Observation by Graham Roberts: The Horse Head and Flame Nebulae in Orio...

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Observer

Graham Roberts

Observed

2019 Jan 28 - 23:00

Uploaded

2019 Mar 03 - 13:44

Objects

The Horsehead Nebula (Barnard 33)
The Flame Nebula (NGC2024)

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Constellation

Orion

Field centre

RA: 05^h40^m
Dec: -02°30'
Position angle: -105°32'

Field size

2°32' × 1°54'

Equipment

William Optics GT81 + Focal Reducer FL 382mm f4.72
ZWO1600MM-Cool (mono) CMOS sensor

Exposure

40×300 sec Ha+34×300 sec OIII+32x300sec SII (Total time: 6hr 50min )

Location

Fairvale Observatory – Redhill – Surrey – UK

Target name

Horsehead and Flame Nebulae

Title

The Horse Head and Flame Nebulae in Orion

About this image

Graham writes the following about this super image:

Given the quality and quantity of data obtained I decided to take my time processing and, furthermore, try to use some new techniques to make the very best of the final image. I was particularly keen to tame some of the brighter stars like the blue supergiant Alnitak located uncomfortably close to the Flame and at the same time bring out the interstellar dust that is present in the foreground below the Horsehead and across the lower right quadrant, which becomes evident in the starless processed Ha layer (see image above). It took quite a while but in the end I am very pleased with the outcome, which I think shows all the benefits of longer data integration and the extra care taken processing. The final SHO narrowband version of the Horsehead and Flame nebulae looks a real cracker, perhaps one of my best and has been worth all the patience and additional time taken to show these two objects and the adjacent region literally in a new light.

Files associated with this observation

wk10_19_HH_roberts_0119.png (1.1 MB)

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