Hemisphere:  Southern  ·  Contains:  48 sig Ori  ·  50 zet Ori  ·  Alnitak  ·  B33  ·  Flame Nebula  ·  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  IC431  ·  IC432  ·  IC434  ·  IC435  ·  NGC 2023  ·  NGC 2024  ·  NGC2023  ·  NGC2024  ·  Orion B  ·  Sh2-277  ·  The star Alnitak (ζOri)  ·  The star σOri  ·  VdB51
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HorseHead nebula widefield in Ha, 



    
        

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HorseHead nebula widefield in Ha

Imaging telescopes or lenses: Takahashi FSQ85-EDX

Imaging cameras: ZWO ASI294MM Pro

Mounts: Paramount MX +

Guiding telescopes or lenses: Takahashi FSQ85-EDX

Focal reducers: Takahashi 0.73x CRS Reducer

Software: Main Sequence Software Seqence Generator Pro 3  ·  Pixinsight  ·  PHD2

Filters: Antlia SII 3.5nm 1.25"  ·  Antlia OIII 3.5nm 1.25"  ·  Antlia Ha 3.5nm 1.25"

Accessory: ZWO Off Axis Guider  ·  Starizona Microtouch Autofocuser  ·  Pegasus Astro Ultimate Powerbox v2  ·  Interactive Astronomy SkyRoof  ·  Intel NUC i7  ·  Interactive Astronomy SkyEye  ·  Interactive Astronomy Sky Alert  ·  SkyShed Roll-off


Dates:Dec. 8, 2020

Frames: 48x300"

Integration: 4.0 hours

Avg. Moon age: 22.65 days

Avg. Moon phase: 44.69%


Astrometry.net job: 4076853

RA center: 5h 39' 48"

DEC center: -2° 17' 25"

Pixel scale: 2.890 arcsec/pixel

Orientation: -71.357 degrees

Field radius: 1.936 degrees


Resolution: 4004x2690

Locations: JRO - Home Observatories, Milford, New Jersey, United States

Data source: Backyard

Description

Here is the Horsehead nebula in Ha. 4 hours @ f/3.8 with an Antila 3.5nm filter on my Takahashi FSQ85ED taken over a couple of nights, December 1-8, 2020. The Ha was so beautiful in black and white I had to clean it up as a standalone image. I hope you like it.

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tommax1
Tom's Pics
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HorseHead nebula widefield in Ha, 



    
        

            Tom's Pics