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Helix Nebula in Emission-Line
NGC7293
Object
Type Planetary Nebula
Constellation Aquarius
Distance 450 ly
More Info
Image
Date 08 Sep 2007 (Summer)
Place Carlsbad, CA
Exposure Data Ha:OIII:OIII 90:90:90 mins @ -15C
Ha 6x15, OIII 6x15 (bin 1x1)
Notes
Equipment
Optics Takahashi FSQ-106N Refractor
Focal Length 848mm @f/8
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm Ha, OIII
Software Maxim DL, Photoshop

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