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Eagle Nebula in Emission-Line
Type Diffuse Nebula
Constellation Serpens
Distance 7,000 ly
More Info Astronomy Magazine
Date 15 Jun 2012 (Spring)
Place Palomar Mountain, CA
Exposure Data SII:Ha:OIII 120:320:120 mins @ -10C
SII 8x15, Ha 16x20, OIII 8x15 (bin 1x1) as RGB
Notes Published in Astronomy Magazine February 2013 issue. Astronomy Magazine Picture of the Day July 12, 2012.
The Ha was collected on 05-27-2011.
Optics Celestron C11 Carbon Fiber SCT w/XLT
Focal Length 1700mm @f/6
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII
Software Maxim DL, CCDStack, Photoshop