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I agreeImaging telescope or lens:APM Telescopes TMB - LZOS Apo refractor 152/1200
Imaging camera:QSI 6120wsg-8
Mount:10Micron GM2000HPS II
Guiding camera:Starlight Xpress Lodestar Autoguider X2
Resolution: 4152x2718
Dates:Oct. 25, 2018
Frames:
Astrodon 5nm H-Alpha filter: 21x1800" bin 1x1
Astrodon Blue: 20x300" bin 1x1
Astrodon Green: 20x300" bin 1x1
Astrodon Red: 20x300" bin 1x1
Integration: 15.5 hours
Avg. Moon age: 15.57 days
Avg. Moon phase: 99.27%
Astrometry.net job: 2396036
RA center: 4h 9' 18"
DEC center: +30° 46' 44"
Pixel scale: 0.534 arcsec/pixel
Orientation: 107.524 degrees
Field radius: 0.368
Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain
Data source: Own remote observatory
Remote source: IC Astronomy Observatories
NGC 1514 is a planetary nebula in the constellation Taurus that was discovered by William Herschel on November 13, 1790, describing it "A most singular phaenomenon" and forcing him to rethink his ideas on the construction of the heavens. Up until this point Herschel was convinced that all nebulae consisted of masses of stars too remote to resolve, but now here was a single star "surrounded with a faintly luminous atmosphere." He went on to conclude "Our judgement I may venture to say, will be, that the nebulosity about the star is not of a starry nature".
It has since been conjectured that the nebula in fact envelops a tightly orbiting double star with a period of up to 10 days. Gas is presumably expanding away from the larger star of the pair.
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