WR 134 in HOO with RGB stars: Interplay of blue and red (Miran Brezočnik)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD191493 · HD191494 · HD191611 · HD191612 · HD191765 · HD191783 · HD191917 · HD192103 · HD227820 · HD227826 · HD227836 · HD227875 · HD227876 · HD227883 · HD227893 · HD227903 · HD227915 · HD227916 · HD227933 · HD227960 · HD227969 · HD227978 · HD227993 · HD227994 · HD227995 · HD228005 · HD228006 · HD228020 · HD228021 · HD228031 · And 32 more.

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WR 134 in HOO with RGB stars: Interplay of blue and red

Powered byPixInsight

WR 134 in HOO with RGB stars: Interplay of blue and red

The Wolf-Rayet star WR 134 with the nebula has been my most challenging astrophotography project to date. I dedicated nearly a month and a half to this endeavour. Building on my previous attempt, I carefully analysed the subframes and excluded several inferior ones. Clear September nights provided an opportunity to capture quite a few additional frames using the Ha, and especially OIII filters. Approximately every five hours of additional exposure time, I performed preliminary processing, evaluating its impact on the image quality. In total, I managed to accumulate nearly 32 hours of exposure time.

One of the primary goals of data processing was to achieve an interplay of oxygen and hydrogen colour shades, resulting in a subtle transparency effect in some areas of the image. The image was processed following the HOO color palette. Lastly, spectrophotometrically calibrated RGB stars were added to the starless picture.

Original
Final
B

B

Description: Improvement of colours, Histogram fine-tuning, Spectrophotometrically calibrated stars added, Reducing star sizes

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Status	Advanced success
Started	...
Astrometry.net job	8481590
PixInsight job	KSUZJEAEWOIQR4YMRO9FFQ0P0DZG0FF5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h10m13s.650
RA (top/left)	20h10m33s.189
RA (top/right)	20h06m56s.179
RA (bottom/right)	20h09m54s.197
RA (bottom/left)	20h13m30s.778

Dec (center)	+36°12′02″.83
Dec (top/left)	+36°51′51″.22
Dec (top/right)	+36°15′46″.73
Dec (bottom/right)	+35°32′14″.32
Dec (bottom/left)	+36°07′58″.83

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WR 134 in HOO with RGB stars: Interplay of blue and red

WR 134 in HOO with RGB stars: Interplay of blue and red

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Image Index:

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WR 134 in HOO with RGB stars: Interplay of blue and red

WR 134 in HOO with RGB stars: Interplay of blue and red

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

In these public groups

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