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SH2-184 (NGC 281, Pacman Nebula)

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

H-Alpha, OIII, Continuum

SH2-184
Color mapping:      Red: H-Alpha + Continuum      Green: H-Alpha - OIII + Continuum      Blue: OIII + Continuum

H-Alpha, OIII, Continuum

SH2-184
Color mapping:      Red: H-Alpha + Continuum      Green: OIII + Continuum      Blue: High-pass filtered H-Alpha + Continuum     

Observation data

FOV: 0.67° x 0.49°
Date: 2019
Location: Pulsnitz, Germany
Instrument: 400mm Newton at f=1520mm
Camera Sensor: Panasonic MN34230
Total exposure times:
H-Alpha (3nm): 4.7 hours
OIII (3nm): 3 hours
NIR (as continuum): 0.41 hours