NGC7293: Helix Nebula

 


100% resolution (0.7 MB)

NGC 7293


Object Data

Object type: Planetary Nebula
Size:  
Magnitude:  
Constellation: Acquarius
Distance: 700 light years
 
Notes:  

Exposure Data

Date: 10/25/14
Location: Little Blair valley, Anza Borrego Desert, CA
Telescope: AstroTech 8" RC, 1625mm fl at f/8
Camera: SBIG ST10-XME with Astrodon narrowband filters (3nm)
Mount: AP1100
Exposure time: 2 hrs each Ha, OIII and NII
Exposure time total: 6 hours
Notes: FOV = 32 x 21 arcmin
Mapped red to NII, Blue to OIII, and Green to Ha

 

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