M103 is a loose open cluster in the constellation Cassiopeia.  Although a poor telescope object, it is easily identified in
binoculars.  This cluster has approximately 50 members and is an estimated 9 million years old.  Observation suggests
a distance of 8,000 LY and a diameter of 15 million LY.  A beautiful red giant star is obvious in the above photograph.

October 29, 2008
WO ZS 105mm f/7 Apo Refractor
Canon Digital Rebel 400D / Modified (Hap Griffin)
39 Minutes / 13x180s @ 800ASA
Manually guided on a 14" Meade LX200
Skyhawk Observatory, West Bend, WI
Rick Kazmierski

Messier 103

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