September 25, 2009

M31 from Kelling Heath

The Kelling Heath Autumn Equinox Star party has always been lucky for the weather, and this year was no different. Of the 4 nights I was there, it was clear on 2 of them. Thats more clear nights than I have seen in the previous month!

I do have at least one other image from Kelling that I need to do some extended work on before it sees the light of day, so I started on this one first.

Mount: EQ6 via EQMOD
OTA: Borg 77EDII @ f/4.3
Guiding: SW ED80 + SX Lodestar + Maxim
Imaging: Starlight Xpress M25C + MaximDL, 24×600s, Hutech IDAS  (101 bias, 101 flats)
Orchestrated: CDD Commander
Stacked: DeepSkyStacker
Post Process: PSCS2 + PixInsight

I know that the camera isnt quite square to the OTA (hence the crop and the slightly larger stars in lower right corner), but thats something to work on at some point in the future.

(Click on image for larger version)

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