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Hemisphere:  Northern  ·  Contains:  Blinking planetary, NGC6826, PGC2370101, PGC63573, PK083+12.1
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NGC 6826 - The Blinking Planetary, 



    
        

            Peter Goodhew
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NGC 6826 - The Blinking Planetary

Imaging telescopes or lenses: APM Telescopes TMB - LZOS Apo refractor 152/1200

Imaging cameras: QSI 6120wsg-8

Mounts: 10Micron GM2000HPS II

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Filters: Astrodon Lum  ·  Astrodon Blue  ·  Green  ·  Red  ·  Astrodon SII 5nm  ·  Astrodon OIII 3 nm  ·  Astrodon 5nm H-Alpha filter


Frames:
Astrodon 5nm H-Alpha filter: 25x1800" bin 1x1
Astrodon Blue: 15x300" bin 1x1
Green: 16x300" bin 1x1
Astrodon Lum: 20x300" bin 1x1
Astrodon OIII 3 nm: 178x120" bin 1x1
Astrodon OIII 3 nm: 20x1800" bin 1x1
Astrodon OIII 3 nm: 120x30" bin 1x1
Astrodon OIII 3 nm: 12x600" bin 1x1
Red: 20x300" bin 1x1

Integration: 37.3 hours


Astrometry.net job: 3699403

RA center: 19h 44' 47"

DEC center: +50° 31' 53"

Pixel scale: 0.533 arcsec/pixel

Orientation: -6.580 degrees

Field radius: 0.346 degrees


Resolution: 3985x2431

Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

NGC 6826 is known as The Blinking Planetary. This stems from the faintness of the outer shell which is only visible when using averted vision. It is also known as Caldwell 15. With this image I wanted to tease out the structure of the shell, by combining both Ha and OIII data. The OIII signal is the stronger of the two, hence the resulting teal colour.

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Author

PeterGoodhew
Peter Goodhew
License: None (All rights reserved)
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NGC 6826 - The Blinking Planetary, 



    
        

            Peter Goodhew