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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

1322 Coppernicus - 16.9.2021 at 21.16 - 16.9.2021 at 21.37 Orimattila, Artjärvi, Tähtikallio Observation number 101697

Visibility II / V

Kari Laihia, Porin Karhunvartijat

1322 The inner asteroid of the main zone of Coppernicus (1934 LA) was photographed on the first night of the September 2021 castings. The asteroid was discovered by the German astronomer Karl Wilhelm Reinmuth at the Heidelberg Observatory on June 15, 1934. The asteroid is named Nicolaus Copernicus. Nikolaus Copernicus is the founder of the current planetary astronomy. Source Wikipedia .

The size of the asteroid is 9.99km and the rotation speed is 4.354h / r. Spectrum type spec_T => S. When photographed, the asteroid was at a distance of 1,227au. Description

occurred in near semi-cloudy weather with the cloud boards following each other, hence the stretches in the 60s and squares in the 20 series, respectively.

1Picture. The first picture in the series1 L60s measured, 2021-09-16UT 18: 16: 15UT 2459474.26128JDUT 20h37m36.71s + 23d37'20.1 "15.610mag Std Dev 109.190

SNR10.264 FWHM2.520 ", JPL Horizon 18: 16: 15UT 20h37m36.69s + 23d37'19.9" 15.424mag.

2Picture. the last measurable image in the series18 L60s measured, 2021-09-16UT 18: 36: 54UT 2459474.27410JDUT 20h37m36.67s + 23d37'11.5 "

16.484mag Std Dev 44.937 SNR1.699 FWHM3.842 ", JPL Horizon 18: 36: 54UT 20h37m36.69s + 23d37'11.1" 15.424mag.

3Picture sum view of L60s 1-20 stack of images, motion not displayed. There are no other asteroids below 24.0mag in the picture. Used to calibrate the brightness measurement

TYC 2159-319-1-534-1 v. 11.86mag stars.

Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • 1322 Coppernicus
  • Seeing
    • Bad
Technical information

Alluna RC16, C415 / 3320, Moravian G4-16000EC MkII, filter L, bin3 20 x 60s

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