Object
Description:The Butterfly Nebula in Emission-Line
Type:Nebula
Constellation:Cygnus
Distance:5,000 ly
Image
Date:April 30, 2022
Location:Descanso, CA
Exposure:Ha 20x15, Lum 4x10, G 4x10, B 4x10 (bin 1x1)
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 3nm Ha, Gen 2 LRGB
Software:Maxim DL, CCDStack, Photoshop
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