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ic65 (gamma-Cass) in Ha


ChrisLX200

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Testing my new mount last night, conditions were not great but hey - at least there were stars to be seen! I was more interested if I could get usable 30min subs but my PA was not quite good enough (12 arcmin off) which I though wouldn't matter when using dual-axis tracking, but apparently not and field rotation shows. I made the necessary adjustment at the end of the session (1.3 turns of the AZ knob) and will check next time out.

Scope: TV NP127is @ 660mm

CCD: Atik490EX @ 1x1

Filters: Astrodon Ha, 3nM

Mount: 10-Micron GM2000HPS-II

Guide: undguided

Subs: 5 x 30min Ha

get.jpg

ChrisH

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Very nice  loads of detail great stuff Chris.

what are the tree small streaks bottom left from center 

I have no idea, I went back to look at the raw data and it's actually on 4 of them (not all 5). I guess it must be a reflection of some sort?

streaks1_zpsgdbdevxe.jpg

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