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Andromeda Galaxy

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About this observation
Observer
Nick James
Time of observation
29/11/2019 - 22:04
Object
M31
Observing location
Chelmsford, UK
Equipment
90mm, f/5 refr. ASI 294MC
Exposure
59x60s
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I'm playing around trying to get the best field flattener back focus setting for this telescope. I'm getting close but it is still not right. This image was taken on a reasonably clear, moonless night with a CLS light pollution filter.

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