Exposure data
Telescope: 10″ Lacerta Newton f=1000mm
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 37x5min L: 29x3min R: 13x3min G: 13x3min B: 13x3min
Exposure time total: 6h 29min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2026-07-10+11+12+13
Object data of M 17
Object type: Emission nebula
Size: 20′ x 15′
Magnitude: 6.0 mag
Constellation: Sagittarius
Distance: 5700 Ly
