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Old 29-11-2022, 12:34 AM
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strongmanmike (Michael)
Highest Observatory in Oz

strongmanmike is offline
 
Join Date: May 2006
Location: Canberra
Posts: 17,694
Quote:
Originally Posted by alpal View Post
Hi Mike,
you have done well - a magnificent result for your first light picture.

I don't think anyone else here is getting such good FWHM figures?
Your frame that I checked was a Luminance frame.
I always found that the L frames were always slightly worse than any RGB frames
and that Ha frames gave the best FWHM.
e.g.
if an L frame was 3.3 arc seconds an Ha frame might be 3.0 arc seconds.
therefore your values could be a bit better with RGB or Ha frames -
maybe as low as 1.5 arc seconds?


cheers
Allan
Thanks so much for your help Allan, yes, pretty cool indeed...not to mention that this may not be as good as it gets...who knows, be great to crack 1" one night

Mike
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