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
Horsehed and Flame nebulae, 


Horsehed and Flame nebulae
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Horsehed and Flame nebulae

Technical card

Imaging telescopes or lenses: ED80

Imaging cameras: SBIG ST-8300C

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: ED80

Guiding cameras: The Imaging Source DMK 21AF04

Focal reducers: William Optics FF/FR 0.8x Tipo II

Software: photoshop  ·  PixInsight  ·  Nebulosity  ·  Microprojects Equinox Image

Filters: Orion SkyGlow 2" Imaging Filter  ·  Orion H‑Alpha 7nm

Accessory: Orion Thin OAG

Dates:Nov. 29, 2013Nov. 30, 2013Dec. 1, 2013

Orion H‑Alpha 7nm: 13x1800" (6h 30') -20C bin 2x2
Orion SkyGlow 2" Imaging Filter: 14x900" (3h 30') -20C bin 1x1

Integration: 10h

Avg. Moon age: 26.76 days

Avg. Moon phase: 9.13%

Bortle Dark-Sky Scale: 4.67

Basic astrometry details

Astrometry.net job: 164869

RA center: 5h 40' 39"

DEC center: -2° 28' 1"

Pixel scale: 5.577 arcsec/pixel

Orientation: -179.532 degrees

Field radius: 1.247 degrees

Resolution: 894x1339

Locations: Home, San Rafael, California, United States

Data source: Backyard


Sky plot

Sky plot


Horsehed and Flame nebulae,