Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

2021 VM25 - 24.4.2022 at 00.25 - 24.4.2022 at 00.46 Orimattila, Artjärvi, Tähtikallio Observation number 106849

Visibility III / V

2021 VM25 (2021 VM25) The asteroid Amor NEO was photographed on the second night of April 2022. The cupid asteroid was discovered by the Mount Lemmon Survey on 14 November 2021 at Mount Lemmon Observatory (G96). Size estimate (220 m - 492 m). There is no orbital information about this asteroid. When photographed, the asteroid was at a distance of 0.1018au and the nearest April 10, 2022 0.072au.

1Picture. first image in the series1 L60s measured, 2022-04-23T 21: 25: 32UT 2459693.39273JDUT 12h34m29.26s + 05d01'57.2 "17.408mag Std Dev 162.477 SNR29.364 FWHM3.585", JPL Horizon 21: 25: 32UT 12h34m28.99s + 05d01'56.1 "16,803 mag.

2Picture. last image in the series20 L60s measured, 2022-04-23T 21: 46: 13UT 2459693.40709JDUT 12h34m36.19s + 05d02'28.6 "17.507mag Std Dev 167.086 SNR28.237 FWHM3.154", JPL Horizon 21: 46: 13UT 12h34m35.99s + 05d02'27.3 "16.804mag.

3Picture sum view of L60s 1-20 stack of images, very fast motion is displayed. Asteroid 90471 Andrewdrake 18437, motion shown. Asteroid (83431) 2001 SR47 19,304, motion shown. Asteroid (167433) 2003 WW169 20.069, motion shown .No other asteroids less than 20.8mag in the image.

TYC 292-201-1 v.12.60mag stars used to calibrate the brightness measurement.

Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • 2021 VM25
  • Seeing
    • Excellent
Technical information

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

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