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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, IC 432, IC 431, NGC 1990, NGC 1981, The star Alnitak (ζOri), The star σOri, The star Alnilam (εOri), Part of the constellation Orion (Ori)
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IC 434 - Horse head nebula, 


            Julien Cochet
IC 434 - Horse head nebula

IC 434 - Horse head nebula

Technical card

Resolution: 3927x2586

Dates:Nov. 18, 2019

Astrodon B: 2x300" bin 2x2
Astrodon G: 2x300" bin 2x2
Astrodon Ha 1.25 3nm: 7x300" bin 1x1
L: 5x300" bin 1x1
Astrodon R: 2x300" bin 2x2

Integration: 1.5 hours

Avg. Moon age: 20.69 days

Avg. Moon phase: 65.24%

Bortle Dark-Sky Scale: 2.00 job: 3064691

RA center: 5h 39' 45"

DEC center: -2° 38' 9"

Pixel scale: 3.507 arcsec/pixel

Orientation: 92.198 degrees

Field radius: 2.290

Data source: Amateur hosting facility

Remote source: iTelescope


LHa HaRGB mix ( 1st try any advice is welcome )



Julien Cochet
License: None (All rights reserved)

Sky plot

Sky plot


IC 434 - Horse head nebula, 


            Julien Cochet