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

Ursa Astronomical Association

(90075) 2002 VU94 - 17.7.2017 at 00.56 - 17.7.2017 at 01.15 Orimattila, Artjärvi, Tähtikallio Observation number 66063

Visibility II / V

Kari Laihia, Hannu Määttänen, Porin Karhunvartijat

90075 2002 VU94 was filmed in connection with the July work on the third night, also filmed the night before. Other information about the object from the previous observation http://www.taivaanvahti.fi/observations/show/65851 . Figure 1. sum of 50X15s exposure, shows fast motion. .
TYC 3260-329-1 11.96 mag was used as a reference star in the brightness measurement.
Picture2 00:56:40 00h 28m 32.69s + 52d 07 '07.5 "15.06mag
Figure 3. 00:59:50 00h 28m 32.09s + 52d 07 '01.9 "14.994mag.
Figure 4. 00:03:43 00h 28m 31.51s + 52d 06 '54.4 "15.375mag.
Figure 5. 01:15:36 00h 28m 29.93s + 52d 06 '35.9 "15.02mag Horizon 01:00:00 00h 28m 32.12s + 52d 07' 01.8" 14.98mag.

This and the observation of the previous evening can be used, for example, as the first material for determining the orbit of an asteroid. Who does it first? :).


Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • (90075) 2002 VU94
    • Heikosti näkyvä
  • Seeing
    • Mediocre
Technical information

Alluna RC16, C415 / 3320, SBIG 1001E, filter L, 50 x 15s

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