Exposure: L 7×240 Bin 1, RGB 7×120 Bin2 Telescope: 10″ RC Camera: QSI 683 Mount: AP900 Distance: 16,000 Light Years                      Magnitude: 6.7                                                 Size: 16 Arc Minutes                                      Cluster Type: Globular Class IX                Messier 12 is a globular cluster in the constellation Ophiuchus. Like all globular clusters, M12 is very old at 13 billion years. M12 contains […]