M 97 – Owl Nebula

Exposure data

Telescope: 12″ Meade ACF f=1500mm with Reducer Lumicon Giant Easy Guider
Camera: SBIG ST2000XM
Filters: Baader RGB + Astronomik Hα (13nm)
Exposure times: Hα: 12x10min R: 3x10min G: 3x10min B: 3x10min (L: 1×1 RGB: 2×2)
Exposure time total: 3h 30min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2010-04-06

Object data of M 97

Object type: Planetary nebula
Size: 3.3′
Magnitude: 12.0 mag
Constellation: Ursa Major
Distance: 2000 Ly