Hemisphere:  Northern  ·  Constellation: Auriga (Aur)
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Comet C/2020 M3 ATLAS, 


            José J. Chambó
Comet C/2020 M3 ATLAS
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Technical card

Imaging telescopes or lenses: Planewave 17" CDK

Imaging cameras: FLI Proline 6303E

Software: PixInsight 1.8

Dates:Dec. 22, 2020

Frames: 1x180"

Integration: 0.1 hours

Avg. Moon age: 7.83 days

Avg. Moon phase: 54.78%

Basic astrometry details

Astrometry.net job: 4197629

RA center: 5h 15' 14"

DEC center: +41° 54' 18"

Pixel scale: 2.450 arcsec/pixel

Orientation: 1.114 degrees

Field radius: 0.491 degrees

Resolution: 1200x800

Data source: Unknown


C/2020 M3 (ATLAS) @ 2020 December 22, 07:19 UT

Comet C/2020 M3 (ATLAS) imaged on December 22, 2020, located in the area of the Milky Way on the constellation Auriga and passing over the ionized hydrogen area Sh 2-223 that is seen in this image as reddish clouds in background. The comet contrasts with a 2.5 arc-minute greenish-white coma and a short dust tail to the southwest.

Data and link to image:


Sky plot

Sky plot


Comet C/2020 M3 ATLAS, 


            José J. Chambó