Exposure data
Telescope: 10″ Lacerta Newton f=1000mm
Camera: SBIG ST8300M
Filters: Baader HαOIIILRGB
Exposure times: Hα: 14x5min OIII: 6x5min L: 6x5min R: 2x5min+15x2min+24x10s G: 2x5min+15x2min+12x10s B: 2x5min+15x2min+12x10s
Exposure time total: 4h 18min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2025-03-07+08
Object data of M 42
Object type: Emission nebula
Size: 90′ x 60′
Magnitude: 4.0 mag
Constellation: Orion
Distance: 1500 Ly
