Hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  California nebula  ·  NGC 1499  ·  The star 50Per  ·  The star ξPer
California Nebula (NGC 1499) (Ha + RGB), 


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

Technical card

Imaging telescopes or lenses: Canon EF 200mm f/2.8L II USM

Imaging cameras: Canon EOS Rebel T3i

Mounts: Celestron CGEM Hypertuned

Guiding telescopes or lenses: Orion ShortTube 80

Guiding cameras: Orion StarShoot Autoguider

Software: Sequence Generator Pro  ·  DeepSkyStacker  ·  Photoshop CS6

Filters: Astronomik 6nm Ha Clip-In Filter  ·  One-Shot Color

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

Astronomik 6nm Ha Clip-In Filter: 137x300" (11h 25') ISO1600
One-Shot Color: 40x180" (2h) ISO1600

Integration: 13h 25'

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

Basic astrometry details

Astrometry.net job: 481492

RA center: 04h02m39s.1

DEC center: +36°1134

Pixel scale: 6.361 arcsec/pixel

Orientation: 88.407 degrees

Field radius: 3.440 degrees

Resolution: 620x750

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.


Sky plot

Sky plot


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


            Scott Davis