Thank you for your patience while we retrieve your images.
Uploaded 20-Jul-10
Taken 20-Jul-10
Visitors 96

14 of 92 photos
Photo Info

Dimensions900 x 609
Original file size213 KB
Image typeJPEG
Color spaceUncalibrated
Date modified20-Jul-10 10:39


More stacking-and-processing practice. This time, M27 the Dumbbell Nebula gave up its photons for my benefit.

Telescope: Meade 14" SCT w/Hyperstar operating at f/2
Camera: QSI colour CCD imager
Exposure" 20x30 second lights, 10x30 second darks, 10 flats.
Processing: Deep Sky Stacker, Irfanview, Photoshop. Contrast stretch in Curves and Levels, colour balance, unsharp masking, crop..