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
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
15.10.2014 at 01.50 - 01.54 Helsinki   Northern lights Aurora rays II

2

Pentti Arpalahti
17.2.2015 at 02.35 - 02.40 Helsinki   Northern lights Quiet aurora arc II Pentti Arpalahti
Search result contains observations from time period 1.1.2000 klo 00.00 - 22.5.2022 klo 7.33.