Sharpless 155-The Cave Nebula. SHO March 2022
The Cave Nebula or Sh2-155 is a diffuse emission nebula within a larger nebula complex that includes a reflection nebula, and dark nebula. It is located in the constellation of Cepheus and lies around 2,400 light-years distant.
Imaged back in March 2022 but was never quite happy with the data. Have finally got round to processing it and this is the result.
HEQ5 PRO
WO7IGT with dedicated reducer/corrector
QHY183M Gain16 Offset 30 -20C
Baader narrowband filter set
900secX12 Ha
900sec X20 OIII
900secX26 SII subs
Total acquisition time 14hrs30min
Processed using Straton Star Removal, Pixinsight and Photoshop.
Sharpless 155-The Cave Nebula. SHO March 2022
The Cave Nebula or Sh2-155 is a diffuse emission nebula within a larger nebula complex that includes a reflection nebula, and dark nebula. It is located in the constellation of Cepheus and lies around 2,400 light-years distant.
Imaged back in March 2022 but was never quite happy with the data. Have finally got round to processing it and this is the result.
HEQ5 PRO
WO7IGT with dedicated reducer/corrector
QHY183M Gain16 Offset 30 -20C
Baader narrowband filter set
900secX12 Ha
900sec X20 OIII
900secX26 SII subs
Total acquisition time 14hrs30min
Processed using Straton Star Removal, Pixinsight and Photoshop.