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Contains:  California nebula, NGC 1499, The star 50Per, The star ξPer
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California Nebula (NGC 1499) (Ha + RGB), 


            Scott Davis
California Nebula (NGC 1499) (Ha + RGB)

California Nebula (NGC 1499) (Ha + RGB)

Technical card

Resolution: 2481x3000

Dates:Dec. 23, 2014Dec. 25, 2014Dec. 26, 2014

Astronomik 6nm Ha Clip-In Filter: 137x300" ISO1600
One-Shot Color: 40x180" ISO1600

Integration: 13.4 hours

Darks: ~20

Flats: ~40

Flat darks: ~40

Bias: ~40

Avg. Moon age: 3.43 days

Avg. Moon phase: 14.42%

Bortle Dark-Sky Scale: 5.33 job: 481492

RA center: 60.663 degrees

DEC center: 36.193 degrees

Pixel scale: 6.361 arcsec/pixel

Orientation: 88.407 degrees

Field radius: 3.440 degrees

Locations: My Backyard, Clovis, California, United States; Big Stump, Kings Canyon National Park, CA, United States


The California Nebula, catalogued as NGC 1499, is an emission nebula located in the constellation Perseus, and is estimated to be relatively close to Earth as a distance of just 1,000 light years. The brightest star in the photograph, just above center, is responsible for the fluorescence of the hydrogen gas in the nebula.

RGB data was captured from the Big Stump parking lot in Kings Canyon National Park. H-Alpha data was captured from my backyard in Clovis, California.



Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


California Nebula (NGC 1499) (Ha + RGB), 


            Scott Davis