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Contains:  California nebula, NGC 1499, The star ξPer
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California Nebula in HA/SII/RGB, 


            Tristan Campbell
California Nebula in HA/SII/RGB
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California Nebula in HA/SII/RGB

Technical card

Dates:Jan. 20, 2020Jan. 21, 2020

ZWO 1.25" Sii: 60x300"
ZWO H-alpha 7nm: 52x300"
ZWO LRGB, 1.25": 30x120"

Integration: 10.3 hours

Darks: ~50

Flats: ~50

Avg. Moon age: 25.72 days

Avg. Moon phase: 15.76%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 3196465

RA center: 4h 0' 12"

DEC center: +36° 30' 46"

Pixel scale: 1.413 arcsec/pixel

Orientation: 94.330 degrees

Field radius: 1.122 degrees

Resolution: 4606x3387

Locations: Home, Harrogate, North Yorkshire, United Kingdom

Data source: Backyard



Tristan Campbell
License: None (All rights reserved)

Sky plot

Sky plot


California Nebula in HA/SII/RGB, 


            Tristan Campbell