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Photographer:

Howard Trottier

Email:

trottier@sfu.ca

Location of Photo:

Cabin in the Sky Observatory, South Okanagan, British Columbia, Canada

Date/Time of photo:

August 25-September 2 2012 (7 nights)

Equipment:

Telescope: PlaneWave Instruments CDK17. Camera: Apogee U16M with FW50 10-position filter wheel. Exposures: 15+ hours total: Ha=340 minutes (1X1 binning), SII=320m (2X2), OIII=260m (2x2), Subs=20m. Filters: Astrodon 3-nm bandpass filters. Mount: Paramount ME. Guiding: Starlight Xpress Lodestar camera through an Astrodon MOAG. Image capture: ACP, TheSkyX, MaxIm DL and Focusmax. Image processing: PixInsight and CCDInspector.

Description:

This is a narrowband image of NGC7380, also known as the Wizard Nebula, shot through Ha, SII, and OIII filters. I adopted a common palette that I think produces a natural result in this case, taking SII as red, Ha as orange, and OIII as light blue, while desaturating the stars as much as possible. The full resolution version is available at http://www.sfu.ca/~trottier/Observatory/Blogs/citsoblogconjuring.html.

Website:

Web: http://www.sfu.ca/~trottier/Observatory/Blogs/citsoblogconjuring.html

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