M 97 – Owl Nebula
Exposure data
Telescope: 10" Lacerta Newton f=1000mm
Camera: SBIG ST8300M
Filters: Baader HαOIIILRGB
Exposure times: Hα:26x8min OIII:29x8min L:8x5min R:8x5min G:8x5min B:8x5min
Exposure time total: 10h
Mount: 10Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2019-04-17+18+19
Object data of M 97
Object type: Planetary nebula
Size: 3.3'
Magnitude: 12.0 mag
Constellation: Ursa Major
Distance: 2000 Ly