Object
Description: Helix Nebula in Emission-Line
Type: Planetary Nebula
Constellation: Aquarius
Distance: 450 ly
Image
Date: September 8, 2018
Location: Palomar Mountain, CA
Exposure: Ha 11x15, OIII 6x15 (bin 1x1) as RGB
Equipment
Optics: DSI RC10C Corrected RC Astrograph
Focal Length: 1867mm @f/7.3
Mount: Astro-Physics 900GTO
Camera: FLI ML-6303E
Focuser: Built-in Secondary Focuser
Filters: FLI CFW2-7, Astrodon Gen 2 LRGB
Software: MaxIm DL, CCDStack, Photoshop
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