M27

6/3/2011 from Wa'chur'ed Observatory

Imaging scope: AT111EDT w/WO Flat 4 0.8X reducer/flattener
Imaging camera: QSI583ws at -15C
Mount: Orion Atlas/EQMOD
Guide scope/camera: ST80/DSI
Exposure: 6 x 480 seconds H-a, 5 x 480 seconds O-3, 4 x 240 seconds UHC
Calibration: 32 bias frames, 20 dark frames, 20 flats
Processing: calibration and stacking in Maxim DL, Photoshop color combine, curves, Carboni tools, Noise Ninja