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M31 Last Night - 27th Sept 2022.

Ian McCallum
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Ian McCallum

Ian McCallum

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Using my SW EvoStar 120 achromatic refractor last night, I spend nearly an hour on M31 getting 106 light subs and 16 dark subs.  Exposure time was 30 seconds each, with a 5 second pause between exposures with a gain of 134 (unity gain) - ZWO ASI224MC set to RGB 24 bit.

The result isn't great, in spite of using DSS, etc.  I've left the TIFF file at the bottom of the post, in case anyone fancies giving it a look.  Any suggestions would be most welcome.👍

Light_lapl5_ap19.tif

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