Hemisphere:  Northern  ·  Contains:  California Nebula  ·  California nebula  ·  NGC 1499  ·  NGC1499  ·  Sh2-220
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The center of SH2-220, 



    
        

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The center of SH2-220

Imaging telescopes or lenses: Skywatcher Explorer 150/750 PDS

Imaging cameras: ZWO ASI 1600 MM Pro

Mounts: Skywatcher HEQ5 PRO

Guiding telescopes or lenses: APM 80/328mm

Guiding cameras: ZWO ASI 120 mini

Focal reducers: TS Maxfield Komakorrektor

Software: Adobe Phosotshop CC  ·  Pixinsight

Filters: ZWO Ha 36mm  ·  ZWO S-II 36mm  ·  ZWO O-III 36mm

Accessory: Ekos/INDI, Stellarmate OS  ·  Deep Sky Dad AF3 AutoFocuser  ·  ZWO EFW 36mm


Dates:Nov. 24, 2020

Frames:
ZWO Ha 36mm: 25x300" (gain: 0.00) -20C bin 1x1
ZWO O-III 36mm: 25x300" (gain: 0.00) -20C bin 1x1
ZWO S-II 36mm: 25x300" (gain: 0.00) -20C bin 1x1

Integration: 6.2 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Bias: ~30

Avg. Moon age: 9.48 days

Avg. Moon phase: 71.61%

Bortle Dark-Sky Scale: 4.00


Astrometry.net job: 4035742

RA center: 4h 0' 43"

DEC center: +36° 39' 9"

Pixel scale: 1.099 arcsec/pixel

Orientation: -89.901 degrees

Field radius: 0.839 degrees


Resolution: 4370x3340

Locations: Heimsternwarte, Westendorf, Bayern, Germany

Data source: Backyard

Description

Because of massive guiding issues, only 75 good subs (of 120 subs)

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pmneo
pmneo
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The center of SH2-220, 



    
        

            pmneo