Share 'The Dumbbell Nebula Ha, Hb, OIII 16 X 220 s in each channel'
Now I know why people use SII and not Hbeta. The blue is barely there. Tonight I'm going to do SII subs and also traditional RGB subs and so I'll have three combinations of this object to view the differences.
You can share this photo in two ways…
Share this link:
Send it with your computer's email program: Email this