Sombrero Galaxy (M104)

IMAGING DATA
Optical train: AP130 EDF GT + AP barlow 2x + IDAS LPS
Mount: Meade LXD75
Guiding: B&L 80/800 SCT guidescope + SPC900NC + PHD
Camera: Canon 1000D (modded)
Frames: 18 4-minute subs at iso1600 plus 28 3-minute subs at iso800, calibrated with 40 bias and darks frames. Used flats on iso800 series.
Processing: DSS + PI LE + Photoshop + Canon DPP
Date: 2011-03-08 and 28
Place: General Pacheco, Buenos Aires, Argentina
Seeing/transparency: good/poor and good/good

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