Contact information

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

Ursa Astronomical Association

Observation start Observation site Phenomenon Visibility Observer Team
18.8.2015 at 00.12 Espoo & Vantaa   Solar system Perseids IV

5

Janne Sievinen
Pentti Arpalahti
Ursa (Helsinki)
19.8.2020 at 01.55 Tampere   Northern lights Active aurora band III Pentti Arpalahti
Kari A. Kuure
Emma Bruus
Tampereen Ursa
20.7.2012 at 01.57 Helsinki   Fireballs A fireball at night, brigter than the venus III Pentti Arpalahti
3.8.2013 at 01.16 Helsinki   Fireballs A fireball in a twilight sky IV

4

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

1

Pentti Arpalahti
5.8.2014 at 01.52 Helsinki   Fireballs A fireball in a twilight sky IV Pentti Arpalahti
9.8.2014 at 01.13 Helsinki   Fireballs A fireball in a twilight sky IV Pentti Arpalahti
12.9.2015 at 00.22 Helsinki   Fireballs A fireball at night, brigter than the venus III

2

Pentti Arpalahti
17.3.2013 at 20.04 Helsinki   Northern lights Half-sky auroras IV Pentti Arpalahti
16.8.2013 at 00.38 - 01.30 Helsinki   Northern lights Quiet aurora arc II

1

Pentti Arpalahti
23.8.2013 at 01.08 - 01.53 Helsinki   Northern lights Active aurora band III Pentti Arpalahti
28.8.2013 at 00.00 - 00.40 Helsinki   Northern lights Quiet aurora arc II Pentti Arpalahti
2.9.2013 at 00.21 - 00.50 Helsinki   Northern lights Northern lights I

1

Pentti Arpalahti
7.9.2013 at 00.54 - 01.30 Helsinki   Northern lights Diffuse glow I Pentti Arpalahti
3.10.2013 at 02.07 - 02.30 Helsinki   Northern lights Auroras seen through breaks in the clouds II Pentti Arpalahti
14.10.2013 at 23.35 - 00.10 Helsinki   Northern lights Active aurora band III Pentti Arpalahti
30.10.2013 at 23.25 - 23.44 Helsinki   Northern lights Active aurora band III Pentti Arpalahti
20.8.2014 at 00.07 - 00.24 Helsinki   Northern lights Auroras seen through breaks in the clouds II Pentti Arpalahti
12.9.2014 at 23.00 - 23.50 Uppsala   Northern lights Aurora rays II Pentti Arpalahti
30.9.2014 at 23.58 Maarianhamina, Ahvenanmaa   Northern lights Quiet aurora band II Pentti Arpalahti
Search result contains observations from time period 1.1.2000 klo 00.00 - 22.5.2022 klo 7.33.