Hercules - M13 Globular Cluster
Last night, there was a nice cloud break right between 1:15am and 2:15am. I took the opportunity to gather light from M13, one of the most beautiful and wonderful clusters in the Northern hemisphere.
Location: Portland, OR (Downtown)
External Temp: 40 F
Camera Chip Temp: 46F
Mount: HEQ5 Pro
Main Scope: Mak 150 FL=1800
Main Camera: Canon 40DH
Guiding Scope: ST80
Guiding Software = PHD
26 subs x 2 min. = 52 min.
40 flats, 30 darks, and 30 bias
Software: Excalibrator, Elbrus, Aladin, Photoshop, Carboni, GradientXTerminator
M13 was on the East side about 30 degrees when I start to take images and there was about 1/4 Moon on the West side.