M5: Globular Cluster in Serpens



Object Data

Object type: Globular Cluster
Magnitude: 5.9
Constellation: Serpens
Distance: 24 thousand light years

M5 contains over 100 variable stars, 97 of which are of the RR Lyrae type.  
This image shows a tiny galaxy, a diffuce reddish object  near the top under the letter "b" in Globular.  This is PGC54583, a spiral galaxy located 790 million light years distant.

Exposure Data

Date: 02/26/22
Location: Little Blair Valley, Anza Borrego Desert, CA
Telescope: DSI RC10c; fl 1867mm at f/7.3
Camera: FLI 6303e with Astrodon LRGB filters
Mount: AP1100 GTO3
Exposure time: 9 x 5 min of Lum, 7 x 5 min each RGB
Exposure time total: 2.5 hrs

Cropped. FOV =  35 x 31 arcmin,  Image Scale = 0.99 "/pixel



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