When I bought my first Telescope in 2011 I also bought a BAADER O III filter(10nm) and Light Polution Filter. I had never tried out the O III filter until a few nights ago. The moon was full so I would typical avoid deep sky objects. I decide to try the O III filter because it is a narrowband filter. I decided to image the Crescent Nebula with my 8″ EdgeHD scope at F10 (2032mm FL). I had previously imaged this nebula a few weeks ago using my OPTOLONG L-eNhance…