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Why halos on bright stars with green and OIII only?
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16-08-2018, 06:02 PM
Slawomir
(Suavi)
Registered User
Join Date: Sep 2014
Location: North Queensland
Posts: 3,240
Images would certainly help in identifying the cause.
Towards the end of
this
short review there is a comparison of halos around a bright star from a 12nm OIII and 3nm OIII.
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