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Contains:  NGC 2023, Horsehead nebula, IC 434, The star σOri
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IC 434, 


IC 434

IC 434

Technical card

Resolution: 2416x3268

Dates:Dec. 25, 2018Dec. 26, 2018Dec. 27, 2018Dec. 28, 2018Dec. 29, 2018Dec. 30, 2018Dec. 31, 2018Jan. 1, 2019Jan. 2, 2019Jan. 3, 2019Jan. 4, 2019

B: 18x300" -20C bin 1x1
G: 15x300" -20C bin 1x1
Baader Ha 7 nm: 30x900" -20C bin 1x1
L: 86x300" -20C bin 1x1
R: 15x300" -20C bin 1x1

Integration: 18.7 hours

Darks: ~20

Flats: ~20

Bias: ~100

Avg. Moon age: 23.16 days

Avg. Moon phase: 41.50% job: 2463657

RA center: 85.136 degrees

DEC center: -2.507 degrees

Pixel scale: 1.113 arcsec/pixel

Orientation: 101.968 degrees

Field radius: 0.628 degrees

Locations: Klagenfurt, Klagenfurt, Kärnten, Austria

Data source: Backyard


A classic winter view with the overwhelming light of Alnitak and the typical problems in post processing, when one wants to show H alpha regions and reflexion nebulae in the same frame. The problem was solved by blending H alpha and L with the screen algoritm using pixelmath.



License: None (All rights reserved)

Sky plot

Sky plot


IC 434,