M55 - Globular Cluster
in Sagittarius
LAAstro.com by Bill Patterson
Catalog:  M55

Magnitude: 6.3

Size: 19'

Constellation:  Sagittarius

Common Name or Description: 
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Date Taken:  July 18 2006                         Location:  Idyllwild, CA   
Equipment:  RCOS 12.5" telescope & SBIG STL4020 CCD camera
Exposure:    LRGB = 30/30/30/30 - all unbinned
Notes:  Note the staggered star in the upper right corner in different colors.  That's asteroid (169) Zelia caught purely by accident moving through the field - click the link for an animation spanning two hours.
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Animation of asteroid Zelia crossing the FOV
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