NGC 7293: Helix Nebula in Aquarius


NGC7293: Helix Nebula

Object Data

Object type: Planetary nebula
Size: 2.87 light years
Magnitude: 7.6
Constellation: Aquarius
Distance: 695 light years

Exposure Data

Date: 9/3 - 9/4/21
Location: Little Blair Valley, Anza Borrego Desert, CA
Telescope: DSI RC10c. 1867 mm at f/7.3
Camera: FLI 6303e microline camera with Astrodon RGB and narrowband filters
Mount: AP 1000 GTOCP3I
Exposure time: Ha:14 x 15 min (3.5 hrs), OIII: 6 x 15 min (1.5 hrs), RGB: 6 x 10 min each (3 hrs)
Exposure time total: 8.0 hrs
Color mapped by assigning Ha to Red, OIII to Blue and Ha+O3 to Green
RGB used for star colors
FOV = 51 x 34 arcmin



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