20 x 600s Ha 35nm 1x1
I tried the 7nm Ha filter but it was very dim.
My previous effort:- www.flickr.com/photos/mickhyde/6202014918/in/set-72157625...
20 x 600s Ha 35nm 1x1
I tried the 7nm Ha filter but it was very dim.
My previous effort:- www.flickr.com/photos/mickhyde/6202014918/in/set-72157625...