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
horsehead , 



    
        

            keithlt
horsehead
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horsehead

horsehead , 



    
        

            keithlt
horsehead
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horsehead

Equipment

Imaging Telescopes Or Lenses
William Optics gt-81 GT-81
Imaging Cameras
Canon 450D a mod.
Mounts
Celestron Advanced VX AVX
Accessories
William Optics 50mm Guide Scope · Astronomik CLS clip filter CLS clip in filter · William Optics Flat 6A
Software
Deep Sky Stacker 3.3.4 deepskystacker · phd2 · BackyardEOS · Photoshop CC
Guiding Cameras
Orion SSAG

Acquisition details

Dates:
March 8, 2015
Frames:
CLS: 22x300" (1h 50') ISO800
Integration:
1h 50'
Darks:
12
Bias:
26
Avg. Moon age:
17.22 days
Avg. Moon phase:
93.36%

Basic astrometry details

Astrometry.net job: 569506

RA center: 05h41m08s.2

DEC center: -02°2146

Orientation: 88.772 degrees

Field radius: 1.952 degrees

Resolution: 4330x2696

Description

I really like how the astro modification picks up Ha red

Comments

Revisions

  • horsehead , 



    
        

            keithlt
    Original
  • horsehead , 



    
        

            keithlt
    B
  • horsehead , 



    
        

            keithlt
    C
  • Final
    horsehead , 



    
        

            keithlt
    D

Sky plot

Sky plot

Histogram

horsehead , 



    
        

            keithlt

In these public groups

Cloudy Nights