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NGC 7331  Spectra, 


            Stephane Neveu

NGC 7331 Spectra

Technical card

Imaging telescopes or lenses:SkyWatcher Newton 150-750

Imaging cameras:Atik 314L+


Guiding telescopes or lenses:SkyWatcher Newton 150-750

Guiding cameras:Atik 314L+

Software:Astrobodger Bass v1.8.2

Filters:Shelyak Instruments Alpy 600

Dates:Aug. 12, 2016

Frames: 2x1200" bin 0x0

Integration: 0.7 hours

Avg. Moon age: 8.95 days

Avg. Moon phase: 66.40%

Basic astrometry details job: 1238367

Resolution: 1400x500

Locations: OHP, Observatoire de Haute Provence, Haute Provence, France


Observed NGC 7331 spectra versus reference spectra.
Doppler shift shows a redshift (z) = 0.00238
Galaxy velocity = 714 km/s + earth velocity correction13km/s.
Using Hubble constant 71km/s/Mpc we do have here a distance of D=V/H D=10,25 Mpc
in LY = 33,4 million Light years away.

NED database references



Stephane Neveu
License: None (All rights reserved)


NGC 7331  Spectra, 


            Stephane Neveu