Barnard 150 / SH2-129 with Outers 4 and Comet Atlas (Andre van der Hoeven)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: 3 Cep) · The star Kabalfird (η Cep

Barnard 150 / SH2-129 with Outers 4 and Comet Atlas, Andre van der Hoeven

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Barnard 150 / SH2-129 with Outers 4 and Comet Atlas

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Barnard 150 / SH2-129 with Outers 4 and Comet Atlas

After posting my 1st version of this image I looked further into it and noticed that the stars got somehow completely destroyed in the original size file. So I decided to do a complete reprocess while guarding the stars and nebulae more during processing.

Furthermore I was able to use an OIII dataset from Wei-Hao Wang that he made in 2016 from the Outers-4 nebula inside SH2-129. I got his permission to use his data (all his data can be found via astrobin and they are really a great resource!).

This image shows the region around Barnard 150, aka the cosmic seahorse and SH2-129, the bat nebula with Outers-4 inside it. This region has a lot to offer to astrophotographers and is quite challenging to capture well.

This image was made during our holidays in the Eifel in Germany. Weather forecast was not good for this week but somehow I still got 3 (partly) clear nights in total.

I had planned to image this region already quite some time before but when imaging the first night I noticed there was a comet in the field of view. This was comet C/2023 E1 Atlas. The evening after it was already gone from the field of view, so I guess I was lucky to have caught it.

After coming home from holidays I was able to shoot one more night of H-alpha data using my Optolong L-ultimate filter with my D810a and I added this data to the red layer.

RGB:
Nikon D810a - WO Spacecat 51

Exposures;
15x300s / 51x600s (9.75h, RGB) 34x600s (5.7h, Ha

OIII (Wei-Hao Wang):
Nikon D800 (modified) - Borg 90FL

22x480s / 35x360s (6.5h)

Total: 21.85h

Original
C
Final
D

DSLR and mirrorless astrophotography
Dark Nebula
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WO Redcat 51 Group

Comets
Nebulae

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Status	Basic success
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Astrometry.net job	8364540
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Barnard 150 / SH2-129 with Outers 4 and Comet Atlas

Barnard 150 / SH2-129 with Outers 4 and Comet Atlas

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Barnard 150 / SH2-129 with Outers 4 and Comet Atlas

Barnard 150 / SH2-129 with Outers 4 and Comet Atlas

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