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  3. Comet C/2025 R3 (PanSTARRS) is now putting on a show, visible low in the predawn sky, with binoculars or telescope.

Comet C/2025 R3 (PanSTARRS) is now putting on a show, visible low in the predawn sky, with binoculars or telescope.

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  • akasci@fosstodon.orgA akasci@fosstodon.org

    Comet C/2025 R3 (PanSTARRS) with its long wispy tail looming over the misty mountains of Nagano Prefecture, Hiratani Village, Japan.

    Date: April 13, 2026
    Camera: Canon EOS 6D Mark II
    Lens: Samyang 135mm f/2.0
    Setting : ISO400
    60sx40shots

    https://www.instagram.com/zoe_zoe0718
    Credit: Zoe
    8/n

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    akasci@fosstodon.orgA This user is from outside of this forum
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    akasci@fosstodon.org
    wrote last edited by
    #14

    This beautiful image of Comet C/2025 R3 (PanSTARRS) was taken by astrophotographer Marina Prol, early morning on April 14th, from Ayagaures viewpoint in the southern part of Gran Canaria.

    https://spaceweathergallery2.com/indiv_upload.php?upload_id=232320
    https://www.marinaprol.com/astroandnightscapes
    9/n

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    • akasci@fosstodon.orgA akasci@fosstodon.org

      This beautiful image of Comet C/2025 R3 (PanSTARRS) was taken by astrophotographer Marina Prol, early morning on April 14th, from Ayagaures viewpoint in the southern part of Gran Canaria.

      https://spaceweathergallery2.com/indiv_upload.php?upload_id=232320
      https://www.marinaprol.com/astroandnightscapes
      9/n

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      akasci@fosstodon.orgA This user is from outside of this forum
      akasci@fosstodon.orgA This user is from outside of this forum
      akasci@fosstodon.org
      wrote last edited by
      #15

      Post #10 got disconnected from the thread. This is one way to reconnect it and continue the thread.

      https://fosstodon.org/@AkaSci/116421250979446601
      10/n

      akasci@fosstodon.orgA 1 Reply Last reply
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      • akasci@fosstodon.orgA akasci@fosstodon.org

        Post #10 got disconnected from the thread. This is one way to reconnect it and continue the thread.

        https://fosstodon.org/@AkaSci/116421250979446601
        10/n

        akasci@fosstodon.orgA This user is from outside of this forum
        akasci@fosstodon.orgA This user is from outside of this forum
        akasci@fosstodon.org
        wrote last edited by
        #16

        Comet C/2025 R3 beautifully captured by astrophotographer Luc Perrot on April 16 from a volcanic peak overlooking France's Reunion Island, located in the Southern hemisphere, east of Madagascar.

        Featured on NASA APOD on April 18.

        https://apod.nasa.gov/apod/ap260418.html
        Check out Luc's other works at https://www.lucperrot.fr/
        11/n

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        • akasci@fosstodon.orgA akasci@fosstodon.org

          Comet C/2025 R3 beautifully captured by astrophotographer Luc Perrot on April 16 from a volcanic peak overlooking France's Reunion Island, located in the Southern hemisphere, east of Madagascar.

          Featured on NASA APOD on April 18.

          https://apod.nasa.gov/apod/ap260418.html
          Check out Luc's other works at https://www.lucperrot.fr/
          11/n

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          akasci@fosstodon.orgA This user is from outside of this forum
          akasci@fosstodon.orgA This user is from outside of this forum
          akasci@fosstodon.org
          wrote last edited by
          #17

          Looks like Comet C/2025 R3 (PanSTARRS) survived its trip around the Sun and is now on its return trip out of the Solar System.

          The comet makes its closest approach to Earth today.

          These are images captured by the ESA/NASA Solar and Heliospheric Observatory (SOHO) LASCO C3 instrument.

          LASCO = Large Angle and Spectrometric COronagraph.

          Animation at https://soho.nascom.nasa.gov/data/realtime/mpeg/
          12/n

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          akasci@fosstodon.orgA ewen@social.ewenbell.comE adamshostack@infosec.exchangeA 4 Replies Last reply
          0
          • akasci@fosstodon.orgA akasci@fosstodon.org

            Looks like Comet C/2025 R3 (PanSTARRS) survived its trip around the Sun and is now on its return trip out of the Solar System.

            The comet makes its closest approach to Earth today.

            These are images captured by the ESA/NASA Solar and Heliospheric Observatory (SOHO) LASCO C3 instrument.

            LASCO = Large Angle and Spectrometric COronagraph.

            Animation at https://soho.nascom.nasa.gov/data/realtime/mpeg/
            12/n

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            akasci@fosstodon.orgA This user is from outside of this forum
            akasci@fosstodon.orgA This user is from outside of this forum
            akasci@fosstodon.org
            wrote last edited by
            #18

            Video from ESA/NASA Solar and Heliospheric Observatory (SOHO) LASCO C3 with comet C/2025 R3 (PanSTARRS) in its field of view, uploaded to YouTube by Bum-Suk Yeom (염범석).

            https://www.youtube.com/watch?v=LVGQv62DvnQ
            13/n

            1 Reply Last reply
            0
            • akasci@fosstodon.orgA akasci@fosstodon.org

              Looks like Comet C/2025 R3 (PanSTARRS) survived its trip around the Sun and is now on its return trip out of the Solar System.

              The comet makes its closest approach to Earth today.

              These are images captured by the ESA/NASA Solar and Heliospheric Observatory (SOHO) LASCO C3 instrument.

              LASCO = Large Angle and Spectrometric COronagraph.

              Animation at https://soho.nascom.nasa.gov/data/realtime/mpeg/
              12/n

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              ewen@social.ewenbell.comE This user is from outside of this forum
              ewen@social.ewenbell.comE This user is from outside of this forum
              ewen@social.ewenbell.com
              wrote last edited by
              #19
              @AkaSci

              How cool are those images though! It's like watching a solar system printed onto a CDrom 🙂
              1 Reply Last reply
              0
              • akasci@fosstodon.orgA akasci@fosstodon.org

                Looks like Comet C/2025 R3 (PanSTARRS) survived its trip around the Sun and is now on its return trip out of the Solar System.

                The comet makes its closest approach to Earth today.

                These are images captured by the ESA/NASA Solar and Heliospheric Observatory (SOHO) LASCO C3 instrument.

                LASCO = Large Angle and Spectrometric COronagraph.

                Animation at https://soho.nascom.nasa.gov/data/realtime/mpeg/
                12/n

                Link Preview Image
                akasci@fosstodon.orgA This user is from outside of this forum
                akasci@fosstodon.orgA This user is from outside of this forum
                akasci@fosstodon.org
                wrote last edited by
                #20

                The ESA/NASA Solar and Heliospheric Observatory (SOHO), launched on Dec. 2, 1995, has been studying the Sun for over 30 years, from its perch in a Halo orbit around the Sun-Earth Lagrange point L1.

                With its 12 instruments, SOHO allows scientists to study the Sun’s internal structure and dynamics, the chromosphere, the corona, and solar particles. It has discovered over 5,000 comets.

                https://science.nasa.gov/mission/soho/
                https://en.wikipedia.org/wiki/Solar_and_Heliospheric_Observatory
                13/n

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                • akasci@fosstodon.orgA akasci@fosstodon.org

                  Looks like Comet C/2025 R3 (PanSTARRS) survived its trip around the Sun and is now on its return trip out of the Solar System.

                  The comet makes its closest approach to Earth today.

                  These are images captured by the ESA/NASA Solar and Heliospheric Observatory (SOHO) LASCO C3 instrument.

                  LASCO = Large Angle and Spectrometric COronagraph.

                  Animation at https://soho.nascom.nasa.gov/data/realtime/mpeg/
                  12/n

                  Link Preview Image
                  adamshostack@infosec.exchangeA This user is from outside of this forum
                  adamshostack@infosec.exchangeA This user is from outside of this forum
                  adamshostack@infosec.exchange
                  wrote last edited by
                  #21

                  @AkaSci I’ve been busy, hadn’t tracked it, but this looks like decent info on how to try to see it: https://starwalk.space/en/news/comet-c2025-r3-panstarrs

                  1 Reply Last reply
                  0
                  • akasci@fosstodon.orgA akasci@fosstodon.org

                    The ESA/NASA Solar and Heliospheric Observatory (SOHO), launched on Dec. 2, 1995, has been studying the Sun for over 30 years, from its perch in a Halo orbit around the Sun-Earth Lagrange point L1.

                    With its 12 instruments, SOHO allows scientists to study the Sun’s internal structure and dynamics, the chromosphere, the corona, and solar particles. It has discovered over 5,000 comets.

                    https://science.nasa.gov/mission/soho/
                    https://en.wikipedia.org/wiki/Solar_and_Heliospheric_Observatory
                    13/n

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                    akasci@fosstodon.orgA This user is from outside of this forum
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                    akasci@fosstodon.org
                    wrote last edited by
                    #22

                    The horror! The horror!

                    How billionaires, one in particular, are destroying the night sky and astronomy.

                    This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                    This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                    😡 🛰️
                    https://apod.nasa.gov/apod/ap260427.html
                    Image Credit & Copyright: Uli Fehr
                    14/n

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                    kevinrns@mstdn.socialK huntingdon@mstdn.socialH Z jigmedatse@social.jigmedatse.comJ kigelia@mastodon.onlineK 8 Replies Last reply
                    1
                    0
                    • akasci@fosstodon.orgA akasci@fosstodon.org

                      The horror! The horror!

                      How billionaires, one in particular, are destroying the night sky and astronomy.

                      This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                      This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                      😡 🛰️
                      https://apod.nasa.gov/apod/ap260427.html
                      Image Credit & Copyright: Uli Fehr
                      14/n

                      Link Preview Image
                      kevinrns@mstdn.socialK This user is from outside of this forum
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                      kevinrns@mstdn.social
                      wrote last edited by
                      #23

                      @AkaSci

                      Stop Prison Earth.

                      1 Reply Last reply
                      0
                      • akasci@fosstodon.orgA akasci@fosstodon.org

                        The horror! The horror!

                        How billionaires, one in particular, are destroying the night sky and astronomy.

                        This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                        This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                        😡 🛰️
                        https://apod.nasa.gov/apod/ap260427.html
                        Image Credit & Copyright: Uli Fehr
                        14/n

                        Link Preview Image
                        huntingdon@mstdn.socialH This user is from outside of this forum
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                        huntingdon@mstdn.social
                        wrote last edited by
                        #24

                        @AkaSci

                        The Tholian web. If only it were Elmo caught in interdimensional space, we'd all breathe easier.

                        1 Reply Last reply
                        0
                        • akasci@fosstodon.orgA akasci@fosstodon.org

                          The horror! The horror!

                          How billionaires, one in particular, are destroying the night sky and astronomy.

                          This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                          This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                          😡 🛰️
                          https://apod.nasa.gov/apod/ap260427.html
                          Image Credit & Copyright: Uli Fehr
                          14/n

                          Link Preview Image
                          Z This user is from outside of this forum
                          Z This user is from outside of this forum
                          zieglarnatta@mastodon.social
                          wrote last edited by
                          #25

                          Right now, starlink has the most, but Leo is catching up. Imagine the scene where Wally & Eve punching through the dead satellite field with their rocket? We're already there. 🤬😤😡
                          https://satellitemap.space/

                          1 Reply Last reply
                          0
                          • akasci@fosstodon.orgA akasci@fosstodon.org

                            The horror! The horror!

                            How billionaires, one in particular, are destroying the night sky and astronomy.

                            This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                            This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                            😡 🛰️
                            https://apod.nasa.gov/apod/ap260427.html
                            Image Credit & Copyright: Uli Fehr
                            14/n

                            Link Preview Image
                            jigmedatse@social.jigmedatse.comJ This user is from outside of this forum
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                            jigmedatse@social.jigmedatse.com
                            wrote last edited by
                            #26

                            @AkaSci Impressive, and unwelcome...

                            1 Reply Last reply
                            0
                            • akasci@fosstodon.orgA akasci@fosstodon.org

                              The horror! The horror!

                              How billionaires, one in particular, are destroying the night sky and astronomy.

                              This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                              This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                              😡 🛰️
                              https://apod.nasa.gov/apod/ap260427.html
                              Image Credit & Copyright: Uli Fehr
                              14/n

                              Link Preview Image
                              kigelia@mastodon.onlineK This user is from outside of this forum
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                              kigelia@mastodon.online
                              wrote last edited by
                              #27

                              @AkaSci that is a great and saddening picture.

                              I love seeing people’s long exposure pictures of the night sky. Seems like those sort of images are going to become a thing of the past.

                              Although I am sure some AI company will offer a tool to strip the satellite tracks away. Thus annoying me a little bit more.

                              1 Reply Last reply
                              0
                              • akasci@fosstodon.orgA akasci@fosstodon.org

                                The horror! The horror!

                                How billionaires, one in particular, are destroying the night sky and astronomy.

                                This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                                This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                                😡 🛰️
                                https://apod.nasa.gov/apod/ap260427.html
                                Image Credit & Copyright: Uli Fehr
                                14/n

                                Link Preview Image
                                kassander@norden.socialK This user is from outside of this forum
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                                kassander@norden.social
                                wrote last edited by
                                #28

                                @AkaSci They could just turn off these lights!? 🤨

                                saskboy@mastodon.ccS 1 Reply Last reply
                                0
                                • kassander@norden.socialK kassander@norden.social

                                  @AkaSci They could just turn off these lights!? 🤨

                                  saskboy@mastodon.ccS This user is from outside of this forum
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                                  saskboy@mastodon.cc
                                  wrote last edited by
                                  #29

                                  @kassander @AkaSci it's reflected sunlight.

                                  1 Reply Last reply
                                  0
                                  • akasci@fosstodon.orgA akasci@fosstodon.org

                                    The horror! The horror!

                                    How billionaires, one in particular, are destroying the night sky and astronomy.

                                    This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                                    This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                                    😡 🛰️
                                    https://apod.nasa.gov/apod/ap260427.html
                                    Image Credit & Copyright: Uli Fehr
                                    14/n

                                    Link Preview Image
                                    zenie@piaille.frZ This user is from outside of this forum
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                                    zenie@piaille.fr
                                    wrote last edited by
                                    #30

                                    @AkaSci I have recently moved to where I can see the night sky. The first thing I noticed was the frequency of satellites. It is disturbing.

                                    Most people in the world cannot see the night sky.

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                                    • akasci@fosstodon.orgA akasci@fosstodon.org

                                      The horror! The horror!

                                      How billionaires, one in particular, are destroying the night sky and astronomy.

                                      This is a pic of Comet C/2025 R3 (PanSTARRS), trapped in a celestial cage of light streaks formed by LEO satellites racing across the sky in this 10-minute exposure image.

                                      This is with ~10,000 orbiting satellites. Now, imagine a million of them, each with a solar array ~10x larger.
                                      😡 🛰️
                                      https://apod.nasa.gov/apod/ap260427.html
                                      Image Credit & Copyright: Uli Fehr
                                      14/n

                                      Link Preview Image
                                      akasci@fosstodon.orgA This user is from outside of this forum
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                                      akasci@fosstodon.org
                                      wrote last edited by
                                      #31

                                      As Comet C/2025 R3 (PanSTARRS) heads out of the inner Solar System, it is putting on quite a show for enthusiasts and photographers.

                                      This image was captured by astrophotographer Luc Perrot a few days ago from France's Reunion Island in the southern Indian Ocean, east of Madagascar.

                                      The short whitish dust tail can be seen pointing up in the image while the long, wavy and bluish ion tail trails off toward the upper left.

                                      The Orion nebula shines on the upper right.

                                      https://apod.nasa.gov/apod/ap260510.html
                                      15/n

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                                      akasci@fosstodon.orgA cosmos4u@scicomm.xyzC 2 Replies Last reply
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                                      • akasci@fosstodon.orgA akasci@fosstodon.org

                                        As Comet C/2025 R3 (PanSTARRS) heads out of the inner Solar System, it is putting on quite a show for enthusiasts and photographers.

                                        This image was captured by astrophotographer Luc Perrot a few days ago from France's Reunion Island in the southern Indian Ocean, east of Madagascar.

                                        The short whitish dust tail can be seen pointing up in the image while the long, wavy and bluish ion tail trails off toward the upper left.

                                        The Orion nebula shines on the upper right.

                                        https://apod.nasa.gov/apod/ap260510.html
                                        15/n

                                        Link Preview Image
                                        akasci@fosstodon.orgA This user is from outside of this forum
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                                        akasci@fosstodon.org
                                        wrote last edited by
                                        #32

                                        Here is another stunning image of Comet C/2025 R3 (PanSTARRS) taken by astrophotographer Luc Perrot at the same time as the previous one but with a wide-angle 50mm lens.

                                        The image lies in and around the Orion constellation. The red Barnard's Loop arches above the comet and encloses two distinct Nebulae - the Orion Nebula on the left and the Flame Nebula on the right.

                                        A tiny dark Horsehead Nebula can be seen in the red area to the left of the Flame Nebula.

                                        https://www.instagram.com/p/DYHLsidjXtT/?img_index=1
                                        16/n

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                                        akasci@fosstodon.orgA chriscorrigan@cosocial.caC 2 Replies Last reply
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                                        • akasci@fosstodon.orgA akasci@fosstodon.org

                                          Here is another stunning image of Comet C/2025 R3 (PanSTARRS) taken by astrophotographer Luc Perrot at the same time as the previous one but with a wide-angle 50mm lens.

                                          The image lies in and around the Orion constellation. The red Barnard's Loop arches above the comet and encloses two distinct Nebulae - the Orion Nebula on the left and the Flame Nebula on the right.

                                          A tiny dark Horsehead Nebula can be seen in the red area to the left of the Flame Nebula.

                                          https://www.instagram.com/p/DYHLsidjXtT/?img_index=1
                                          16/n

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                                          akasci@fosstodon.orgA This user is from outside of this forum
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                                          akasci@fosstodon.org
                                          wrote last edited by
                                          #33

                                          Here is an annotated version of the previous image of the evening sky by Luc Perrot.

                                          Comet C/2025 R3 (PanSTARRS) is now best seen from the Southern hemisphere.

                                          https://en.wikipedia.org/wiki/Orion_(constellation)
                                          https://en.wikipedia.org/wiki/Orion_Nebula
                                          https://en.wikipedia.org/wiki/Flame_Nebula
                                          https://en.wikipedia.org/wiki/Horsehead_Nebula
                                          https://en.wikipedia.org/wiki/Barnard%27s_Loop
                                          https://en.wikipedia.org/wiki/C/2025_R3_(PanSTARRS)
                                          17/n

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