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Contains:  NGC 2024, Horsehead nebula, IC 434, NGC 1990, M 43, NGC 1982, NGC 1977, M 42, Great Nebula in Orion, NGC 1976, NGC 1981, Witch Head nebula, IC 2118, The star ηOri, The star ιOri, The star Cursa (βEri), The star Mintaka (δOri), The star Saiph (κOri), The star Alnitak (ζOri), The star Alnilam (εOri), The star Bellatrix (γOri), The star Betelgeuse (αOri), The star Rigel (βOri), Part of the constellation Orion (Ori), Part of the constellation Lepus (Lep), Part of the constellation Eridanus (Eri)
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Orion Constellation Mosaic in Ha, 20 panels, 


            Steven Christensen
Orion Constellation Mosaic in Ha, 20 panels

Technical card

Resolution: 11110x6370

Dates:March 28, 2019

Frames: 12x600"

Integration: 2.0 hours

Avg. Moon age: 22.43 days

Avg. Moon phase: 47.02% job: 2607681

RA center: 84.352 degrees

DEC center: -0.443 degrees

Pixel scale: 9.314 arcsec/pixel

Orientation: 71.261 degrees

Field radius: 16.567 degrees

Locations: Home, Durham, North Carolina, United States

Data source: Backyard


More panels added to my Orion Ha Project. Sharpless 264, Rigel, and Betelgeuse areas.

Repeat of previous information on setup.

This is the current result of my attempt to image Orion in Ha from my driveway in Durham, NC. This was done over the last six months or so. Much of the mosaic was done using my images by my son Tim using the Nuke software. I plan to add more panels around the outside as weather and Orion's visibility allow.

I used

Atik 460ex camera
Canon 100mm f.2.8L lens
Astrodon 5nm Ha filter
Orion Atlas Pro Mount
Orion 50mm guide scope
Lodestar X2 guide camera
Polestar polar align scope
Sequence Generator Pro
PlateSolve 2
Carte du Ciel
Photoshop CC
Nuke for the mosaic creation
Most panels are 10-12 10 minute exposures



Steven Christensen
License: None (All rights reserved)

Sky plot

Sky plot


Orion Constellation Mosaic in Ha, 20 panels, 


            Steven Christensen