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Old 28-11-2022, 10:24 PM
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alpal
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Join Date: Jan 2012
Location: Melbourne
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Quote:
Originally Posted by strongmanmike View Post
Using 6nm filters, when deciding if I will bother capturing Ha for a galaxy,
I generally use 80 million light years as a practical limit. I don't have Maxim DL.

Mike

Thanks Mike,
sorry if I was a pain but I was always hoping you would obtain at some stage
FWHM values of less than 1 arc second at your new observatory
to make it the best seeing in Australia.
In Melbourne I'm lucky if I get 3 arc seconds -
many nights were 6 arc seconds.



cheers
Allan
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