Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)  ·  The star σOri
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Double Night Flaming Horsehead, 


            Matt Jenkins
Double Night Flaming Horsehead
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Double Night Flaming Horsehead

Technical card

Imaging telescopes or lenses: Skywatcher 80/600ED

Imaging cameras: Canon 450D modded

Mounts: HEQ5 PRO

Guiding telescopes or lenses: SkyWatcher ST80

Guiding cameras: ASI120MM

Focal reducers: Skywatcher .85x Focal Reducer & Corrector SW field flattener

Software: PixInsight  ·  DeepSky Stacker 3.3.4 Deepsky Stacker

Dates:Feb. 6, 2015

Frames: 58x600" ISO400

Integration: 9.7 hours

Darks: ~30

Flats: ~100

Bias: ~150

Avg. Moon age: 17.02 days

Avg. Moon phase: 94.35%

Bortle Dark-Sky Scale: 3.00

Basic astrometry details

Astrometry.net job: 533948

RA center: 5h 41' 8"

DEC center: -2° 5' 6"

Pixel scale: 2.061 arcsec/pixel

Orientation: 111.728 degrees

Field radius: 0.953 degrees

Resolution: 2835x1747


First attempt at multi-night combinations. Used a previous 4.5 hour run with another evenings session. Framing was not right, was off by 20 degrees, so needed to crop quite aggressively, but got some serious exposure time for the main event. Very happy with the way this has come out.


Sky plot

Sky plot


Double Night Flaming Horsehead, 


            Matt Jenkins