Hemisphere:  Southern  ·  Constellation: Columba (Col)  ·  Contains:  NGC 2090
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Two sibling comets approaching to Earth, 


            José J. Chambó
Two sibling comets approaching to Earth
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Two sibling comets approaching to Earth

Technical card

Imaging telescopes or lenses: FSQ-106ED

Imaging cameras: STL-11000M

Dates:March 2, 2016

Frames: 2x240" (8')

Integration: 8'

Avg. Moon age: 22.65 days

Avg. Moon phase: 44.70%

Basic astrometry details

Astrometry.net job: 988771

RA center: 05h47m53s.8

DEC center: -33°4312

Pixel scale: 6.992 arcsec/pixel

Orientation: -89.036 degrees

Field radius: 1.400 degrees

Resolution: 620x413

Locations: Siding Spring - NSW (Australia), Siding Spring Observatory, New South Wales, Australia


Comets 252P/LINEAR and P/2016 BA14 (PANSTARRS) imaged on March 2nd 2016, separated by only 1.5 degrees seem very differents: the 252P with a enormous and greenish gassy envelope while the 2016-BA14 is just a tiny mote between stars, nonetheless the similitude of its orbits seem reveal that really are fragments of a unique comet. Both are approaching to Earth, being its minimum distance 0.036 and 0.024 AU between March 21 and 22 (14 and 9 times the lunar distance). Between comets can be viewed the spiral galaxy NGC 2090.

Posted in my Blog Cometografia.es


Sky plot

Sky plot


Two sibling comets approaching to Earth, 


            José J. Chambó

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