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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, IC 432, IC 431, The star Alnitak (ζOri), The star σOri
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Horsehead Nebula in Orion, 


            Steve Milne
Horsehead Nebula in Orion

Technical card

Resolution: 3290x2474

Dates:Jan. 27, 2019

Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 24x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 24x600" bin 1x1
Astrodon Ha 5nm: 24x1200" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 36x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 24x600" bin 1x1

Integration: 26.0 hours

Avg. Moon age: 21.74 days

Avg. Moon phase: 54.30% job: 2527607

RA center: 85.232 degrees

DEC center: -2.323 degrees

Pixel scale: 2.097 arcsec/pixel

Orientation: 90.960 degrees

Field radius: 1.199 degrees

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Unknown


The Horsehead Nebula (Barnard 33) is a dark nebula some 1,500 light years distant in the Orion molecular cloud complex. The object was discovered on a photographic plate in 1888 by Williamina Fleming (1857 -1911).

To the left of the horse is the Flame Nebula (NGC 2024, Sh 2-277) – an emission nebula around 900–1,500 light years from.

Just below the horse is NGC 2023 – an emission and reflection nebula first observed by William Herschel on 6 January 1785.

Other nebulae in this picture are IC 431, IC 432 and IC 435.

Data for this image were collected from a remote imaging rig in Spain that is jointly owned and operated by Barry Wilson and me. Data collection took place between 30 December 2018 and 27 January 2019.

Telescope: Takahashi FSQ 106
Camera: QSI 683 WSG
Filters: Astrodon
Mount: 10 Micron GM1000HPS

Ha: 24 x 1200s
Lum: 36 x 600s
Red: 24 x 600s
Green: 24 x 600s
Blue: 24 x 600s

A total of 26 hours.

Data capture: Steve Milne & Barry Wilson
Image processing: Steve Milne



Steve Milne
License: None (All rights reserved)


  • Horsehead Nebula in Orion, 


            Steve Milne
  • Final
    Horsehead Nebula in Orion, 


            Steve Milne


A bolder version both in terms of contrast and saturation.

Sky plot

Sky plot


Horsehead Nebula in Orion, 


            Steve Milne