Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)  ·  The star σOri
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Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB, 



    
        

            gigiastro
Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB
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Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB

Getting plate-solving status, please wait...
Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB, 



    
        

            gigiastro
Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB
Powered byPixInsight

Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB

Technical card

Imaging telescopes or lenses: Canon EF 400mm f/5,6L USM

Imaging cameras: Canon EOS 60Da

Mounts: iOptron ZEQ25GT

Software: PixInsight  ·  Noel Carboni's AstroFlat Pro  ·  DeepSkyStacker 3.3.4  ·  Noel Carboni's StarSpikes Pro 4  ·  Noel Carboni's Actions  ·  Elements Photoshop

Filters: Astronomik EOS Clip CLS  ·  Astronomik H-alpha 12nm CCD Clip-Filter EOS


Dates:Nov. 20, 2014Nov. 26, 2019Dec. 4, 2019

Frames:
Astronomik EOS Clip CLS: 123x30" (1h 1' 30") ISO1600
Astronomik H-alpha 12nm CCD Clip-Filter EOS: 730x30" (6h 5') ISO1600

Integration: 7h 6' 30"

Darks: 13

Flats: 30

Flat darks: 10

Bias: 80

Avg. Moon age: 21.49 days

Avg. Moon phase: 18.86%

Bortle Dark-Sky Scale: 7.33

Temperature: 5.00


Basic astrometry details

Astrometry.net job: 3121665

RA center: 5h 41' 3"

DEC center: -2° 26' 45"

Pixel scale: 2.267 arcsec/pixel

Orientation: 89.938 degrees

Field radius: 1.417 degrees


Resolution: 3924x2206

Locations: Home, Mestre, Venezia, Italy

Data source: Backyard

Description

«It is impossible to look at [The Horsehead Nebula]

and not be convinced that there is something dark

between us and [the luminous emission nebula (IC 434)]»

(From: Publications of the Astronomical Society of the Pacific:

Curtis, H. D. 1918, PASP, 30, 65

DARK NEBULAE

H. D. Curtis

1918.)

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Barnard 33 - The Horsehead Nebula in emission nebula IC 434 - HaRGB, 



    
        

            gigiastro