NGC 7293  -  Helix Nebula

80%  resolution (2.1MB)

Object data of NGC7293

Object type: Planetary nebula
Size: 12.8'
Magnitude: 6.5 mag
Constellation: Aqr
Distance: 700 Ly
Notes: The large apparent diameter of the Helix Nebula is a result of the small distance of 700 light years. The age of NGC7293 is estimated to be 10,000 years.

Exposure data

Date: L 2019-07-26 + 27  /  RGB 2017-07-20
Location: ATHOS Centro Astronomico / La Palma (900m)
Telescope for L: Astro-Physics 175mm f/8 Starfire EDF with field flattener (f=1452mm)
Telescope for RGB: Baader APO 95/560 CaF2 Travel Companion
Camera: L Moravian G4-16000 with Baader filters  /  RGB Nikon D810A (ISO 800)
Binning: L 1x1  /  RGB -
Mount: L 10micron GM3000 HPS  /  RGB 10micron GM1000 HPS
Exposure time: L 13x6min  /  RGB 21x6min
Exposure time total: L 1h 18min  /  RGB 2h 06min

Image acquisition: Bernhard Hubl (L) & Christoph Kaltseis (RGB)

Image processing: Bernhard Hubl