Contains:  Comet, The star 5Cam
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Comet C/2017 S3 PANSTARRS, 


            José J. Chambó
Comet C/2017 S3 PANSTARRS

Technical card

Imaging telescope or lens:GSO Newton 8" f/4

Imaging camera:Atik 383L+

Resolution: 1200x906

Dates:July 19, 2018

Frames: 4x120"

Integration: 0.1 hours

Avg. Moon age: 7.06 days

Avg. Moon phase: 46.60% job: 2163461

RA center: 74.172 degrees

DEC center: 55.672 degrees

Pixel scale: 4.292 arcsec/pixel

Orientation: 147.138 degrees

Field radius: 0.896 degrees

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

Data source: Backyard


Comet C/2017 S3 (PANSTARRS) photographed on July 19th 2018, after a second outburst of activity, increased its brightness until magnitude 7 and expanding its greenish coma until a apparent diameter of 8', being observable through binoculars in the sky before dawn and developing a ionic tail which in this image is perceived with at least half degree lenght.

Telescope GSO 8" N f/3.8 & Camera Atik 383L+.
11 min. total exposure. Non-composite stacking.
Locally from Vallés, Valencia (Spain).

More info at 



José J. Chambó
License: None (All rights reserved)

Sky plot

Sky plot


Comet C/2017 S3 PANSTARRS, 


            José J. Chambó

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Comets Imaging