Exposure data
Telescope: 10″ Lacerta Newton f=1000mm
Camera: SBIG ST8300M
Filters: Baader LRGB
Exposure times: L: 46x2min R: 16x2min G: 16x2min B: 16x2min
Exposure time total: 3h 8min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2018-04-18
Object data of M 13
Object type: Globular cluster (V)
Size: 20′
Magnitude: 5.9 mag
Constellation: Hercules
Distance: 22000 Ly
