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
27.11.2021 at 13.32 Helsinki   Halos One halo form I Pentti Arpalahti
19.10.2021 at 01.00 - 01.36 Helsinki   Northern lights Aurora rays II Pentti Arpalahti
29.9.2021 at 23.06 - 23.50 Enontekiö   Northern lights Quiet aurora arc II Pentti Arpalahti
28.9.2021 at 22.40 - 23.43 Enontekiö   Northern lights Half-sky auroras III Pentti Arpalahti
27.9.2021 at 21.15 Enontekiö   Rare clouds Other special clouds III Pentti Arpalahti
22.9.2021 at 03.14 - 03.21 Helsinki   Northern lights Aurora rays II

2

Pentti Arpalahti
20.9.2021 at 14.57 - 15.19 Helsinki   Halos One halo form I Pentti Arpalahti
14.9.2021 at 13.30 Helsinki   Halos One halo form I Pentti Arpalahti
7.9.2021 at 12.47 Helsinki   Halos One halo form I Pentti Arpalahti
6.9.2021 at 19.34 Helsinki   Halos Several halo forms II Pentti Arpalahti
5.9.2021 at 11.30 Helsinki   Halos One halo form I Pentti Arpalahti
1.9.2021 at 19.32 Helsinki   Other phenomena Primary rainbow III Pentti Arpalahti
16.8.2021 at 02.59 - 03.35 Helsinki   Rare clouds Rare clouds I

9

Pentti Arpalahti
15.8.2021 at 23.03 - 23.22 Helsinki   Rare clouds Negative observation of missing night shining clouds Pentti Arpalahti
13.8.2021 at 00.30 - 01.45 Helsinki   Rare clouds Negative observation of missing night shining clouds Pentti Arpalahti
10.8.2021 at 22.47 - 23.24 Helsinki   Rare clouds Clearly visible night shining clouds III

1

Pentti Arpalahti
8.8.2021 at 15.24 Helsinki   Halos One halo form I Pentti Arpalahti
7.8.2021 at 02.20 - 02.48 Helsinki   Rare clouds Negative observation of missing night shining clouds Pentti Arpalahti
6.8.2021 at 00.13 - 03.39 Helsinki   Rare clouds Dim night shining clouds II

1

Pentti Arpalahti
5.8.2021 at 00.53 - 03.20 Helsinki   Rare clouds Dim night shining clouds II

1

Pentti Arpalahti
Search result contains observations from time period 1.1.2000 klo 00.00 - 28.11.2021 klo 7.29.