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Contains:  California nebula, IC2027, NGC 1499, NGC1499, Sh2-220
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California Nebula (NGC 1499), 



    
        

            Gary Lopez
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California Nebula (NGC 1499)

Technical card


Dates:Nov. 25, 2018Dec. 6, 2018Dec. 7, 2018

Frames:
Astrodon Ha 3nm-31mm: 176x180" (gain: 139.00) -15C bin 1x1
Astrodon OIII 3nm-31mm: 126x180" (gain: 139.00) -15C bin 1x1
Astrodon SII 3nm-31mm: 119x180" (gain: 139.00) -15C bin 1x1

Integration: 21.1 hours

Darks: ~30

Bias: ~50

Avg. Moon age: 15.38 days

Avg. Moon phase: 31.36%

Bortle Dark-Sky Scale: 4.00


Astrometry.net job: 3284298

RA center: 4h 3' 10"

DEC center: +36° 21' 41"

Pixel scale: 1.414 arcsec/pixel

Orientation: -76.153 degrees

Field radius: 1.115 degrees


Resolution: 3423x4528

Locations: Monterey Pines Observatory, Monterey, California, United States

Data source: Backyard

Description

This is a reprocessing of data that I captured and posted several months ago. The original processing approach was SHO with a palette focussing on maximizing structural detail. In this version I attempted a "natural" palette using Steve Milne's pixel math formula. While I like the colors of this new approach, I am still drawn to the detailed structure revealed by the original palette and approach. What do you think? Version C is the original SHO approach.

Comments

Author

GWLopez
Gary Lopez
License: None (All rights reserved)
2513
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Revisions

  • California Nebula (NGC 1499), 



    
        

            Gary Lopez
    Original
  • Final
    California Nebula (NGC 1499), 



    
        

            Gary Lopez
    C

C

Description: SHO version

Sky plot

Sky plot

Histogram

California Nebula (NGC 1499), 



    
        

            Gary Lopez