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Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Binocular comet ATLAS - 26.3.2022 at 00.00 - 26.3.2022 at 00.21 Orimattila, Artjärvi, Tähtikallio Observation number 106106

Visibility III / V


The comet on the C / 2019 L3 (ATLAS) orbital (the farthest point of the orbit> 10000au perhaps parabolic) orbit was filmed on the first night of the March 2022 work. The comet was discovered by the Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program ATLAS-HKO Observatory (T05 ATLAS-HKO, Haleakala) as an asteroid on 10 June 2019. The perimeter had a comet on January 9, 2022. 2.581au January 6, 2022. We have also filmed this comet in the February campaigns.

1Picture. stacked 1-11 images L120s sum of the stars, motion is indistinguishable. Asteroid ((3481) Xianglupeak 17.152mag, motion not shown. No other asteroids less than 19.8mag in the image.

2Picture. Stacked 1-1 images of L120s sum view by comet.

3Picture. Same stack MaximDL Histogram Specification with Gaussian stretching. The central clearing of Koma is displayed. Tail 148 "(2.5 ') at 19 o'clock and comma 55.6".

4Picture. first measured '21 .5 "T12.728mag.

5Picture. last image measured, 2022-02-27UT 21: 21: 13UT 2459664.38973JDUT 06h39m39.32s + 17d29'14.5 "N12.152mag Std Dev 250.436 SNR64.157 FWHM7.349", JPL Horizon 21: 21: 13UT 06h39m39.32s + 17d29 '14 .1 "T12.728mag.

TYC 1333-1221-1 11.73mag stars used to calibrate brightness measurement.



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Additional information
  • Observation target
    • Comet
  • Title for the comet
    • Binocular comet
  • Name of the observation target
    • C/2019 L3 (ATLAS)
  • Tail length
  • 2.5 arc minutes
  • Coma diameter
  • 55.6 kaarisekuntia
Technical information

Alluna RC16, C415 / 3320, Moravian G4-16000EC MkII, filter L, bin3 11 x 120s

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