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SH2-142

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

H-Alpha, OIII, Continuum

SH2-142
Color mapping:      Red: H-Alpha + Continuum      Green: H-Alpha - OIII + Continuum      Blue: OIII + Continuum

H-Alpha, OIII, Continuum

SH2-142
Color mapping:      Red: H-Alpha + Continuum      Green: OIII + Continuum      Blue: High-pass filtered H-Alpha + Continuum     

Observation data

FOV: 0.62° x 0.53°
Date: 2018 and 2019
Location: Pulsnitz, Germany
Instrument: 400mm Newton at f=1520mm
Camera Sensor: Panasonic MN34230
Total exposure times:
H-Alpha (3nm): 3.4 hours
OIII (3nm): 4.4 hours
NIR (as continuum): 0.5 hours
Remarks: Artifacts in OIII due to a defect filter