#M31 in H-alpha

5 messages · Page 1 of 1 (latest)

shut girder
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Andromeda galaxy in h-alpha
exposure time 46.21 H
taken with moravian instrument's C2-1200A
Refractor: 80/620mm + reductor 0,85

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I know that it doesn't look like H-alpha but it should be H-alpha

fierce robin
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Just do some substraction from rgb

shut girder
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atleast not in this year