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Contact information

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

Ursa Astronomical Association

(17614)1995 UT7 - 25.9.2017 at 03.32 - 25.9.2017 at 03.43 Orimattila, Artjärvi, Tähtikallio Observation number 98716

Visibility I / V


(17614) 1995 UT7 (1995 UT7) The asteroid on the outer edge of the main zone was photographed on the Sunday of the September 2017 DS weekend. When we photographed Finland 100 asteroids 1496 Turku this came according to the picture. The asteroid was discovered by Italian amateur astronomers Paolo Chiavenna and Piero Sicoli on October 27, 1995 at the Sormano Observatory. Astronomer Piero Sicoli is the Nero asteroid coordinator at the Sormano Observatory for identification
and orbit tracking, he has found a total of 43 asteroids. Source Wikipedia https://en.wikipedia.org/wiki/Piero_Sicoli . Active Paolo Chiavenna has found a total of 15 asteroids in Sormano, source Wikipedia https://en.wikipedia.org/wiki/Paolo_Chiavenna . Sormano
the observatory is located in northern Milan near the Swiss border at an altitude of 1000m in the alpine village of Sormano. We have previously described the asteroid they found (31254) 1998 DK23. The size of the asteroid is 5.36km and the rotation speed is 7.17277h / r. When photographed, the asteroid was at a distance of 2,488au and the closest on November 29, 2017 to 1,989au.
1Picture. first picture measured, 2017-09-25T 00: 33: 24UT 2458021.52319JDUT 04h51m49.45s + 25d17'09.8 "19.265mag Std Dev 83.524 SNR4.983 FWHM5.067", JPL Horizon 00: 33: 24UT 04h51m49.43s + 25d17 ' 09.4 "19.223 mag.
2Picture. last image measured, 2017-09-25UT 00: 43: 53UT 2458021.53047JDUT 04h51m49.68s + 25d17'09.2 "19.319mag Std Dev 81.059 SNR4.123 FWHM-", JPL Horizon 00: 43: 53UT 04h51m49.61s + 25d17'09.2 "19.223 mag.
3Picture. Summary image of the stack, motion not visible. Asteroid 1496 Turku 16.8mag, motion shown. No other asteroids below 20.3mag. USNO-A 04h50m55s + 25d25'42 "r.13.6mag stars used to calibrate brightness measurement.


Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • (17614)1995 UT7
    • Erittäin heikosti näkyvä
  • Seeing
    • Good
Technical information

Alluna RC16, C415 / 3320, SBIG 1001E, filter L, 6 x 120 s

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