zirkus

Flipboard Science Desk"A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked-eye spectacle."<a href="https://flipboard.com/@AssociatedPress" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@AssociatedPress</a> reports on Comet SWAN: <a href="https://flip.it/XrOqU4" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://flip.it/XrOqU4</a><a href="https://flipboard.social/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Space</a> <a href="https://flipboard.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://flipboard.social/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> <a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a>

Chris SamuelBoo, I had been waiting for Comet C/2025 F2 (Swan) to come into the evening sky in late April; on 1st May it was going to be near the Pleiades and I thought it could make a nice picture.But sadly from the reports on the comets-ml mailing list over the last few days it appears this is very its last time around the sun (period ~30k-80k years); it looks very much like its nucleus has disintegrated. 😞 <a href="https://mastodon.acm.org/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://mastodon.acm.org/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a>

Khurram Wadee ✅<a href="https://mastodon.org.uk/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> C/2025 <a href="https://mastodon.org.uk/tags/F2SWAN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#F2SWAN</a> <a href="https://mastodon.org.uk/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://mastodon.org.uk/tags/Picture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Picture</a> of the Day<a href="https://apod.nasa.gov/apod/ap250418.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250418.html</a><a href="https://mastodon.org.uk/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

Astronomy Picture of the DayAPOD from 2025-04-18<a href="https://mastodon.bot/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> C/2025 F2 SWANComet C/2025 F2 SWAN, discovered by citizen scientists using SOHO's SWAN camera, shows a greenish coma and faint ion tail in an image from California. Currently visible with binoculars, it will reach perihelion on May 1 near <a href="https://mastodon.bot/tags/Mercury" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Mercury</a>'s orbit.HD image at <a href="https://apod.nasa.gov/apod/ap250418.html#space" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap250418.html#space</a> <a href="https://mastodon.bot/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://mastodon.bot/tags/planet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#planet</a>

Alexia ΘΔ@SlooshOfficial@app.wafrn.net asked <blockquote>do you have a fursona i could draw im bored</blockquote> yes actually!! check <a href="https://art.cyrneko.eu" rel="nofollow noopener noreferrer" target="_blank">https://art.cyrneko.eu</a> :3 To properly see this ask, <a href="https://app.wafrn.net/fediverse/post/81b1df6d-4750-43d8-852a-f9fb45697af2" rel="nofollow noopener noreferrer" target="_blank">check the post in the original instance</a> <a class="hashtag" href="https://app.wafrn.net/dashboard/search/art" rel="nofollow noopener noreferrer" target="_blank">#art</a> <a class="hashtag" href="https://app.wafrn.net/dashboard/search/comet" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a class="hashtag" href="https://app.wafrn.net/dashboard/search/alexia%20starling" rel="nofollow noopener noreferrer" target="_blank">#alexia-starling</a>

Marcin „czach” TrzaskaTrochę nieprzytomny, po dwóch kawach i kakao, wrzuciłem rawy do Sirila, GraXperta a na koniec do PixInsight i coś tam wyszło. Muszę iść się przewietrzyć na 🚴‍♂️<a href="https://pol.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotography</a> <a href="https://pol.social/tags/astrofotografia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrofotografia</a> <a href="https://pol.social/tags/astrofotografie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrofotografie</a> <a href="https://pol.social/tags/astronomia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomia</a> <a href="https://pol.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://pol.social/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://pol.social/tags/c2025f2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#c2025f2</a>

Marcin „czach” TrzaskaTrochę zarwana noc, ale kometa C/2025 F2 (SWAN) upolowana (jeszcze się „smaży“). Obróbka - tylko Lightroom na tablecie.<a href="https://en.wikipedia.org/wiki/C/2025_F2_(SWAN)" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://en.wikipedia.org/wiki/C/2025_F2_(SWAN)</a><a href="https://pol.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotography</a> <a href="https://pol.social/tags/astrofotografia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrofotografia</a> <a href="https://pol.social/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://pol.social/tags/c2025f2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#c2025f2</a>

Random Astronomy Pictures OTDAPOD from 2023-01-09Tails of <a href="https://mastodon.bot/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> ZTFComet ZTF, discovered last year, is brightening and may soon be visible without binoculars. Its closest approach to the Sun could reveal its three blue ion tails and green glowing coma to northern skywatchers with clear skies. However, comet brightness predictions are uncertain. After nearing Earth in early February, it's expected to fade.HD image at <a href="https://apod.nasa.gov/apod/ap230109.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap230109.html</a>

TomKrajci 🇺🇦 🏳️‍🌈 🏳️‍⚧️New comet discovered that is already an easy object in amateur telescopes, and should brighten for the next 3 - 4 weeks. Get your binoculars and cameras ready.C/2025 F2 (SWAN)Currently in the morning sky and will transition to the evening sky in late April. (See screenshots for more info and finder charts.)<a href="https://skyandtelescope.org/astronomy-news/new-comet-swan-now-visible-in-small-scopes/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://skyandtelescope.org/astronomy-news/new-comet-swan-now-visible-in-small-scopes/</a><a href="https://universeodon.com/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> <a href="https://universeodon.com/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://universeodon.com/tags/Astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astrophotography</a> <a href="https://universeodon.com/tags/Binoculars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Binoculars</a> <a href="https://universeodon.com/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Telescope</a> <a href="https://universeodon.com/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photography</a>

uxor :verified:<a href="https://mastodon.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> newly discovered <a href="https://mastodon.xyz/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://mastodon.xyz/tags/C2025F2SWAN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#C2025F2SWAN</a> is now visible in the morning sky around alpha Pegasus moving slowly to M31. It is currently brightening at magnitude 8 and could reach 6th or 5th magnitude !!!<a href="https://mastodon.xyz/tags/astronomie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomie</a>

Daniel FischerThe visibility conditions for comet C/2025 F2 (SWAN) through perihelion and maximum brightness for 51.5° North - see <a href="https://www.facebook.com/dan.fischer.393/posts/pfbid023poyxvFZYhxPsT18sxHZejFPYYGiXdeApa3dj78oPqmnw8QRLH22dVFCABnLk93Zl" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.facebook.com/dan.fischer.393/posts/pfbid023poyxvFZYhxPsT18sxHZejFPYYGiXdeApa3dj78oPqmnw8QRLH22dVFCABnLk93Zl</a> for explanations of the table! In a nutshell, in Central Europe the comet is higher at a given degree of sky darkness in the morning until about 23 April, then in the evening. So expect it at 3 to 5 mag. low at dusk: if the <a href="https://scicomm.xyz/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> makes it and keeps its fine tail this *may* become a fine nightscape photo opp - but not a significant show for the naked eye.

Daniel MacPhee 🔬🧬🧫🇨🇦New comet in the sky <a href="https://mas.to/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://mas.to/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> <a href="https://mas.to/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a> <a href="https://www.cbc.ca/news/science/comet-swan25f-1.7503849" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.cbc.ca/news/science/comet-swan25f-1.7503849</a>

Edwin G. :mapleleafroundel:A comet 💫 has been discovered, temporarily named SWAN25F and it is visible to the east before sunrise. <a href="https://www.cbc.ca/news/science/comet-swan25f-1.7503849" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.cbc.ca/news/science/comet-swan25f-1.7503849</a> - - - Une comète 💫 a été découverte, nommée temporairement SWAN25F et elle est visible à l’est avant l’aube.<a href="https://blogs.futura-sciences.com/feldmann/2025/04/09/swan25f-une-comete-pour-les-leve-tot/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://blogs.futura-sciences.com/feldmann/2025/04/09/swan25f-une-comete-pour-les-leve-tot/</a><a href="https://mstdn.moimeme.ca/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> <a href="https://mstdn.moimeme.ca/tags/Com%C3%A8te" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comète</a> <a href="https://mstdn.moimeme.ca/tags/SWAN25F" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SWAN25F</a>

CBC Technology ScienceThere's a new comet in the sky, and it's already visible through binoculars One of the great things about astronomy is that it’s always full of surprises, especially when it comes to comets — you just can’t predict new ones. But there’s a lot of buzz around a recently discovered comet that has quickly brightened. <a href="https://mastodon.hongkongers.net/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://mastodon.hongkongers.net/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://mastodon.hongkongers.net/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#space</a> <a href="https://mastodon.hongkongers.net/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://mastodon.hongkongers.net/tags/News" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#News</a> <a href="https://www.cbc.ca/news/science/comet-swan25f-1.7503849?cmp=rss" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.cbc.ca/news/science/comet-swan25f-1.7503849?cmp=rss</a>

CBC Top StoriesThere's a new comet in the sky, and it's already visible through binoculars One of the great things about astronomy is that it’s always full of surprises, especially when it comes to comets — you just can’t predict new ones. But there’s a lot of buzz around a recently discovered comet that has quickly brightened. <a href="https://mastodon.hongkongers.net/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://mastodon.hongkongers.net/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://mastodon.hongkongers.net/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#space</a> <a href="https://mastodon.hongkongers.net/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://mastodon.hongkongers.net/tags/News" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#News</a> <a href="https://www.cbc.ca/news/science/comet-swan25f-1.7503849?cmp=rss" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.cbc.ca/news/science/comet-swan25f-1.7503849?cmp=rss</a>

CosmicRamiA new comet has appeared - Comet SWAN25F.It's still in the process of being catalogued. Discovered by Aussie amateur astronomer Michael Mattiazzo.It is brightening to binoc level observability. Its tail is long, about 2 degreesThis image was taken by Michael Jäger and Gerald Rhemann.<a href="https://aus.social/tags/Comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Comet</a> <a href="https://aus.social/tags/Astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astrophotography</a> <a href="https://aus.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://aus.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astrodon</a>

Jorma RyskeHere <a href="https://astrodon.social/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://astrodon.social/tags/SWAN25F" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SWAN25F</a> images taken today early morning 8th April from my remote observatory at Spain. SWAN25F is quite low in the morning sky near Pegasus square upper area between stars Alpheratz and Scheat. It's magnitude is about 9, tail visible almost one degree toward PA 300deg and coma diameter is 5'. Animation 18x30sec in the link below shows also moving tail details. More info here <a href="https://www.taivaanvahti.fi/observations/show/133765" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.taivaanvahti.fi/observations/show/133765</a>

Dr. John Barentine FRASLooks like new <a href="https://astrodon.social/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a> <a href="https://astrodon.social/tags/SWAN25F" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SWAN25F</a> is not going to get any above the E horizon before dawn. This is a projected track for the next month using Stellarium & orbital elements from Project Pluto's "Pseudo-MPEC" (<a href="https://www.projectpluto.com/swan.htm" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.projectpluto.com/swan.htm</a>) View is at start of astronomical twilight.<a href="https://astrodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a>

Westport ObservatoryA new <a href="https://vmst.io/tags/comet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#comet</a>, <a href="https://vmst.io/tags/SWAN25F" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SWAN25F</a> is brightening in the pre-dawn sky. Catch it moving through constellations such as Pegasus and Andromeda. As of early April, Comet SWAN25F has brightened to approximately magnitude 8.0, making it observable with binoculars with great conditions. <a href="https://ow.ly/BBPH50VvPTT" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://ow.ly/BBPH50VvPTT</a>

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