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
29.1.2023 at 01.34 Helsinki   Solar system Binocular comet ZTF I Pentti Arpalahti
27.1.2023 at 16.45 - 17.30 Helsinki   Rare clouds Pearl clouds III

3

Pentti Arpalahti
21.1.2023 at 13.32 - 13.34 Helsinki   Solar system Sun III Pentti Arpalahti
5.1.2023 at 21.37 Helsinki   Other phenomena Lunar corona III Pentti Arpalahti
25.12.2022 at 15.24 Uppsala, Ruotsi   Solar system Moon II Pentti Arpalahti
9.12.2022 at 00.01 - 00.02 Helsinki   Halos One halo form I Pentti Arpalahti
29.10.2022 at 21.46 - 21.56 Helsinki   Northern lights Aurora rays I Pentti Arpalahti
23.10.2022 at 22.02 - 23.02 Helsinki   Northern lights Aurora rays III Pentti Arpalahti
18.10.2022 at 14.58 Helsinki   Other phenomena Primary rainbow III Pentti Arpalahti
3.10.2022 at 01.12 - 01.19 Helsinki   Northern lights Auroras seen through breaks in the clouds I Pentti Arpalahti
24.9.2022 at 01.36 - 01.37 Helsinki   Northern lights Auroras seen through breaks in the clouds III Pentti Arpalahti
17.9.2022 at 17.03 - 17.30 Malung-Sälen, Ruotsi   Other phenomena Primary rainbow II Pentti Arpalahti
3.9.2022 at 22.44 - 23.16 Hausjärvi   Northern lights Aurora rays III Pentti Arpalahti
28.8.2022 at 19.11 Helsinki   Other phenomena Primary rainbow I Pentti Arpalahti
20.8.2022 at 00.39 - 00.46 Helsinki   Northern lights Aurora rays I Pentti Arpalahti
18.8.2022 at 16.08 Helsinki   Halos One halo form I Pentti Arpalahti
17.8.2022 at 23.36 - 00.09 Helsinki   Northern lights Aurora rays I

1

Pentti Arpalahti
12.8.2022 at 00.04 - 00.40 Helsinki   Northern lights Aurora rays I

3

Pentti Arpalahti
11.8.2022 at 03.10 - 03.25 Helsinki   Rare clouds Noctilucent clouds visible between clouds III Pentti Arpalahti
9.8.2022 at 23.18 - 00.05 Tallinn   Rare clouds Dim night shining clouds II

2

Pentti Arpalahti
Search result contains observations from time period 1.1.2000 klo 00.00 - 3.2.2023 klo 22.01.