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

Ursa Astronomical Association

Telescopic comet Schwassmann-Wachmann 3 - 26.3.2022 at 22.02 - 26.3.2022 at 22.24 Orimattila, Artjärvi, Tähtikallio Observation number 106326

Visibility I / V


The 73P / Schwassmann-Wachmann 3 comet was filmed on the second night of March 2022. The comet was discovered on May 2, 1930 by German scientists Friedrich Carl Arnold Schwassmann and Arno Arthur Wachmann at the Berlin Observatory. comet 73P is the parent body of the Tau Herculids meteor flock. Source Wikipedia https://en.wikipedia.org/wiki/73P/Schwassmann–Wachmann . In Perihel, the comet is August 22, 2022.

1Picture. stacked 1-11 images L120s sum of the stars, motion is shown. No asteroids less than 22.0 mag in the picture.

2Picture. stack of images 1-2 measured, 2022-03-26T 19: 02: 40UT 2459665.29351JDUT 09h56m08.17s + 32d01'43.8 "N18.302mag Std Dev 64.450 SNR9.239 FWHM-", JPL Horizon 19: 02: 40UT 09h56m08.29s + 32d01'42.9 "T17.217mag.

3Picture. last image measured, 2022-03-26UT 19: 23: 35UT 2459665.30804JDUT 09h56m07.27s + 32d01'44.0 "N18.058mag Std Dev 44.794 SNR6.323 FWHM4.253", JPL Horizon 19: 23: 35UT 09h56m07.25s + 32d01 '43 .5 "T17.217mag.

TYC 2500-1480-1 12.04mag stars used to calibrate brightness measurement.



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Additional information
  • Observation target
    • Comet
  • Title for the comet
    • Telescopic comet
  • Name of the observation target
    • 73P/ Schwassmann-Wachmann 3
Technical information

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

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