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Old 19-04-2021, 09:21 AM
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DiscoDuck (Paul)
Raider Nation

DiscoDuck is offline
Join Date: Apr 2014
Location: Adelaide
Posts: 593
Originally Posted by strongmanmike View Post
Are you referring to that very red kind of lip on the left edge of the inner PN in your image? If so then yes it is real, it is in my image (all be it at a coarser image scale of 1.6"/pix) from a few years back

Lovely HaOIIIOIII image BTW, your image scale is very fine indeed, what are you imaging at 0.4"/pix?

Thanks Mike. Good to know that red bit is real. Tempted to try to reduce its severity though as it is ugly!

I'm imaging at 0.65" per pixel (1200mm with a focal reduced RC8 (f8->f6)). Seems to be a sweetish spot on nights of good seeing. But oversampled on others of course. You can't have your cake and eat it ... so I'm told!
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