By Tim Lockhart
From the Magnitude 5 skies of Bowling Green KY
ABOUT THE IMAGE
DATE/TIME: The evening and early morning of August 23rd and 24th, 2011.
CAMERA: Canon XSI, 450D modified
TELESCOPE: Orion 100ED @ F/7.65
MOUNT: Celestron CG-5GT.
ISO SETTING: 800
EXPOSURES: 31
EXPOSURE LENGTH: 600sec.
TOTAL EXPOSURE LENGTH: 5hrs 10min.
SUBTRACTIONS: 10 dark frames, 10 bias frames, 20 flat frames.
CAPTURE: MaximDL
STACKING/PRE-PROCESSING: Deep Sky Stacker
PROCESSING: Photoshop CS3