NGC 7790, NGC 7788 & “friends”

2009-08-08, RGB

 

 

Image data

Photographer:Jürgen Stöger
Optics:Takahashi FSQ106ED f/5 (main)
Scopos ED66 (guide)
Mount:Fornax 51
Cameras:QHY8 Pro (main)
Starlight SXV-M7 (guide)
Exposure:100 minutes
Conditions:about 3.5 – 4 mag
Moon:Imaging during full moon.
Location:Katzelsdorf
Date:8 August 2009
Remarks:

NGC 7790 object information

NGC 7790 & 7788 are open star clusters in Cassiopeia,
about 3° north of Caph, beta Cas. They form a straight chain
with 4 further open star clusters.

Trumpler classification of the objects:

  • Berkeley 58: II 1 m
  • NGC 7790: II 2 m
  • NGC 7788: I 2 p
  • Harvard 21: IV 1 p
  • King 12: II 1 p