Imaging telescope or lens:Astro-Physics Riccardi-Honders 305mm
Imaging camera:FLI ML8300
Mount:Paramount ME
Guiding telescope or lens:Astro-Physics Riccardi-Honders 305mm
Guiding camera:FLI ML8300
Filters:Astrodon Narrowband 5mm (Ha, OIII, SII), Astrodon LRGB CCD Gen II E-Series
Resolution: 2000x2000
Dates:Dec. 25, 2017
Frames:
Astrodon LRGB CCD Gen II E-Series: 96x600"
Astrodon Narrowband 5mm (Ha, OIII, SII): 43x1200"
Integration: 30.3 hours
Avg. Moon age: 6.54 days
Avg. Moon phase: 41.10%
Astrometry.net job: 1880563
RA center: 119.462 degrees
DEC center: 53.420 degrees
Pixel scale: 0.995 arcsec/pixel
Orientation: 1.526 degrees
Field radius: 0.391 degrees
Locations: Deep Sky West Observatory, Rowe, MN, United States
Data source: Unknown
Jones-Emberson 1, also known as PK164+31.1, is a beautiful planetary nebula in the constellation Lynx. Some people also call it the headphone nebula for obvious reasons. It resulted from the death of a sun-like star that expanded to a red giant and expelled its outer layers before collapsing to a white dwarf. The picture shows, both, the shells of gas expelled from the giant and a central blue dot, which is the remaining white-dwarf star.
The version A is a two-color narrowband composite from about 14 hours of Ha and OIII data. Version B is a LRGB composite of a total of 16 hours of data, where I use the narrowband data to enhance the luminance channel. Everything taken with the Astro-Physics RH-305 at the Deep Sky West Observatory.
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