Messier 3 (M3, NGC 5272) is a magnitude 6.2 globular cluster in the constellation of
Canes Venatici, and is located at a distance of about 33,900 light years. It has an
apparent size of 18 arc minutes.
Date: May 15-June 3, 2011
Location: New Ringgold PA
Optics: Hyperion f/8 12.5 inch, FL 2540 mm
Mount: Paramount ME
Camera: Apogee U8300
Guiding: ST-402 on Innovations Foresight On-Axis Guider
Exposure: RGB (unbinned): R:15x7 min, G:11x5 min, B:9x8 min
Processing: Image acquisition using CCD Autopilot. Initial processing was done
using Maxim DL with subsequent processing with Photoshop.
Blue Mountain Vista Observatory New RInggold PA
M3 Globular Cluster