Object: IC 4756
Type: Open cluster
Instrument: 6″ F/5 dobsonian reflector
Sketch: Pencil on paper and then inverted after scanning into the computer.
This is a sketch of open cluster IC 4756 in Serpens made on September 16, 2012 with a 6″ F/5 dobsonian reflector. Very large cluster of stars near the pretty double Theta Serpentis. Some 30 – 50 stars were counted in the cluster which appears to have several concentrations of stars separated from one another by voids. the cluster fills the field at 75X.
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This sketch has a peaceful appeal.