Molecular clouds in Cepheus (LRGB) (Andy Brown)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep)

Molecular clouds in Cepheus (LRGB), Andy Brown

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Molecular clouds in Cepheus (LRGB)

Revision title: Additional contrast and saturation adjustments

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Molecular clouds in Cepheus (LRGB)

Revision title: Additional contrast and saturation adjustments

A collection of dark and bright(!?) molecular clouds in the area of Cepheus including (from left to right):

LDN 1228 - a dark molecular cloud catalogued in the Lynd's Dark Nebula list. This also contains the brighter star forming region designated RNO 129
LBN 550
LBN 552 - considered the weakest in Lynd's Bright Nebula list measuring 6 on the scale of 1-6 which contains the bright, orange reflection nebula GN 21.00.4
LBN 555

Also in the frame, near the centre, is the blue, main sequence star 77 Draconis (spectral type B8Vn) lying 403 light years away. This has a high surface temperature between 10,000K and 25,000K which is much hotter than our sun at 5,778K.

I was able to capture just over 11 hours of LRGB data over 2 nights in September 2022 with no Moon and good seeing. Although my skies are classified as Bortle 4 the northerly view is actually closer to Bortle 3. I'm hoping for more clear, moonless nights over the Autumn/Winter to concentrate on other dark stuff.

Original
B
C
D
Final
E

B

Title: Increase saturation, brightness and contrast

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C

Title: Starless version

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D

Title: Additional contrast and saturation adjustments

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E

Title: Reprocess

Description: A complete reprocess from the original integration using the latest RC-Astro tools, SPCC and luminosity masks in Photoshop

Uploaded: ...

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Astrometry.net job	6533396
PixInsight job	N14UKL0BHO50MAAJ97MYRSA8MTL5755A
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Molecular clouds in Cepheus (LRGB)

Revision title: Additional contrast and saturation adjustments

Molecular clouds in Cepheus (LRGB)

Revision title: Additional contrast and saturation adjustments

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Molecular clouds in Cepheus (LRGB)

Revision title: Additional contrast and saturation adjustments

Molecular clouds in Cepheus (LRGB)

Revision title: Additional contrast and saturation adjustments

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