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



    
        

            Craig
Horsehead HaRGB
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Horsehead HaRGB

Technical card

Imaging telescopes or lenses: Takahashi FSQ-106EDX IV

Imaging cameras: QSI 683wsg-8

Mounts: Software Bisque Paramount MX+

Guiding telescopes or lenses: Takahashi FSQ-106EDX IV

Guiding cameras: Starlight Xpress Loadestar X2

Software: Photoshop CS6  ·  Software Bisque Skyx Pro  ·  Stark Labs nebulosity 4

Filters: Ha  ·  Astrodon Green Tru-Balance E-Series Gen 2  ·  Astrodon Blue Tru-Balance E-Series Gen 2  ·  Astrodon Red Tru-Balance E-Series Gen 2


Dates:Feb. 3, 2018Feb. 5, 2018

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 6x600" -20C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 6x600" -20C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 6x600" -20C bin 1x1
Ha: 28x1200" -20C bin 1x1

Integration: 12.3 hours

Darks: ~16

Bias: ~50

Avg. Moon age: 19.05 days

Avg. Moon phase: 79.87%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 1921168

RA center: 5h 41' 2"

DEC center: -2° 29' 6"

Pixel scale: 1.050 arcsec/pixel

Orientation: 88.799 degrees

Field radius: 1.201 degrees


Resolution: 6589x4941

Description

Some of my larger stars went nuclear on me after processing. Must try to reprocess. Comments are definitely welcome!!

Comments

Revisions

  • Horsehead HaRGB, 



    
        

            Craig
    Original
  • Horsehead HaRGB, 



    
        

            Craig
    B
  • Horsehead HaRGB, 



    
        

            Craig
    C
  • Final
    Horsehead HaRGB, 



    
        

            Craig
    D

Sky plot

Sky plot

Histogram

Horsehead HaRGB, 



    
        

            Craig