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

Technical card

Imaging telescope or lens: Self Made Hexalite 200

Imaging camera: Nikon D7000

Mount: Vixen GP2

Guiding telescope or lens: Self Made 35/175mm achromatic doublet

Guiding camera: QHYCCD QHY5L-II Color

Focal reducer: Lichtenknecker Coma Corrector

Software: photoshopDeepSkyStackerPHD2 Guiding

Filter: Baader Planetarium SkyGlow

Accessory: PicAstro A1

Resolution: 4723x3037

Dates: Feb. 7, 2018

Frames: 200x120"

Integration: 6.7 hours

Avg. Moon age: 21.98 days

Avg. Moon phase: 51.77% job: 1928425

RA center: 85.367 degrees

DEC center: -2.213 degrees

Pixel scale: 1.238 arcsec/pixel

Orientation: 89.129 degrees

Field radius: 0.965 degrees

Locations: Observatoire de Borlo, Sint-Truiden, Belgium


The Horsehead imaged with a non-modified DSLR. The resulting image is a bit different from what we usually see, with blue reflection nebulas being more prominent than the red emission clouds.

A little bit more than 6 hours total time, to be compared to the first trial in just one hour. This image has 2,5x more signal.






Added red signal captured in 2013 using a modified Nikon D70s. So this version is not in 'visible light' anymore, it contains some IR.


Enhanced contrast & saturation using RawTherapee.

Sky plot

Sky plot


Horsehead in visible light,