The Orion Nebula (M42)

Posted by Yanick B
on Friday, February 08, 2013

First time post on Astronomy Mag.

Prime focus, Celestron EdgeHD 925 with HyperStar, f/2.3,
CGEM mount,
169 images of 8 seconds, RAW calibrated with bias (309), darks (100) and flats (8)
Canon T1i, unmodified sensor, ISO 1600, with autonomous acquisition using Magic Lanthern
Filter Astronomik CLS-CCD clip to counter light polution.
outside temperature -21°C
pretreatment and processing: PixInsight, postprocessing: iPhoto
Images captured on 2013-02-04 from Mirabel, QC (light pollution: red zone).

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