Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Comet 21P/Giacobini-Zinner, 


            José J. Chambó
Comet 21P/Giacobini-Zinner
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Technical card

Imaging telescopes or lenses: GSO Newton 8" f/4

Imaging cameras: Atik 383L+

Dates:July 9, 2018

Frames: 3x120"

Integration: 0.1 hours

Avg. Moon age: 25.40 days

Avg. Moon phase: 18.13%

Basic astrometry details

Astrometry.net job: 2191562

RA center: 21h 52' 30"

DEC center: +54° 43' 58"

Pixel scale: 4.293 arcsec/pixel

Orientation: 359.021 degrees

Field radius: 0.896 degrees

Resolution: 1200x906

Locations: Vallés - Valencia (Spain), Vallés, Valencia, Spain

Data source: Backyard


This is first image I took of comet 21P/Giacobini-Zinner on July 9th 2018, located over background of the Milky Way star-full between constellation Cepheus and Lacerta. Around its condensed coma can be seen an external coma much more faint with intense green color with 6' angular diameter, also can ve seen a small tail about 6' lenght toward southwest.

Telescope GSO 8" N f/3.8 & Camera Atik 383L+.
9 min. total exposure.
From Vallés, Valencia (Spain).

More info at Cometografia.es 


Sky plot

Sky plot


Comet 21P/Giacobini-Zinner, 


            José J. Chambó

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