Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  9 Cep  ·  B152  ·  B153  ·  B154  ·  B160  ·  B161  ·  B162  ·  B163  ·  B365  ·  B366  ·  B367  ·  Erakis  ·  IC 1396  ·  PK097+03.1  ·  PK098+02.1  ·  PK098+04.1  ·  PK100+04.1  ·  Sh2-128  ·  Sh2-129  ·  Sh2-131  ·  The star 9Cep  ·  The star Garnet Star (μCep)  ·  VdB140  ·  VdB142  ·  mu. Cep
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Elephant Trunk Nebula - Widefield, nerdybeardo
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Elephant Trunk Nebula - Widefield

Getting plate-solving status, please wait...
Elephant Trunk Nebula - Widefield, nerdybeardo
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Elephant Trunk Nebula - Widefield

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Description

I didn't realize how much Oxygen was in this the Elephant Trunk nebula. Originally I thought the highest signal would come from Hydrogen and Sulfur, but the signal from Oiii was really saturating. I had even lowered the gain and offset on this to 75 and 15 on oxygen but so much of it came through as blue I actually had to lower the curves on the quite a bit. Overall I wish it had come out a bit better because of the amount of time I spent on it but they can't all be perfect right? This is a total of 16 hours of integration and I had thrown out about 3.5 hours, so total I had almost 20 hours of capture into this. I took this with the 135mm lens, which I absolutely love... I have one more target for this year hopefully once the moon stops messing up my shots ...

***** EDIT *****

I have recently found out that my Oxygen and Sulfur filters were flipped in SGP so while this data is correct the palette used was OHS not SHO. This is why I thought that it had so much Oxygen. I will be re-processing this to correct it.

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Revisions

  • Elephant Trunk Nebula - Widefield, nerdybeardo
    Original
  • Elephant Trunk Nebula - Widefield, nerdybeardo
    C
  • Final
    Elephant Trunk Nebula - Widefield, nerdybeardo
    D

C

Description: Fix brightness again

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Elephant Trunk Nebula - Widefield, nerdybeardo