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SH2-105 (Crescent Nebula, NGC6888)

Emission nebula in Cygnus.
Click on the images for a full scale version.

H-Alpha, OIII, Continuum

SH2-105
Color mapping:      Red: H-Alpha + Continuum      Green: OIII + Continuum      Blue: OIII - H-Alpha + Continuum

Observation data

FOV: 0.62° x 0.47°
Date: 2018
Location: Pulsnitz, Germany
Instrument: 400mm Newton at f=1520mm
Camera Sensor: Panasonic MN34230
Total exposure times:
H-Alpha (3nm): 2.8 hours
OIII (3nm): 2.9 hours
NIR (as continuum): 0.7 hours
Remarks: Artifacts in OIII due to a defect filter