Imaging telescope or lens: Vixen ED80SF
Imaging camera: Canon 550D
Mount: CELESTRON CG5-GT
Guiding telescope or lens: Vixen Finderscope 9x50
Guiding camera: Orion StarShoot AutoGuider
Focal reducer: Orion Field Flattener for Short Refractors
A few weeks ago (July 4, 2013), I was in Wayne County, Iowa, in search of dark skies (Bortle grey). This was the last target I imaged on this trip, on a whim, because I had about an hour until dawn and was finished with my other targets. Oddly it is also the first deep-sky data from that trip I've processed.
It was very early in the season for M31, as it was low, but when you're in dark sky country -- it doesn't matter. This is what only 45 minutes of data gave me.
Total integration time: 45 minutes
9x5m sub exposures
Vixen ED80sf 80mm APO refractor
Celestron CG-5 ASGT mount
Orion SSAG autoguider + 50mm guide scope
Canon T2i 550D DSLR (Baader IR modded)
Orion Field Flattener
Image acquisition with BackyardEOS
Guiding with PHD
Calibration/alignment/integration and post-processing with PixInsight
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