Subj : ES Picture of the Day 09  2022
To   : All
From : Dan Richter
Date : Sun Oct 09 2022 12:01:10

 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 Two Views of the Wondrous Andromeda Galaxy

   October 07, 2022

    GregP_Combine_Sky90_Hyperstar_200mm_EPOD_2

    GregP_M31_85subs_3mins_EPOD

   Photographer:  Greg Parker

   Summary Authors:  Greg Parker;  Jim Foster

   The  Andromeda Galaxy (M31) is considered the  most distant
   object that we can detect with the  unaided eye. If you live in the
   Northern Hemisphere and have never seen a galaxy, other than our
    Milky Way, you owe it to yourself to venture into the countryside
   on a clear, moonless autumn evening and look to the northeast. Between
   the stars is the  asterism of the  Square of Pegasus and the
   constellation of  Perseus, a very faint glow will appear in the
   constellation of  Andromeda. You may need to use  averted vision
   to see it. If you still can’t spot it, grab a pair of binoculars.

   Of course, don’t expect to see anything that resembles the remarkable
   images above, captured from the  New Forest Observatory.
   Nevertheless, just being able to discern this  distant smudge (some
   2.5 million light years away) is thrilling. The light we see when we
   gaze at M31 began its path to our eyes about the time that North
   America and South America were linked by the  Isthmus of Panama and
   around the time our ancestors were starting to stand upright. We can
   see it with the naked eye not only because it’s relatively close by
   (one of the Milky Way's nearest galactic neighbors), but because it’s
   huge -– 220,000 light years across, holding perhaps a trillion stars.

   Photo details:

   Top "zoomed out view" - Canon 200 mm prime lens; ASI 2600MC Pro colour
   CMOS camera.

   Bottom: “zoomed in view” - Hyperstar 4 (on a Celestron C11 telescope)
   image; ASI 2600MC Pro colour CMOS camera.

   New Forest Observatory, U.K. Coordinates:  50.819444, -1.59


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   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

https://epod.usra.edu
 
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