Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  48 sig Ori  ·  50 zet Ori  ·  Alnitak  ·  B33  ·  De Mairan's nebula  ·  Flame Nebula  ·  Great Orion Nebula  ·  Hatysa  ·  Horsehead nebula  ·  IC 420  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC431  ·  IC432  ·  IC434  ·  IC435  ·  Lower Sword  ·  M 42  ·  M 43  ·  M43  ·  Mairan's Nebula  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  And 32 more.
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Horse and Hunter, 



    
        

            north.stargazer
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Horse and Hunter

Imaging telescopes or lenses: William Optics RedCat 51 Petzval APO

Imaging cameras: ZWO ASI2600MC Pro

Mounts: SkyWatcher AZ-GTi (EQ)

Guiding cameras: ZWO ASI120MM mini

Software: TOPAZ Denoise AI  ·  Adobe Photoshop CC  ·  Astro Pixel Processor

Filters: Radian Telescopes 2" Triad Ultra Quad-Band Narrowband Filter

Accessory: ZWO ASIair  ·  ZWO EAF Electronic Auto Focuser


Dates:Nov. 28, 2020Jan. 28, 2021Feb. 16, 2021Feb. 20, 2021Feb. 23, 2021

Frames:
30x180" (gain: 100.00) -10C bin 1x1
Radian Telescopes 2" Triad Ultra Quad-Band Narrowband Filter: 68x180" (gain: 100.00) -20C bin 1x1
Radian Telescopes 2" Triad Ultra Quad-Band Narrowband Filter: 21x300" (gain: 100.00) -20C bin 1x1

Integration: 6.7 hours

Darks: ~30

Flats: ~30

Bias: ~100

Avg. Moon age: 10.16 days

Avg. Moon phase: 71.51%

Bortle Dark-Sky Scale: 8.00


Astrometry.net job: 4254423

RA center: 5h 37' 42"

DEC center: -3° 53' 11"

Pixel scale: 3.135 arcsec/pixel

Orientation: -92.455 degrees

Field radius: 3.113 degrees


Resolution: 6000x3900

Locations: Home Observatory, Mississauga, ON, Canada

Data source: Backyard

Description

This shot of the Orion and Horsehead nebulae originated as some simple unfiltered test images for my (then) new ASI2600MC camera.
A few weeks later, I ordered a Radian Triad Ultra filter and decided to shoot the exact same target.

This is a combination of both data sets. The images were taken between early December 2020 to February 2021. I'm also including a starless version for reference.

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    Horse and Hunter, 



    
        

            north.stargazer
    Original
  • Horse and Hunter, 



    
        

            north.stargazer
    B

B

Description: starless version

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Horse and Hunter, 



    
        

            north.stargazer