Ptolemy's Cluster (M7)

IMAGING DATA
Optical train: AP130 EDF GT + AP flattener + IDAS-LPS filter
Mount: Losmandy G11 (first light)
Guiding: B&L 80/800 SCT guidescope + SPC900NC + PHD
Camera: Canon 1000D (modded and peltier cooled)
Frames: 30 lights, 3 min. ea. @iso400
Processing: DSS + PI LE + Photoshop + Canon DPP
Date: 2011-08-05
Place: Gral. Pacheco, Buenos Aires, Argentina
Seeing & transparency: good/poor

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