Getting plate-solving status, please wait...
NGC 1499 • California Nebula in SHO, 



    
        

            Douglas J Struble

NGC 1499 • California Nebula in SHO

Getting plate-solving status, please wait...
NGC 1499 • California Nebula in SHO, 



    
        

            Douglas J Struble

NGC 1499 • California Nebula in SHO

Technical card

Imaging telescopes or lenses: Stellarvue SV70T

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Orion Atlas Pro AZ/EQ-G

Guiding telescopes or lenses: Stellarvue 50mm Guidescope

Guiding cameras: ASI224MC

Focal reducers: Stellarvue SV70T Focal Reducer

Software: Photoshop CC  ·  PHD2  ·  Sequence Generator Pro  ·  PixInsight

Filters: Astronomik SII 1.25" 6nm  ·  Astrodon Ha 5nm  ·  Astrodon OIII 3nm  ·  Astronomik Ha 6nm 1.25''  ·  Astrodon SII 3nm

Accessory: ZWO 8x 1.25" Filter Wheel (EFW)  ·  QHYCCD PoleMaster  ·  MoonLite CFL 2.5" Large Format Focuser


Dates:Jan. 8, 2018Jan. 13, 2018Jan. 18, 2018Dec. 10, 2020Dec. 20, 2020Dec. 31, 2020

Frames:
Astrodon Ha 5nm: 56x240" (3h 44') (gain: 139.00) -20C bin 1x1
Astrodon OIII 3nm: 74x240" (4h 56') (gain: 139.00) -20C bin 1x1
Astrodon OIII 3nm: 160x120" (5h 20') (gain: 200.00) -20C bin 1x1
Astrodon SII 3nm: 56x240" (3h 44') (gain: 139.00) -20C bin 1x1
Astronomik Ha 6nm 1.25'': 223x120" (7h 26') (gain: 200.00) -20C bin 1x1
Astronomik SII 1.25" 6nm: 185x120" (6h 10') (gain: 200.00) -20C bin 1x1

Integration: 31h 20'

Darks: 50

Flats: 50

Bias: 250

Avg. Moon age: 16.03 days

Avg. Moon phase: 37.40%

Bortle Dark-Sky Scale: 8.00


Basic astrometry details

Astrometry.net job: 4174660


Resolution: 3324x2973

Locations: Backyard White Zone Observatory, Taylor, MI, Michigan, United States

Data source: Backyard

Description

With these horrible winter nights here in Michigan, I took a break on capturing fainter objects and decided to revisit NGC 1499; the California Nebula. I captured some new data and combined it with data I captured back in 2018.

The California Nebula (NGC 1499) is an emission nebula located in the constellation Perseus. It is so named because it appears to resemble the outline of the US State of California on long exposure photographs. It is almost 2.5° long on the sky and, because of its very low surface brightness, it is extremely difficult to observe visually. It can be observed with a Hβ filter (isolates the Hβ line at 486 nm) in a rich-field telescope under dark skies. It lies at a distance of about 1,000 light years from Earth. Its fluorescence is due to excitation of the Hβ line in the nebula by the nearby prodigiously energetic O7 star, xi Persei.

Comments

Revisions

  • Final
    NGC 1499 • California Nebula in SHO, 



    
        

            Douglas J Struble
    Original
    NGC 1499 • California Nebula in SHO, 



    
        

            Douglas J Struble
    B

B

Description: June 2021 Astronomy Magazine

Uploaded: ...

Histogram

NGC 1499 • California Nebula in SHO, 



    
        

            Douglas J Struble