Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Pickering's Triangle in Ha/OIII, 



    
        

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Pickering's Triangle in Ha/OIII
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Pickering's Triangle in Ha/OIII

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Pickering's Triangle in Ha/OIII, 



    
        

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Pickering's Triangle in Ha/OIII
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Pickering's Triangle in Ha/OIII

Technical card

Imaging telescopes or lenses: Williams Optics Zenithstar 105 ED Triplet APO

Imaging cameras: ZWO ASI1600mm Pro Cooled

Mounts: Orion Atlas AZ/EQ Pro

Guiding telescopes or lenses: Williams Optics Zenithstar 105 ED Triplet APO

Guiding cameras: QHY5L-II-M

Focal reducers: William Optics 0.8x Reducer/Flattener Flat6A II

Software: Adobe Phosotshop CC  ·  KStars Ekos/INDI, Stellarmate OS  ·  Adobe Lighroom CC Classic  ·  PixInsight 1.8

Filters: Astronomik OIII 31mm 6nm  ·  Astronomik Ha 31mm 6nm

Accessory: Hotech SCA Field Flatener


Dates:Aug. 13, 2019

Frames:
Astronomik Ha 31mm 6nm: 118x480" (15h 44') (gain: 139.00) -25C
Astronomik OIII 31mm 6nm: 108x480" (14h 24') (gain: 139.00) -25C

Integration: 30h 8'

Darks: 25

Flats: 25

Bias: 21

Avg. Moon age: 12.94 days

Avg. Moon phase: 96.27%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 2880469

RA center: 20h49m07s.4

DEC center: +31°3932

Pixel scale: 1.325 arcsec/pixel

Orientation: 354.137 degrees

Field radius: 0.897 degrees


Resolution: 3445x3445

Data source: Backyard

Description

Pickering's Triangle in bicolor narrowband (Ha/OIII) taken in Silicon Valley during the nights of 8/13 - 8/17/2019.

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    Original
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    Pickering's Triangle in Ha/OIII, 



    
        

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    B

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Pickering's Triangle in Ha/OIII, 



    
        

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SF Bay Area Imagers