Yet another version below of M81 taken the other night (prime focus C9.25), with better gradient removal.
Tip; the background black should never be 0 in ANY of the RGB channels in Phototshop or whatever you use. See below.
RGB Info box.
Monday, March 08, 2010
M81 & M82 7th March 2010
Widefield view taken with my Takahashi. NGC 2976 & NGC 3077 are also in the frame, bottom and top right.
Yet another version below of M81 taken the other night (prime focus C9.25), with better gradient removal.
Tip; the background black should never be 0 in ANY of the RGB channels in Phototshop or whatever you use. See below.
RGB Info box.
Yet another version below of M81 taken the other night (prime focus C9.25), with better gradient removal.
Tip; the background black should never be 0 in ANY of the RGB channels in Phototshop or whatever you use. See below.
RGB Info box.
