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Photographer:

Rod Pommier

Email:

pommierr@ohsu.edu

Location of Photo:

Pommier Observatory, Portland, OR, USA

Date/Time of photo:

2016-01-10 through 2016-02-08

Equipment:

Telescope/Mount:Celestron Compustar C14 with Astro Physics 0.75x reducer (f/8.3). Camera: SBIG STL 11000M with Baader Planetarium L,R,G,B filters.

Description:

The Great Orion Nebula, comprised of M42 and M43, with the Trapezium near the center. Because of its high dynamic range, the Great Orion Nebula is difficult to capture with a single exposure duration. This is a high dynamic range image made by combining short exposures for the Trapezium and bright central portions of the nebula, longer exposures for the middle range of the nebula, and still longer exposures for the faint peripheral nebulosity and dust clouds. Exposures: Luminance: 47 x 5 minutes, 37 x 2 minutes. RGB: 9 x 10 minutes each, 4 x 5 minutes each, 10 x 10 seconds each. Total exposure:10 hours, 40 minutes, 40 seconds.

Website:

www.rodpommier.com

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