Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)
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Horsehead Nebula, 


            Chuck Manges
Horsehead Nebula
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Horsehead Nebula

Technical card

Imaging telescopes or lenses: Celestron C1100 Edge HD + Hyperstar

Imaging cameras: QHYCCD qhy23  ·  QHY163M

Mounts: Orion HDX110  ·  Celestron CGEM DX

Guiding telescopes or lenses: Astro-Tech AT65EDQ 65mm f/6.5 ED quadruplet #2

Guiding cameras: QHY5L-II Mono

Focal reducers: Starzona Hyperstar

Software: Stark Labs Nebulosity 3.1.0  ·  Adobe Photoshop CS6  ·  APT - Astro Photography Tool  ·  Metaguide 5.2.0

Filters: Baader L 36mm  ·  Baader Red, Green, Blue 36mm

Dates:Nov. 15, 2015March 12, 2018

Baader H-alpha 7nm 36mm: 36x120" bin 1x1
Baader L 36mm: 50x120" -30C bin 1x1

Integration: 2.9 hours

Darks: ~20

Avg. Moon age: 14.19 days

Avg. Moon phase: 18.38%

Mean SQM: 21.10

Basic astrometry details

Astrometry.net job: 1969865

RA center: 5h 40' 59"

DEC center: -2° 15' 0"

Pixel scale: 1.365 arcsec/pixel

Orientation: 85.690 degrees

Field radius: 1.008 degrees

Resolution: 1824x1107


Original Image 11/15/15.
2 panel mosaic
Telescope: Celestron 11" EdgeHD w/Hyperstar (F/2)
Camera: QHY23M @-30C
Each panel(2) consists of the following filtered images
Lum- 25x120sec

I combined the 2015 image with data collected recently:
Sept 2017-March 2018:
18 HA filtered images, each 2 minutes, unguided
11" Celestron EdgeHD w/Hyperstar (F/2) 560mm FL
Orion HDX-110



  • Horsehead Nebula, 


            Chuck Manges
  • Horsehead Nebula, 


            Chuck Manges
  • Final
    Horsehead Nebula, 


            Chuck Manges

Sky plot

Sky plot


Horsehead Nebula, 


            Chuck Manges