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M101

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About this observation
Observer
Mark Phillips
Time of observation
18/04/2020 - 23:50
Object
M101 Ursa Major
Observing location
Edinburgh, UK
Equipment
250mm f4.8 OO Newtonian
Atik 460EX @-15C
Baader RGB filters 1x1
Capture: APT
Processing: APP, Photoshop
Exposure
20x180s each RGB
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Been fighting with this one over 3 nights. Still too noisy. Probably need longer exposures as having to stretch the data too far.

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