://lfnt.site/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://lfnt.site/tags/deepspace" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepspace</span></a></p>
Julien :ve: 🔭:python:<p>I'm not done with the processing of my Soul Nebula (IC 1848) data but I thought I'd share this little crop from the larger image which has strong "cosmic cliffs" vibes.</p><p>Image: CC BY-NC-SA 4.0</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/ic1848" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ic1848</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/sho" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sho</span></a> <a href="https://techhub.social/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://techhub.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://techhub.social/tags/darktable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>darktable</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/foss" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>foss</span></a> <a href="https://techhub.social/tags/CreativeCommons" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CreativeCommons</span></a> <a href="https://techhub.social/tags/ccbyncsa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ccbyncsa</span></a></p>
Julien :ve: 🔭:python:<p>The Helix Nebula (NGC 7293) is a planetary nebula in the constellation Aquarius. At approximately 655 light-years from Earth, it is one of the closest of the bright planetary nebulae.</p><p>The planetary nebula is formed by the shedding of the outer layers of its central star near the end of its evolution. The energy from the central star causes the expelled gases to fluoresce.</p><p>High resolution image and technical details on Telescopius: <a href="https://telescopius.com/pictures/view/201732/deep_sky/ngc-7293/helix-nebula/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">201732/deep_sky/ngc-7293/helix-nebula/by-drgfreeman</span></a></p><p>Image license: CC BY-NC-SA 4.0.</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/PlaneratyNebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlaneratyNebula</span></a> <a href="https://techhub.social/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://techhub.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://techhub.social/tags/NGC7293" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NGC7293</span></a> <a href="https://techhub.social/tags/KStars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KStars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/GIMP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GIMP</span></a></p>
christian<p>The Western Veil Nebula (NGC 6960)<br>Exposures of the Supernova remnant taken in 4 nights from late July to August 2024.Tech/Imaging: Telescope TS72, Camera Touptek IMX571 (OSC), 229x120 sec = 7.6h exposure time, OffAxisGuiding.Stacked and pocessed in Siril (with Starnet++) with some final processing in Affinity Photo. <a href="https://mastodontech.de/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://mastodontech.de/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodontech.de/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://mastodontech.de/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://mastodontech.de/tags/deepskyphotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepskyphotography</span></a> <a href="https://mastodontech.de/tags/universe" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>universe</span></a> <a href="https://mastodontech.de/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a></p>
Julien :ve: 🔭:python:<p>Sh 2-155, from the Sharpless catalog, also known as the Cave Nebula, is a diffuse nebula in the constellation Cepheus, within a large nebula complex containing emission, reflection and dark nebulae. Sh 2-155 is an ionized H II region with ongoing star formation activity, at an estimated distance of 2400 light-years from Earth.</p><p>Technical details, high resolution and annotated versions available on Telescopius: <a href="https://telescopius.com/pictures/view/199742/deep_sky/sh-2-155/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">199742/deep_sky/sh-2-155/by-drgfreeman</span></a></p><p>Image license: CC BY-NC-SA 4.0.</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://techhub.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://techhub.social/tags/sh2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sh2</span></a>-155 <a href="https://techhub.social/tags/RGBHa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RGBHa</span></a> <a href="https://techhub.social/tags/KStars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KStars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/GIMP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GIMP</span></a></p>
Julien :ve: 🔭:python:<p>SH 2-119 (from the Sharpless catalog of H II regions), also known as the Clamshell Nebula, is an emission nebula in the constellation Cygnus. It is fainter and not as frequently imaged as its western neighbour, the North America Nebula.</p><p>This image was captured over six nights between July 13 and August 1st. Two different dual narrow-band filters were used to capture the different wavelengths of the sulphur, hydrogen and oxygen emissions.</p><p>Technical details, high resolution and annotated versions available on Telescopius: <a href="https://telescopius.com/pictures/view/195532/deep_sky/open-cluster/sh-2-119/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">195532/deep_sky/open-cluster/sh-2-119/by-drgfreeman</span></a></p><p>Image license: CC-BY-NC-SA 4.0.</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://techhub.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://techhub.social/tags/sh2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sh2</span></a>-119 <a href="https://techhub.social/tags/sho" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sho</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/DarkTable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DarkTable</span></a></p>
jules_k<p>The Lagoon Nebula. A week ago I bought the Seestar S50 telescope because it looked very beginner friendly and it was my first time ever attempting deep space photography so I don’t have many clues about what it takes. For editing I was watching tutorials about Siril and how to apply Webb telescope color palette so I gave it a try. <br>These series are my very first attempts and I have much to learn, but so far I like looking at the dark sky and discover what is out there. <a href="https://mastodon.green/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://mastodon.green/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a></p>
Julien :ve: 🔭:python:<p>The Crescent Nebula (NGC6888) is a cosmic bubble about 25 light-years across, in the constellation Cygnus, blown by winds from its central massive Wolf-Rayet star (WR136).</p><p>This image was captured on July 26 &amp; 28 under quite bad sky conditions; low transparency due to smoke from wild fires in the West combined with Moon illumination.</p><p>Annotated version &amp; technical details on Telescopius: <a href="https://telescopius.com/pictures/view/195218/deep_sky/crescent-nebula/diffuse-nebula/crescent-nebula/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">195218/deep_sky/crescent-nebula/diffuse-nebula/crescent-nebula/by-drgfreeman</span></a></p><p>Image license: CC-BY-NC-SA 4.0</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astroberry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astroberry</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/darktable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>darktable</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/ngc6888" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ngc6888</span></a></p>
Julien :ve: 🔭:python:<p>The Elephant Trunk Nebula (IC 1396) in the constellation Cepheus in SHO palette.</p><p>This image was captured over three nights with an OSC (RGB) camera and two different dual narrow-band filters (Sulphur + Oxygen and Hydrogen + Oxygen emissions) allowing the SHO palette (Sulphur=Red, Hydrogen=Green and Oxygen=Blue). SHO images are usually captured with a monochrome camera and three separate narrow-band filters, one for each emission line.</p><p>Technical details, high resolution and annotated versions available on Telescopius: <a href="https://telescopius.com/pictures/view/193251/deep_sky/elephant-trunk/IC/1396/diffuse-nebula/elephant-trunk-nebula/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">193251/deep_sky/elephant-trunk/IC/1396/diffuse-nebula/elephant-trunk-nebula/by-drgfreeman</span></a></p><p>Image license: CC-BY-NC-SA 4.0.</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://techhub.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://techhub.social/tags/ic1396" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ic1396</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a></p>
Julien :ve: 🔭:python:<p>I'm quite happy how the Sii + Oiii data on the Elephant Trunk Nebula from my last two sessions turned out.</p><p>This is ~7.5h of data captured with an OSC (RGB) camera and the Askar Color Magic D2 dual narrow-band filter without any processing except for a basic histogram stretch.</p><p>Unlike most dual narrow band filters, this filter passes the Sulphur (Sii) emission instead of the usual Hydrogen emission into the red channel of the camera. The blue and green channels capture the Oxygen (Oiii) emission like typical dual narrow-band filters do.</p><p>I will combine this data with the Ha data I captured last year to make a SHO image (Sulphur=Red, Hydrogen=Green, Oxygen=Blue) image.</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://techhub.social/tags/NarrowBand" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NarrowBand</span></a></p>
Thomas Hanrath<p>My latest astrophoto: The Elephants Trunk Nebula Sh2-131 - IC1396A and neighborhood in duo narrowband with RGB Stars. Almost 7h exposure time with my Baader Travel Companion and CANON EOS R(a).<br><a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://astrodon.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://astrodon.social/tags/nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nature</span></a> <a href="https://astrodon.social/tags/clearskies" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>clearskies</span></a> <a href="https://astrodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://astrodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a></p><p>www.astrobin.com/r6zuk8/</p>
Julien :ve: 🔭:python:<p>The Pelican Nebula (IC 5070) is an emission nebula associated with the North America Nebula in the constellation Cygnus. It is separated from the North America Nebula by a foreground molecular dust cloud.</p><p>Annotated &amp; high quality versions and technical details available on Telescopius: <a href="https://telescopius.com/pictures/view/191806/deep_sky/pelican-nebula/IC/5070/bright-nebula/pelican-nebula/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">191806/deep_sky/pelican-nebula/IC/5070/bright-nebula/pelican-nebula/by-drgfreeman</span></a></p><p>The work on the Newtonian paid off and I'm happy with the results. This was the first time I tried the 150 mm f/5 Newtonian with the Starizona Nexus 0.75x coma corrector/reducer and my older ASI183MC Pro camera. The pixel scale (0.88"/px) with this setup is a good match with the scope's resolution limit and the faster focal ratio of f/3.7 with the reducer helps with the somewhat noisier camera. </p><p>Image license: CC-BY-NC-SA 4.0</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astroberry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astroberry</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a></p>
Julien :ve: 🔭:python:<p>A view of the extensive H II emission regions in the constellation Cygnus, just North of the star Sadr (γ Cygni), which forms the intersection of the asterism known as the Northern Cross.</p><p>At the bottom right is the NGC 6914 reflection nebula, blue halos created by the reflection of the light from blue giant stars on the surrounding interstellar dust.</p><p>The field of view is 3.2 x 2.1 degrees, with the celestial North to the left of the image.</p><p>High quality/resolution version &amp; technical details on Telescopius: <a href="https://telescopius.com/pictures/view/191255/deep_sky/NGC/6914/bright-nebula/north-west-of-gamma-cygni/by-drgfreeman" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">telescopius.com/pictures/view/</span><span class="invisible">191255/deep_sky/NGC/6914/bright-nebula/north-west-of-gamma-cygni/by-drgfreeman</span></a></p><p>Image license: CC-BY-NC-SA 4.0</p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astroberry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astroberry</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/DarkTable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DarkTable</span></a> <a href="https://techhub.social/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>raspberrypi</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a></p>
Julien :ve: 🔭:python:<p>Linking a post from last year with a photo taken with the exact same setup and same location. <a href="https://techhub.social/@jdlbt/110605793090878469" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">techhub.social/@jdlbt/11060579</span><span class="invisible">3090878469</span></a></p><p><a href="https://techhub.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://techhub.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://techhub.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://techhub.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deepsky</span></a> <a href="https://techhub.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://techhub.social/tags/astroberry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astroberry</span></a> <a href="https://techhub.social/tags/kstars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kstars</span></a> <a href="https://techhub.social/tags/ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ekos</span></a> <a href="https://techhub.social/tags/phd2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>phd2</span></a> <a href="https://techhub.social/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>raspberrypi</span></a> <a href="https://techhub.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a></p>
bilbo_le_hobbit :bzh:<p>Je n'avais pas fait d'astrophoto depuis ... longtemps! Je m'y suis remis la nuit dernière, profitant des conditions météo enfin idéales. J'ai pas mal pataugé avant de pouvoir prendre une série d'images de l'amas globulaire Messier 5 dans la tête du Serpent. Les logiciels d'acquisition et de traitement ont beaucoup progressé en 18 mois... Le weekend n'est pas fini, encore des nuits blanches à venir !<br><a href="https://mamot.fr/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://mamot.fr/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mamot.fr/tags/astronomie" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomie</span></a> <a href="https://mamot.fr/tags/DeepSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeepSky</span></a> <a href="https://mamot.fr/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://mamot.fr/tags/stars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stars</span></a> <a href="https://mamot.fr/tags/Ekos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ekos</span></a> <a href="https://mamot.fr/tags/Siril" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Siril</span></a> <a href="https://mamot.fr/tags/StarClusters" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StarClusters</span></a></p>
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