A ten panels mosaic from the costellation Cepheus. Total exposure time 82h. Esposures for the indivinual channels are: - H-alpha, 154 x 1200s - O-III, 51 x 1200s - S-II, 41 x 1200s
J-P Metsävainio
A zoom in series of the cave Nebula
A ten panels mosaic from the costellation Cepheus. Total exposure time 82h. Esposures for the indivinual channels are: - H-alpha, 154 x 1200s - O-III, 51 x 1200s - S-II, 41 x 1200s
