Astronomy Picture of the Day

   [1]Discover the cosmos! Each day a different image or photograph of our
      fascinating universe is featured, along with a brief explanation
                    written by a professional astronomer.

                               2023 January 19
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                             The Seagull Nebula
                Image Credit & [3]Copyright: [4]Carlos Taylor

   Explanation: A broad expanse of glowing gas and dust presents a
   bird-like visage to astronomers [5]from planet Earth, suggesting its
   popular moniker - The Seagull Nebula. Using narrowband image data,
   [6]this 3-panel mosaic of the cosmic bird covers a 2.5 degree swath
   across the plane of the Milky Way, near the direction of Sirius,
   [7]alpha star of the constellation Canis Major. [8]Likely part of a
   larger shell structure swept up by successive supernova explosions, the
   broad Seagull Nebula is cataloged as Sh2-296 and IC 2177. The prominent
   bluish arc below and right of center is a bow shock from runaway star
   [9]FN Canis Majoris. This complex of gas and dust clouds with other
   stars of the [10]Canis Majoris OB1 association spans over 200
   light-years at the Seagull Nebula's estimated 3,800 light-year
   distance.

                     Tomorrow's picture: pixels in space
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    Authors & editors: [22]Robert Nemiroff ([23]MTU) & [24]Jerry Bonnell
                                 ([25]UMCP)
          NASA Official: Phillip Newman [26]Specific rights apply.
              [27]NASA Web Privacy Policy and Important Notices
                A service of: [28]ASD at [29]NASA / [30]GSFC,
                         [31]NASA Science Activation
                           & [32]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2301/crtastro_0172_2194p.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. https://www.astrobin.com/users/CAPastrophotography/
   5. https://apod.nasa.gov/apod/ap090411.html
   6. https://www.astrobin.com/rp3xqj/
   7. https://apod.nasa.gov/apod/ap221218.html
   8. https://ui.adsabs.harvard.edu/abs/2019A%26A...628A..44F/abstract
   9. https://en.wikipedia.org/wiki/FN_Canis_Majoris
  10. https://ui.adsabs.harvard.edu/abs/2019A%26A...628A..44F/abstract
  11. https://apod.nasa.gov/apod/ap230118.html
  12. https://apod.nasa.gov/apod/archivepix.html
  13. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  14. https://apod.nasa.gov/apod/lib/aptree.html
  15. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  16. https://apod.nasa.gov/apod/calendar/allyears.html
  17. https://apod.nasa.gov/apod.rss
  18. https://apod.nasa.gov/apod/lib/edlinks.html
  19. https://apod.nasa.gov/apod/lib/about_apod.html
  20. http://asterisk.apod.com/discuss_apod.php?date=230119
  21. https://apod.nasa.gov/apod/ap230120.html
  22. http://www.phy.mtu.edu/faculty/Nemiroff.html
  23. http://www.phy.mtu.edu/
  24. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  25. http://www.astro.umd.edu/
  26. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  27. https://www.nasa.gov/about/highlights/HP_Privacy.html
  28. https://astrophysics.gsfc.nasa.gov/
  29. https://www.nasa.gov/
  30. https://www.nasa.gov/centers/goddard/
  31. https://science.nasa.gov/learners
  32. http://www.mtu.edu/