Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 432  ·  IC 434  ·  M 78  ·  NGC 1990  ·  NGC 2023  ·  NGC 2024  ·  NGC 2064  ·  NGC 2067  ·  NGC 2068  ·  NGC 2112  ·  Part of the constellation Orion (Ori)  ·  The star 51Ori  ·  The star Alnilam (εOri)  ·  The star Alnitak (ζOri)  ·  The star σOri
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The Horsehead and Casper Nebulae, 



    
        

            William Maxwell
The Horsehead and Casper Nebulae
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The Horsehead and Casper Nebulae

Technical card

Imaging telescopes or lenses: Astro Tech AT66ED

Imaging cameras: Canon T1i Full Spectrum

Mounts: Celestron CG-4 MotorDrive

Guiding telescopes or lenses: MEADE 50mm Finder Guidescope

Guiding cameras: ZWO ASI120MM

Focal reducers: Astro Tech 0.8x Reducer/Flattener

Software: Open Guiding PHD2 Guiding  ·  RegiStar  ·  DeepSky Stacker (DSS) DSS 3.3.2  ·  Adobe Photoshop CS4 Photoshop CS4  ·  Stark Labs Nebulosity Nebulosity 2.1.2

Filters: Orion SkyGlow Imaging Filter


Dates:March 3, 2019

Frames: 120x70"

Integration: 2.3 hours

Avg. Moon age: 26.71 days

Avg. Moon phase: 8.75%


Basic astrometry details

Astrometry.net job: 2583662

RA center: 5h 44' 35"

DEC center: -1° 17' 38"

Pixel scale: 2.963 arcsec/pixel

Orientation: 80.865 degrees

Field radius: 3.771 degrees


Resolution: 1824x1339

Data source: Backyard

Description

Mosaic of 4 different panels over 4 nights, each with roughly the same exposure.

Comments

Sky plot

Sky plot

Histogram

The Horsehead and Casper Nebulae, 



    
        

            William Maxwell

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