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.

                                 2024 May 1
      [2]A colorful star forming region is shown that resembles a fish
    swimming to the right. Dark dust is apparent across the lower right,
    and a sparse starfield is visible all over the image. Please see the
                 explanation for more detailed information.

                        IC 1795: The Fishhead Nebula
     Image Credit & Copyright: [3]Roberto Colombari & [4]Mauro Narduzzi

   Explanation: To some, this nebula looks like the head of a [5]fish.
   However, [6]this colorful cosmic portrait really features [7]glowing
   gas and obscuring dust clouds in IC 1795, a star forming region in the
   northern [8]constellation Cassiopeia. The nebula's colors were created
   by adopting the [9]Hubble color palette for mapping narrowband
   emissions from oxygen, hydrogen, and sulfur atoms to blue, green and
   red colors, and further blending the data with images of the region
   recorded through broadband filters. Not far on the sky from the famous
   [10]Double Star Cluster in Perseus, IC 1795 is itself located next to
   IC 1805, the [11]Heart Nebula, as part of a [12]complex of star forming
   regions that lie at the edge of a large molecular cloud. Located just
   over 6,000 [13]light-years away, the larger star forming complex
   sprawls along the Perseus spiral arm of our [14]Milky Way Galaxy. At
   that distance, IC 1795 would [15]span about 70 light-years across.

    Open Science: [16]Browse 3,300+ codes in the Astrophysics Source Code
                                   Library
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    Authors & editors: [28]Robert Nemiroff ([29]MTU) & [30]Jerry Bonnell
                                 ([31]UMCP)
          NASA Official: Amber Straughn [32]Specific rights apply.
            [33]NASA Web Privacy, [34]Accessibility, [35]Notices;
                A service of: [36]ASD at [37]NASA / [38]GSFC,
                         [39]NASA Science Activation
                           & [40]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2405/FishheadB_Colombari_2704.jpg
   3. https://www.flickr.com/people/110872523@N07/
   4. https://www.astrobin.com/users/ToolMayNARD/
   5. https://en.wikipedia.org/wiki/Fish#/media/File:Dunkleosteus_profile.jpg
   6. https://www.fast-aio.net/fishheadhso
   7. http://www-ssg.sr.unh.edu/ism/what1.html
   8. https://en.wikipedia.org/wiki/Cassiopeia_(constellation)
   9. http://bf-astro.com/hubblep.htm
  10. https://apod.nasa.gov/apod/ap091204.html
  11. https://apod.nasa.gov/apod/ap090214.html
  12. http://www.atlasoftheuniverse.com/nebulae/ic1805.html
  13. https://spaceplace.nasa.gov/light-year/en/
  14. https://apod.nasa.gov/apod/ap080606.html
  15. https://media.istockphoto.com/id/175194979/photo/big-stretch.jpg?s=612x612&w=0&k=20&c=1DMdAkJMllfbCuwlN0OdD1vWbsz-kdD-PloadnaPDwY=
  16. https://ascl.net/code/all
  17. https://apod.nasa.gov/apod/ap240430.html
  18. https://apod.nasa.gov/apod/archivepix.html
  19. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  20. https://apod.nasa.gov/apod/lib/aptree.html
  21. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  22. https://apod.nasa.gov/apod/calendar/allyears.html
  23. https://apod.com/feed.rss
  24. https://apod.nasa.gov/apod/lib/edlinks.html
  25. https://apod.nasa.gov/apod/lib/about_apod.html
  26. https://asterisk.apod.com/discuss_apod.php?date=240501
  27. https://apod.nasa.gov/apod/ap240502.html
  28. http://www.phy.mtu.edu/faculty/Nemiroff.html
  29. http://www.phy.mtu.edu/
  30. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  31. http://www.astro.umd.edu/
  32. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  33. https://www.nasa.gov/about/highlights/HP_Privacy.html
  34. https://www.nasa.gov/general/accessibility/
  35. https://www.nasa.gov/privacy/
  36. https://astrophysics.gsfc.nasa.gov/
  37. https://www.nasa.gov/
  38. https://www.nasa.gov/centers/goddard/
  39. https://science.nasa.gov/learners
  40. http://www.mtu.edu/