Starship Asterisk*

https://www.flickr.com/photos/101872383 ... 735794696/

NGC 281 HaRGB total exposure 10 hours with a 90 mm refractor

NGC281-HaRGB_v5 by Gianluca Rossi, on Flickr

NCG 281 The Pacman nebula in HaRGB. Total exposure Ha 5.5 hours, RGB 1.5 hours per channel. Apo refractor 90 mm f/6 Atik 383L+

NGC 281, the pacman nebula.

Author: Gianluca Rossi

higher resolution images can be found at:

https://www.flickr.com/photos/101872383 ... ed-public/

Crescent nebula combination of narrowband and broadband data for 22 hours total exposure