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Comet 21P/Giacobini-Zinner, 


            José J. Chambó
Comet 21P/Giacobini-Zinner

Technical card

Imaging telescope or lens:Astro Works Corporation Centurion 18

Imaging camera:STL-11000M

Resolution: 1200x800

Dates:Aug. 22, 2018

Frames: 129x30"

Integration: 1.1 hours

Avg. Moon age: 11.18 days

Avg. Moon phase: 86.15% job: 2269686

RA center: 55.318 degrees

DEC center: 60.269 degrees

Pixel scale: 3.686 arcsec/pixel

Orientation: 359.816 degrees

Field radius: 0.738 degrees

Locations: Observatorio del Teide, La Orotava, Tenerife, Islas Canarias, Spain

Data source: Professional, scientific grade data


Comet 21P/Giacobini-Zinner imaged on August 22th 2018, regarding image of previous day keeps an external coma of 12' diameter and a internal with 3' although the tail seems slightly more faint.

Centurion 18" CRC f/2.8 & SBIG STL-11000M.
65 min. total exposure.
From Teide Observatory, Canary Islands (Spain).

Credits: José J. Chambó Bris / Miquel Serra-Ricart / Javier Licandro / TAR2 (Teide Observatory, IAC)

More info at 



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

Sky plot

Sky plot


Comet 21P/Giacobini-Zinner, 


            José J. Chambó

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Comets Imaging