Messier 103   HOME INDEX BACK NEXT
 

Open Cluster in Cassiopeia 

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This is one of two Messier objects in Cassiopeia, along with M52. Messier 103 is a small, pretty cluster that has a distinctive arrow-head shape. It is easy to find just about 1 degree northwest of delta Cassiopeia, the star that forms the first bend in Cassiopeia's "W" shape.

Magnitude 7.0
Apparent Size 6'
Distance (light yrs) 8,100
Right Ascension 1:33.2
Declination +60 42

Image details:  Exposure times of 45 minutes luminance, and 12 minutes each of red, green, and blue, taken with an SBIG ST-8300M imager and a 14" Meade LX850 telescope at f/6.

August 2014