Contact information

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

Ursa Astronomical Association

0 observations and 0 comments in queue.

Perseids - 18.8.2015 at 00.12 Espoo & Vantaa
Janne Sievinen, Pentti Arpalahti, Ursa (Helsinki)

5

Active aurora band - 19.8.2020 at 01.55 Tampere
Pentti Arpalahti, Kari A. Kuure, Emma Bruus, Tampereen Ursa

0

A fireball in a twilight sky - 3.8.2013 at 01.16 Helsinki
Pentti Arpalahti

4

A fireball in a twilight sky - 7.8.2013 at 01.47 Helsinki
Pentti Arpalahti

1

A fireball in a twilight sky - 5.8.2014 at 01.52 Helsinki
Pentti Arpalahti

0

A fireball at night, brigter than the venus - 12.9.2015 at 00.22 Helsinki
Pentti Arpalahti

2

Half-sky auroras - 17.3.2013 at 20.04 Helsinki
Pentti Arpalahti

0

Quiet aurora arc - 16.8.2013 at 00.38 - 01.30 Helsinki
Pentti Arpalahti

1

Active aurora band - 23.8.2013 at 01.08 - 01.53 Helsinki
Pentti Arpalahti

0

Quiet aurora arc - 28.8.2013 at 00.00 - 00.40 Helsinki
Pentti Arpalahti

0

Northern lights - 2.9.2013 at 00.21 - 00.50 Helsinki
Pentti Arpalahti

1

Diffuse glow - 7.9.2013 at 00.54 - 01.30 Helsinki
Pentti Arpalahti

0

Auroras seen through breaks in the clouds - 3.10.2013 at 02.07 - 02.30 Helsinki
Pentti Arpalahti

0

Active aurora band - 14.10.2013 at 23.35 - 00.10 Helsinki
Pentti Arpalahti

0

Active aurora band - 30.10.2013 at 23.25 - 23.44 Helsinki
Pentti Arpalahti

0

Auroras seen through breaks in the clouds - 20.8.2014 at 00.07 - 00.24 Helsinki
Pentti Arpalahti

0

Aurora rays - 12.9.2014 at 23.00 - 23.50 Uppsala
Pentti Arpalahti

0

Quiet aurora band - 30.9.2014 at 23.58 Maarianhamina, Ahvenanmaa
Pentti Arpalahti

0

Aurora rays - 15.10.2014 at 01.50 - 01.54 Helsinki
Pentti Arpalahti

2

Quiet aurora arc - 17.2.2015 at 02.35 - 02.40 Helsinki
Pentti Arpalahti

0

Search result contains observations from time period 1.1.2000 klo 00.00 - 22.5.2022 klo 7.33.