Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Hemisphere:  Southern  ·  Contains:  50 zet Ori, Alnitak, B33, Horsehead nebula, IC 434, IC 435, IC434, IC435, NGC 2023, NGC2023, Sh2-277, The star Alnitak (ζOri)
Getting plate-solving status, please wait...
Horsehead Nebula in Ha, 


            Joel Shepherd
Powered byPixInsight

Horsehead Nebula in Ha

Imaging telescopes or lenses: Celestron Omni XLT150 Reflector

Imaging cameras: Atik 460EX Mono

Mounts: Advanced VX

Guiding telescopes or lenses: Orion Deluxe Mini 50mm Guide Scope with Helical Focuser

Guiding cameras: Orion StarShoot AutoGuider Pro Mono

Software: Adobe Photoship CC 2015  ·  PixInsight 1.8  ·  Craig Stark Nebulosity 3

Filters: Orion H‑Alpha 7nm 1.25"

Dates:Nov. 29, 2015

Frames: 7x300"

Integration: 0.6 hours

Avg. Moon age: 18.54 days

Avg. Moon phase: 84.73% job: 874660

RA center: 5h 41' 8"

DEC center: -2° 24' 38"

Pixel scale: 2.080 arcsec/pixel

Orientation: -58.782 degrees

Field radius: 0.590 degrees

Resolution: 1600x1274

Locations: Home, Seattle, WA, United States


Taken in less than ideal circumstances: fog rolling in (hence the small number of lights), off-balance telescope and unhappy guiding software. Nonetheless, there it is. Looking forward to a clear, unhurried night to give this subject its proper due.



Joel Shepherd
License: Attribution Creative Commons

Sky plot

Sky plot


Horsehead Nebula in Ha, 


            Joel Shepherd