Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-155
Getting plate-solving status, please wait...
The Cave Nebula - SH2-155 - Caldwell 9, Kevin Morefield
Powered byPixInsight

The Cave Nebula - SH2-155 - Caldwell 9

Getting plate-solving status, please wait...
The Cave Nebula - SH2-155 - Caldwell 9, Kevin Morefield
Powered byPixInsight

The Cave Nebula - SH2-155 - Caldwell 9

Equipment

Loading...

Acquisition details

Loading...

Description

A complex nebula, the Cave is a mix of emission, reflection and dark nebulae in the constellation Cepheus.

How to shoot and process this puzzled me so I shot SHO and LRGB data. I tried every combination I could think of but ended up with a new one for me [L]SR-HG-OB. By that I mean that I combined the stretched color and narrowband channels and used Ha for luminance. So Red is Red+SII, Green is Green+Ha, and Blue is Blue+OIII.

The OIII was very weak here so it really benefited by being added to the Blue.

30.66 hours of NB data at 20 minute subs, 10.1 hours of RGB data. I never used the Luminance.

Comments

Revisions

  • The Cave Nebula - SH2-155 - Caldwell 9, Kevin Morefield
    Original
  • The Cave Nebula - SH2-155 - Caldwell 9, Kevin Morefield
    B
  • Final
    The Cave Nebula - SH2-155 - Caldwell 9, Kevin Morefield
    C

B

Description: Star color fix

Uploaded: ...

C

Description: New color scheme, narrowband only. Mix of SHO and SII/OIII bi-color

Uploaded: ...

Sky plot

Sky plot

Histogram

The Cave Nebula - SH2-155 - Caldwell 9, Kevin Morefield