M3.
Single 15 second frame with dark frame subtracted. Unsharp mask,
despeckled and brightness/contrast stretch in PaintShop Pro.
Perseu
Toucam SC in long exposure mode on 8" SCT at f10. Black &
white used due to poor transparency effecting colour balance. Gain
set to 30%.
Captured
& pre-processed with K3CCDTools.
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