Keyhole Nebula

An old session from last year, re-processed with PI 1.7, with an intesive use of RRL deconvolution (150 iterations) to increase resolution.

IMAGING DATA
Optical train: AP130 EDF GT + AP barlow 2x
Guiding: B&L 80/800 SCT guidescope + SPC900NC + PHD
Camera: Canon 1000D (modded)
Frames: 22 45-sec subs and 26 3-minute subs at iso800, calibrated with 30 bias/dark/flat frames.
Processing: PI 1.7 + Photoshop + Canon DPP
Date: 2011-03-13
Place: General Pacheco, Buenos Aires, Argentina
Seeing/transparency: very good/average

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