Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

1573 Vaisala - 23.9.2018 at 22.50 - 23.9.2018 at 23.26 Tampere Observation number 77890

Visibility III / V

Tapio Lahtinen, Tampereen Ursa

The asteroid named after Yrjö Väisälä is 9 km in size and belongs to the Phocaea family (collision asteroids).
The Väisälä asteroid is one of the slowest observed rotators - its rotation period is 252 hours.

Additional information
  • Observation target
    • Asteroid
  • Name of the observation target
    • 1573 Vaisala
    • Keskitaso
Technical information

C8 @ 1100mm, SXV-694, 15 x 2 min, bin2, L

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