Contact information

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

Ursa Astronomical Association

All observations ordered by start time

Observation start Observation site Phenomenon Visibility Observer Team
28.7.2009 at 00.19 - 00.28 Hausjärvi   Rare clouds Bright night shining clouds IV

4

Pentti Arpalahti
5.7.2011 at 00.30 - 01.51 Helsinki   Rare clouds Noctilucent clouds visible between clouds I Pentti Arpalahti
2.8.2011 at 23.37 - 23.55 Helsinki   Rare clouds Noctilucent clouds visible between clouds I Pentti Arpalahti
13.8.2011 at 03.45 - 04.05 Helsinki   Rare clouds Bright night shining clouds IV Pentti Arpalahti
6.6.2012 at 04.15 - 04.20 Helsinki   Other phenomena Ruskosäteet III

3

Pentti Arpalahti
28.6.2012 at 22.24 Helsinki   Other phenomena Primary rainbow IV Pentti Arpalahti
29.6.2012 at 00.45 - 01.45 Helsinki   Rare clouds Clearly visible night shining clouds III

1

Pentti Arpalahti
4.7.2012 at 01.30 Helsinki   Rare clouds Clearly visible night shining clouds III Pentti Arpalahti
12.7.2012 at 00.45 - 02.15 Helsinki   Rare clouds Clearly visible night shining clouds III Pentti Arpalahti
20.7.2012 at 01.57 Helsinki   Fireballs A fireball at night, brigter than the venus III Pentti Arpalahti
20.7.2012 at 02.00 Helsinki   Rare clouds Bright night shining clouds IV Pentti Arpalahti
21.7.2012 at 03.39 Helsinki   Rare clouds Clearly visible night shining clouds III

4

Pentti Arpalahti
27.7.2012 at 00.30 Helsinki   Rare clouds Clearly visible night shining clouds III

2

Pentti Arpalahti
27.7.2012 at 02.08 Helsinki   Rare clouds Dim night shining clouds II Pentti Arpalahti
28.7.2012 at 01.39 Helsinki   Rare clouds Clearly visible night shining clouds III Pentti Arpalahti
28.7.2012 at 02.36 Helsinki   Rare clouds Bright night shining clouds IV Pentti Arpalahti
3.8.2012 at 01.00 Helsinki   Rare clouds Bright night shining clouds IV

2

Pentti Arpalahti
6.8.2012 at 03.09 Helsinki   Rare clouds Clearly visible night shining clouds III

4

Pentti Arpalahti
11.8.2012 at 23.49 Helsinki   Solar system Meteor shower II Pentti Arpalahti
3.9.2012 at 15.43 Helsinki   Other phenomena Väripilviä II Pentti Arpalahti
Search result contains observations from time period 1.1.2000 klo 00.00 - 3.2.2023 klo 22.01.