NGC 7293  -  Helix Nebula

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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: 2009-09-13
Location: La Palma / Spain (1700m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and Baader Filters
Binning: RGB 1x1
Exposure time: R 7x12m / G 7x12m / B 7x12m
Exposure time total: 4h 12m
Notes: pure RGB with bad seeing (FWHM 4-5'')