Messier 57 – Ring Nebula

LRGB 8 x L, R, G, B x 2 min

Frames: 20 x 1 m Ha, SII, OIII
Mix R= 0.50*Ha+0.50*SII – G = 15*Ha+85*OIII – B=OIII
LRGB 8 x L, R, G, B x 2 min
Frames: 20 x 1 m Ha, SII, OIII
Mix R= 0.50*Ha+0.50*SII – G = 15*Ha+85*OIII – B=OIII