Keyhole Nebula

with a hint of the Homunculus around Eta Carina.

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 31 3-minute subs at iso800, calibrated with 40 bias and 30 darks frames.
Processing: DSS + PI LE + Photoshop + Canon DPP
Date: 2011-03-13
Place: General Pacheco, Buenos Aires, Argentina
Seeing/transparency: very good/average

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