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Messier 1

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About this observation
Observer
Alun Halsey
Time of observation
30/12/2018 - 22:30
Object
Messier 1 (Crab nebula)
Observing location
Reading Berkshire UK
Equipment
C9.25 SCT working at F/10
Atik 314L/Starlight Xpress filterwheel
Baader 2" narrowband filters
off axis guider/GPcam2 130m
EQ6 Pro
Exposure
Total of 2 hours,4x900sec Ha,4x900sec OIII
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 Using the C9.25 at f/10 I captured 4 subs at 900 seconds each in Ha and same again in OIII,stacked in Deepskystacker,colour combined in Maxim DL4 (Ha,OIII,OIII) final processing in Photoshop CS2.

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