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
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Horsehead region, 



    
        

            Craig
Horsehead region
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Horsehead region

Technical card

Imaging telescopes or lenses: Takahashi FSQ106ED

Imaging cameras: QSI 683wsg-8

Mounts: Software Bisque Paramount MX+

Guiding telescopes or lenses: Takahashi FSQ106ED

Guiding cameras: Starlight Xpress Loadestar X2

Software: Software Bisque Skyx Pro  ·  Stark Labs nebulosity 4  ·  PixInsight 1.8 PixInsight

Filters: Ha


Dates:Dec. 30, 2017

Frames:Ha: 15x900" -20C bin 1x1

Integration: 3.8 hours

Darks: ~14

Bias: ~45

Avg. Moon age: 11.74 days

Avg. Moon phase: 90.00%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 1873492

RA center: 5h 40' 42"

DEC center: -2° 30' 32"

Pixel scale: 1.457 arcsec/pixel

Orientation: 94.351 degrees

Field radius: 1.642 degrees


Resolution: 6490x4871

Description

A work in progress but I do like the details.

Comments

Sky plot

Sky plot

Histogram

Horsehead region, 



    
        

            Craig