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Photographer:

Peter Nerbun

Email:

macscreen30@yahoo.com

Location of Photo:

Perry Hall, Maryland USA

Date/Time of photo:

Jan 16 2015 at 05:17UT

Equipment:

TMB-92L refractor, Atik 460EX Monochrome CCD camera, Losmandy Gemini G-11 equatorial mount, Orion Mini 50mm Guide Scope, ASI 120MC guide camera, 3nm H-a and 3nm O-III narrowband filters, Orion Nautilus motorized filter wheel

Description:

This image shows the Orion Nebula (M42) using a 92mm refractor and a thermoelectrically cooled ATIK 460EX monochrome camera coupled to a filter wheel containing a 3nm H-a narrowband filter and a 3nm O-III narrowband filter. I captured this image from my bright sky observing site using narrowband filters having a bandpass of only 30 Angstroms. I captured 1 - 7 minute subframe, 6 - 5minute subframes, 6 -1 minute subframes with the H-a filter and the same number of subframes with the O-III filter.

Website:

http://www.howardastro.org/halgal/main.php?g2_itemId=6801

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