M3 Globular Star Cluster in Canes Venatici by Robert Starzynski

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12-MAY-2010

M3 Globular Star Cluster in Canes Venatici

Image taken from Hillsborough NJ
2 hours and 6 minutes total exposure.

Orion 190mm Mak-Newtonian F5.3
151*50 second 1600iso sub exposures
Modified Canon 350 XT no filters
40dark/40flat/40bias calibration frames

other sizes: small medium large original auto

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