Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
The Cave Nebula, Sh2-155 or Caldwell 9, Steve Loveridge
The Cave Nebula, Sh2-155 or Caldwell 9
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The Cave Nebula, Sh2-155 or Caldwell 9

Equipment

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Acquisition details

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Description

20 x 45 min subs - no calibration frames. Kit used - Atik 460ex mono camera, Baader 7nm Ha filter,Takahashi FSQ106ED at native f5 on a 10 Micron GM1000HPS mount guided with an SX OAG and Lodestar. Acquired using SGPro and quickly processed in Pixinsight (just a Histogram Stretch and a 1.0SD ACNR run). I will be adding Oiii and RGB next time we get clear skies.

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Sky plot

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The Cave Nebula, Sh2-155 or Caldwell 9, Steve Loveridge