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Contains:  The star 95Cet, The star 94Cet
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Comet 46P/Wirtanen, 


            José J. Chambó
Comet 46P/Wirtanen

Technical card

Imaging telescope or lens:FSQ-106ED

Software:MaximDL5PixInsight 1.8

Resolution: 1500x1000

Dates:Dec. 10, 2018

Frames: 6x120"

Integration: 0.2 hours

Avg. Moon age: 2.95 days

Avg. Moon phase: 9.50% job: 2429444

RA center: 3h 14' 53"

DEC center: +0° 23' 20"

Pixel scale: 9.345 arcsec/pixel

Orientation: 90.369 degrees

Field radius: 2.340

Locations: Mayhill - New Mexico (USA), Mayhill, New Mexico, United States

Data source: Amateur hosting facility

Remote source: iTelescope


46P/Wirtanen @ December 10,2018 06:16 UT

Comet 46P/Wirtanen shows in this wide field image taken on December 10th 2018 a huge coma with 1.5 degrees of angular size, three times the size of Moon seen from Earth. With a global integrated brightness at least in magnitude 4, as reference the brightest star to right is 94 Ceti with magnitude 5. The inner coma contrasts exhibing a whitish color, also the faint tail toward northeast (to down-left). The field appears scattered with tiny galaxies, some visible through comet atmosphere.

Acquisition details:
Telescope Takahashi FSQ-106ED f/5.0.
Camera SBIG STL-11000M.
15 min. total exposure.
Remotely from Mayhill, New Mexico (USA).

José J. Chambó (

More info at 



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

Sky plot

Sky plot


Comet 46P/Wirtanen, 


            José J. Chambó

In these public groups

Comets Imaging