Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
SH-2 155 Cave Nebula in Cepheus (RGB), Mike Oates
SH-2 155 Cave Nebula in Cepheus (RGB)
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SH-2 155 Cave Nebula in Cepheus (RGB)

SH-2 155 Cave Nebula in Cepheus (RGB), Mike Oates
SH-2 155 Cave Nebula in Cepheus (RGB)
Powered byPixInsight

SH-2 155 Cave Nebula in Cepheus (RGB)

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Description

I have not been posting images for a while as I have been rather busy - building an observatory. It took rather longer than I thought it would being 11 months since I started the pier foundations. But it's worth it, now I can get imaging a lot faster and be protected from the wind as well as allowing me to stay warm while imaging.

This image, the Cave Nebula is my first light from the observatory.

I am really surprised how well this has turned out as I live in light polluted Manchester, UK and I have only used R, G & B filters. I was also going to take Ha subs, but I don't think I need to. The average SQM reading was 18.7.

The actual sub exposures over 3 nights were:

Red 6x300s bin 2x2 + 9x600s bin 1x1

Green 5x300s bin 2x2 + 10x600s bin 1x1

Blue 3x300s bin 2x2 + 9x600s bin 1x1

The updated version is the same image with a different border which is now the format I intend to keep.

Comments

Revisions

  • SH-2 155 Cave Nebula in Cepheus (RGB), Mike Oates
    Original
  • Final
    SH-2 155 Cave Nebula in Cepheus (RGB), Mike Oates
    B

Sky plot

Sky plot

Histogram

SH-2 155 Cave Nebula in Cepheus (RGB), Mike Oates