Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  IC 357  ·  The star 37Tau  ·  The star 39Tau
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Comet C/2017 O1 ASASSN, 



    
        

            José J. Chambó
Comet C/2017 O1 ASASSN
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Getting plate-solving status, please wait...
Comet C/2017 O1 ASASSN, 



    
        

            José J. Chambó
Comet C/2017 O1 ASASSN
Powered byPixInsight

Technical card

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

Imaging cameras: Atik 383L+


Dates:Sept. 18, 2017

Frames: 3x120" (6')

Integration: 6'

Avg. Moon age: 27.75 days

Avg. Moon phase: 3.54%


Basic astrometry details

Astrometry.net job: 1736865

RA center: 4h 6' 11"

DEC center: +22° 9' 10"

Pixel scale: 4.293 arcsec/pixel

Orientation: 359.154 degrees

Field radius: 0.894 degrees


Resolution: 1200x900

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

Description

Comet C/2017 O1 ASASSN photographed on September 18th 2017. Comparing this image with I took a month ago is seen as have increased the apparent size of its greenish coma from 7' to 10', and the lenght of its ionic tail from 10' to 20'. Its brightness has slightly increased on same time from magnitude 9 to 8.5 approximately. The brightest star in field is 37 Tauri with magnitude 4,4.

Posted in my Blog Cometografia.es

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Comet C/2017 O1 ASASSN, 



    
        

            José J. Chambó

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