pipnina Posted May 22 Share Posted May 22 I finally caught a gap in the clouds, but due to equipment malfunction and the brevity of the cloudless window, I only caught one un-polluted 120-second exposure with my new 3nm chroma Ha filter. I chose the region around Sadr because I have long wished to see it and was curious as to the level of detail it contained, as well as because I already knew it to be a bright object. I am not dsappointed and when the opportunity arises I intend to complete this with more data! Maybe even give it a go in SHO once my auto focuser arrives (these chroma filters are very parfocal within the LRGB set, but the narrowbands seem to shift a fair deal.) I also created a synthetic colour version All in all for 120 seconds with an f4r reflector under bortle 5/6 skies this is impressive beyond words. I got a test using my lum filter in as well at the same exposure time, and there was almost no nebula to see. 13 Link to comment Share on other sites More sharing options...
old_eyes Posted May 23 Share Posted May 23 A nice start! A good Ha filter is a game changer. I don’t think we do enough mono Ha. 1 Link to comment Share on other sites More sharing options...
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