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Contains:  NGC 1514
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NGC1514 Crystal Ball Nebula, 





    
        

            Jerry Macon
NGC1514 Crystal Ball Nebula

NGC1514 Crystal Ball Nebula

Technical card

Resolution: 3504x2424

Dates:Dec. 5, 2018Dec. 10, 2018

Frames:
Astrodon Gen 2 L 36mm: 128x200" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 113x200" (gain: 99.00) -20C bin 1x1

Integration: 13.4 hours

Avg. Moon age: 15.36 days

Avg. Moon phase: 6.47%

Bortle Dark-Sky Scale: 4.00

Temperature: -5.00

Astrometry.net job: 2411984

RA center: 62.316 degrees

DEC center: 30.776 degrees

Pixel scale: 0.701 arcsec/pixel

Orientation: 357.891 degrees

Field radius: 0.415 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

The RGB were taken on the AG12+ASI1600MM at .70 asec/pix, the L on TV127is+ASI183MM at .75 asec/pix. Using L from the TV NP127is refractor effectively eliminates the spikes from the AG12.

NGC 1514 is a planetary nebula 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.
(Wikipedia)

Comments

Author

jmacon
Jerry Macon
License: Attribution Creative Commons
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NGC1514 Crystal Ball Nebula, 





    
        

            Jerry Macon