Celestial 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

Acquisition details

Dates:
Nov. 20, 2014 ·  Nov. 26, 2019 ·  Dec. 4, 2019
Frames:
Astronomik EOS Clip CLS: 123×30(1h 1′ 30″) ISO1600
Astronomik H-alpha 12nm CCD Clip-Filter EOS: 730×30(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: 05h41m03s.4

DEC center: -02°2645

Pixel scale: 2.267 arcsec/pixel

Orientation: 89.938 degrees

Field radius: 1.417 degrees

Resolution: 3924x2206

File size: 3.2 MB

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.)

Comments

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Sky plot

Histogram

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



    
        

            gigiastro