Object
Description: Crescent Nebula in Emission-Line
Type: Supernova Remnant
Constellation: Cygnus
Distance: 5,000 ly
Image
Date: October 28, 2006
Location: Carlsbad, CA
Exposure: SII 4x15, Ha 6x15, OIII 4x15 (bin 1x1) as RGB
Notes: Astromart's Picture of the Day 6/2/2007
Equipment
Optics: Takahashi FSQ-106N Refractor
Focal Length: 530mm @f/5
Mount: Celestron CGE
Camera: SBIG ST-2000XM
Focuser: Robo-Focus
Filters: CFW10A, Astrodon 6nm SII, Ha, OIII
Software: Maxim DL, RegiStar, Photoshop
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