Hi all,
I thought of doing a HaRGB experiment on Gum 85. Clearly narrowband and RGB star sizes don't quite match, but I did not feel like doing a decon to surgically match star sizes.
Perhaps an LRGB with some Ha would be a more appropriate approach for this target.
Total acquisition is just over 50 hours, with a ratio of 4:1 (Ha:RGB).
Version 1:
https://www.astrobin.com/udkfy5/0/?nc=user
Version 2:
https://www.astrobin.com/full/udkfy5/B/?nc=user
Thank you for looking
Suavi