Saturn Nebula close-up (NGC7009)

IMAGING DATA
Optical train: AP130 EDF GT + AP barlow at 2.2x + IDAS/LPS
Mount: Losmandy G11
Guiding: B&L 80/800 SCT guidescope + SPC900NC + PHD
Camera: Canon 1000D (modded)
Frames: 58 lights 20 sec. iso1600, 50 lights 30 sec. iso1600, calibrated with 100 bias frames. Another 100 frames were discarded based on poorer FWHM.
Processing: DSS (drizzle 3x) + PI LE + Photoshop + Canon DPP
Date: 2011-09-19
Place: General Pacheco, Buenos Aires, Argentina
Seeing & transparency: average

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