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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://fosstodon.org/users/AkaSci/statuses/115358753490888685">AkaSci 🛰️ (akasci@fosstodon.org)'s status on Tuesday, 28-Oct-2025 07:40:37 JST</a><a href="https://fosstodon.org/@AkaSci" title="akasci@fosstodon.org"><img src="https://gnusocial.jp/avatar/20805-48-20221219024513.webp" width="48" height="48" alt="AkaSci 🛰️" style="position: absolute; left: 0; top: 0;">AkaSci 🛰️</a><div><a href="https://fosstodon.org/@AkaSci/115247528054928784" rel="in-reply-to">in reply to</a></div></section><article><p>Comets C/2025 R2 (SWAN) and C/2025 A6 (Lemmon) will be closest to Earth around Oct 20 and will both be visible in the evening sky shortly after sunset over the next two weeks.</p><p>See graphics below for their location in the evening sky and some vital statistics.</p><p>It is best to observe them using binoculars. Also, smart phone cameras are quite good at imaging comets even when they are not visible to the naked eye.</p><p><a href="https://astro.vanbuitenen.nl/comets" rel="nofollow">https://astro.vanbuitenen.nl/comets</a><br><a href="https://theskylive.com/planetarium?objects=sun-moon-c2025r2-mercury-venus-mars-jupiter-saturn-uranus-neptune-pluto-c2025a6-c2025k1-c2025n1-240p-c2024e1-414p&amp;localdata=38.89511%7C-77.03637%7CWashington%20DC%20(US)%7CAmerica%2FNew_York%7C0&amp;obj=c2025r2&amp;h=22&amp;m=45&amp;date=2025-10-20#ra%7C16.75827716814635%7Cdec%7C-7.601527204690013%7Cfov%7C80" rel="nofollow">https://theskylive.com/planetarium?objects=sun-moon-c2025r2-mercury-venus-mars-jupiter-saturn-uranus-neptune-pluto-c2025a6-c2025k1-c2025n1-240p-c2024e1-414p&amp;localdata=38.89511%7C-77.03637%7CWashington%20DC%20(US)%7CAmerica%2FNew_York%7C0&amp;obj=c2025r2&amp;h=22&amp;m=45&amp;date=2025-10-20#ra|16.75827716814635|dec|-7.601527204690013|fov|80</a><br>🔭 📷 <br>4/n</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/5677967#notice-11399356">In conversation</a><time datetime="2025-10-28T07:40:37+09:00" title="Tuesday, 28-Oct-2025 07:40:37 JST">about 24 days ago</time> <span>from <span><a href="https://fosstodon.org/@AkaSci/115358753490888685" rel="external" title="Sent from fosstodon.org via ActivityPub">fosstodon.org</a></span></span><a href="https://fosstodon.org/@AkaSci/115358753490888685">permalink</a><h4>Attachments</h4><ol><li><article><header><div>No result found on File_thumbnail lookup.</div><h5><a href="http://statistics.It/">statistics.it - statistics リソースおよび情報</a></h5><div></div></header><div>statistics.it は、あなたがお探しの情報の全ての最新かつ最適なソースです。一般トピックからここから検索できる内容は、statistics.itが全てとなります。あなたがお探しの内容が見つかることを願っています！</div><footer></footer></article></li><li><label><a rel="external" href="https://gnusocial.jp/attachment/5390350">1. Location of comets in the evening sky
2. Light curves for the two comets
3. Parameters for the two comets and an additional two.</a></label><br><a href="https://cdn.fosstodon.org/media_attachments/files/115/358/931/675/676/018/original/4ac6ff98382a8956.png" rel="external">https://cdn.fosstodon.org/media_attachments/files/115/358/931/675/676/018/original/4ac6ff98382a8956.png</a></li><li><article><header><div>Domain not in remote thumbnail source whitelist: storage.googleapis.com</div><h5><a href="https://theskylive.com/planetarium?objects=sun-moon-c2025r2-mercury-venus-mars-jupiter-saturn-uranus-neptune-pluto-c2025a6-c2025k1-c2025n1-240p-c2024e1-414p&amp;localdata=38.89511%7C-77.03637%7CWashington%20DC%20(US)%7CAmerica%2FNew_York%7C0&amp;obj=c2025r2&amp;h=22&amp;m=45&amp;date=2025-10-20#ra">Star Maps: Comet C/2025 R2 (SWAN) | TheSkyLive</a></h5><div></div></header><div>Find Comet C/2025 R2 (SWAN) in the sky using our interactive Star Maps and Planetarium web application.</div><footer></footer></article></li></ol></footer></blockquote>

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AkaSci 🛰️ (akasci@fosstodon.org)'s status on Tuesday, 28-Oct-2025 07:40:37 JST AkaSci 🛰️
in reply to
Comets C/2025 R2 (SWAN) and C/2025 A6 (Lemmon) will be closest to Earth around Oct 20 and will both be visible in the evening sky shortly after sunset over the next two weeks.
See graphics below for their location in the evening sky and some vital statistics.
It is best to observe them using binoculars. Also, smart phone cameras are quite good at imaging comets even when they are not visible to the naked eye.
https://astro.vanbuitenen.nl/comets
https://theskylive.com/planetarium?objects=sun-moon-c2025r2-mercury-venus-mars-jupiter-saturn-uranus-neptune-pluto-c2025a6-c2025k1-c2025n1-240p-c2024e1-414p&localdata=38.89511%7C-77.03637%7CWashington%20DC%20(US)%7CAmerica%2FNew_York%7C0&obj=c2025r2&h=22&m=45&date=2025-10-20#ra|16.75827716814635|dec|-7.601527204690013|fov|80
🔭 📷
4/n
In conversationabout 24 days ago from fosstodon.orgpermalink
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1. No result found on File_thumbnail lookup.
  statistics.it - statistics リソースおよび情報
  statistics.it は、あなたがお探しの情報の全ての最新かつ最適なソースです。一般トピックからここから検索できる内容は、statistics.itが全てとなります。あなたがお探しの内容が見つかることを願っています！
2. 1. Location of comets in the evening sky 2. Light curves for the two comets 3. Parameters for the two comets and an additional two.
  https://cdn.fosstodon.org/media_attachments/files/115/358/931/675/676/018/original/4ac6ff98382a8956.png
3. Domain not in remote thumbnail source whitelist: storage.googleapis.com
  Star Maps: Comet C/2025 R2 (SWAN) | TheSkyLive
  Find Comet C/2025 R2 (SWAN) in the sky using our interactive Star Maps and Planetarium web application.

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