Contains: Comet, IC 357, The star 39Tau, The star 37Tau
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Comet C/2017 O1 ASASSN

Technical card

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

Imaging camera: Atik 383L+

Resolution: 1200x900

Dates: Sept. 18, 2017

Frames: 3x120"

Integration: 0.1 hours

Avg. Moon age: 27.75 days

Avg. Moon phase: 3.54% job: 1736865

RA center: 61.546 degrees

DEC center: 22.153 degrees

Pixel scale: 4.293 arcsec/pixel

Orientation: 359.154 degrees

Field radius: 0.894 degrees

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


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 



José J. Chambó

Sky plot

Sky plot


Comet C/2017 O1 ASASSN, 


        José J. Chambó

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