 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.


 M4 Globular Star Cluster - The Golden Globular

   April 29, 2021

    JohnC_M4Glob_30minChumackHRweb (004)

   Photographer:  John Chumack
   Summary Author:  John Chumack

   Early one morning a few weeks back I was able to observe the
    globular cluster shown above in the constellation of  Scorpius.
   Designated as  M4 or NGC 6121, my name for it is the Golden
   Globular. Discovered in 1764 by  Philippe Loys de Chéseaux, M4 is
   visible through a small telescope or even binoculars (in dark skies),
   appearing as a fuzzy ball of light,  subtending an area of the sky
   about the size of the  full Moon. It’s approximately 75
    light-years across and some 7,200 light-years distant. Photo taken
   on March 7, 2021, from Dayton, Ohio.

   Photo Details: Explore Scientific 102 mm F7 telescope, FCD100 Triplet
   APO refractor scope; Bisque ME Mount; QHY183C Cooled Cmos Color Camera;
   6 x 300sec subs; 30-minute exposure total integration time. Seeing
   conditions were a a bit rough, but I did get a shot of M4 before the
   rising waning crescent Moon flooded the area with light.
     * Dayton, Ohio Coordinates:  39.7589, -84.1916

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Night Sky Links

     *  Space Weather Live
     *  Space Weather Live Forum
     *  About the Moon
     *  American Meteor Society
     *  Arbeitskreises Meteore e.V.
     *  Global City Lights
     *  Heavens Above Home Page
     *  The International Meteor Organization
     *  Lunar and Planetary Institute
     *  MoonConnection
     *  NASA Eclipse Web Page
     *  Understanding The Moon Phases

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