It took me a while to write up my Aug observation of this curious object. What I can say is the OIII is all but gone in an 18" but using the NPB filter I pick up most of the Ha/Hb glow. My...
Type: Posts; User: Marko; Keyword(s):
It took me a while to write up my Aug observation of this curious object. What I can say is the OIII is all but gone in an 18" but using the NPB filter I pick up most of the Ha/Hb glow. My...