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.

                              2020 November 20
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                       Global Map: Mars at Opposition
      Image Credit & [3]Copyright: [4]F. Colas / [5]J.L. Dauvergne / G.
                        Dovillaire / [6]T. Legault /
   G. Blanchard / B. Gaillard / D. Baratoux / A, Klotz / S2P / IMCCE / OMP
                               / Imagine Optic

   Explanation: This may be the best global Mars map made with a telescope
   based on planet Earth. The image data were captured by a team of
   observers over six long nights at the [7]Pic du Midi mountaintop
   observatory between October 8 and November 1, when the [8]fourth rock
   from the Sun had not wandered far from its 2020 opposition and its
   biggest and brightest appearance in Earth's night sky. The large
   telescope used, 1 meter in diameter with a 17 meter focal length, was
   also used in support of NASA's Apollo lunar landing missions. After
   about 30 hours of processing, the data were combined to produced this
   remarkably sharp projected view of the martian surface extending to
   about 45 degrees northern latitude. The image data have also been
   mapped onto a [9]rotating sphere and [10]rotating stereo, views. Fans
   of Mars can easily pick out their favorite markings on the Red Planet
   [11]by eyeing a labeled version of this [12]global map of Mars.

                      Tomorrow's picture: light-weekend
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    Authors & editors: [24]Robert Nemiroff ([25]MTU) & [26]Jerry Bonnell
                                 ([27]UMCP)
          NASA Official: Phillip Newman [28]Specific rights apply.
              [29]NASA Web Privacy Policy and Important Notices
                A service of: [30]ASD at [31]NASA / [32]GSFC
                           & [33]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2011/marsglobalmap.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. https://www.iau.org/administration/membership/individual/9429/
   5. https://twitter.com/JLucDauvergne
   6. http://www.astrophoto.fr/index_fr.html
   7. https://apod.nasa.gov/apod/ap080125.html
   8. https://solarsystem.nasa.gov/planets/mars/overview/
   9. https://www.youtube.com/watch?v=In5Km9LGPE0
  10. https://www.youtube.com/watch?v=j-OwMzdXhIE
  11. https://apod.nasa.gov/apod/ap201001.html
  12. https://apod.nasa.gov/apod/image/2011/marsglobalmaplegende.jpg
  13. https://apod.nasa.gov/apod/ap201119.html
  14. https://apod.nasa.gov/apod/archivepix.html
  15. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  16. https://apod.nasa.gov/apod/lib/aptree.html
  17. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  18. https://apod.nasa.gov/apod/calendar/allyears.html
  19. https://apod.nasa.gov/apod.rss
  20. https://apod.nasa.gov/apod/lib/edlinks.html
  21. https://apod.nasa.gov/apod/lib/about_apod.html
  22. http://asterisk.apod.com/discuss_apod.php?date=201120
  23. https://apod.nasa.gov/apod/ap201121.html
  24. http://www.phy.mtu.edu/faculty/Nemiroff.html
  25. http://www.phy.mtu.edu/
  26. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  27. http://www.astro.umd.edu/
  28. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  29. https://www.nasa.gov/about/highlights/HP_Privacy.html
  30. https://astrophysics.gsfc.nasa.gov/
  31. https://www.nasa.gov/
  32. https://www.nasa.gov/centers/goddard/
  33. http://www.mtu.edu/