Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  LBN 524  ·  LBN 527  ·  LBN 529  ·  LDN 1215  ·  LDN 1216  ·  LDN 1218  ·  LDN 1220  ·  LDN 1222  ·  PK110+01.1  ·  Sh2-155  ·  VdB155
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Cave Nebula - Sh2-155, Roger Nichol
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Cave Nebula - Sh2-155

Getting plate-solving status, please wait...
Cave Nebula - Sh2-155, Roger Nichol
Powered byPixInsight

Cave Nebula - Sh2-155

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Description

The Cave Nebula - Sh2-155.

Captured over a 5 week period in the pre-dawn hours as it emerges over the horizon.  I went quite deep on this one as I wanted to get as much Sii and Oiii to balance the predominantly Ha composition, so ended up with over 30 hours of data.

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Cave Nebula - Sh2-155, Roger Nichol