Thread: The Antennae
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Old 23-03-2019, 07:02 PM
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DiscoDuck (Paul)
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Quote:
Originally Posted by alpal View Post
that's a superb image.

you must have had excellent seeing conditions -
let me guess - under 2 arc seconds FWHM?
Thanks Allan.

Well, the FWHM of the final luminance stack before any postprocessing is just under 2.3". But the individual luminance frames run from 1.9" to something like 2.7" .. though most were under 2.4".
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