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

Ursa Astronomical Association

2 observations and 0 comments in queue.

Only observations that have a description and at least one image attached.

Pollen corona

7.6.2022 at 21.30 - Jyväskylä, Keljonkangas (IV)
Arto Oksanen, Jyväskylän Sirius

The pollen circle of the pine was well visible in the setting sun. I drove a little further north to get the clouds out from behind the Sun.

Images: 2 pcs

Pollen corona

7.6.2022 at 21.00 - Muurame (III)
Arto Oksanen, Jyväskylän Sirius

Clear pollen around the Sun. Probably pine pollen.

Sun

26.5.2022 at 07.47 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope. X-ray classification C7.2, comma group 3017.

Images: 2 pcs

Sun

25.5.2022 at 17.20 - Hankasalmi, Murtoinen (I)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope.

Images: 2 pcs

Sun

20.5.2022 at 10.45 - Hankasalmi, Murtoinen (IV)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by Hankasalmi Observatory radio telescope. Approximate Flare Maximum: 20-05-2022 0745 UT at Flux M 3.0 (R1)

Images: 2 pcs

Rare halos

18.5.2022 at 08.20 - Muurame, Verkkoniemi (IV)
Arto Oksanen, Jyväskylän Sirius

Nice and bright halos in the morning sky.

Comments: 1 pcs

Sun

16.5.2022 at 16.27 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope at a frequency of 10-11 GHz. X-ray classification M2.4 (R1). Comma group 3017.

Images: 2 pcs

Sun

10.5.2022 at 16.56 - Hankasalmi, Murtoinen (IV)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope. X-ray classification X1.2 (R3), comma group 3006.

Images: 2 pcs

Sun

5.5.2022 at 17.10 - Hankasalmi, Murtoinen (IV)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope. X-ray classification M2.7 (R1).

Images: 2 pcs

Sun

4.5.2022 at 12.00 - Hankasalmi, Murtoinen (IV)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope. Approximate Flare Maximum: 04-05-2022 0900 UT at Flux M 5.7 (R2)

Images: 2 pcs

Several bright halo forms

30.4.2022 at 13.00 - 14.00 - Muurame (III)
Arto Oksanen, Jyväskylän Sirius

Great Christmas Eve halos.

Images: 2 pcs

Sun

30.4.2022 at 07.00 - 20.00 - Hankasalmi, Murtoinen (IV)
Arto Oksanen, Jyväskylän Sirius

On the eve of May Day, there were three large flare eruptions in the sun, two of which were observed with the Hankasalmi Observatory radio telescope. Approximate Flare Maximum: 30-04-2022 1347 UT at Flux X 1.1 (R3) Approximate Flare Maximum: 30-04-2022 0959 UT at Flux M 4.8 (R1)

Images: 3 pcs

Rocket-related clouds

29.4.2022 at 22.59 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

Rocket launch in the low northeast sky in the image of the Hankasalmi allsky camera, the exposure of which started at 22:59:37 summer time and the duration of the exposure was 7.3 seconds. The subject does not appear in images taken one minute earlier or one minute later.

A fireball at night, as bright as a crescent moon

25.4.2022 at 00.54 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

A long fireball in the 60s exposure of the Hankasalmi Observatory allsky camera at 21:53:27 UTC. Flight direction (east or west?) Unclear.

Sun

22.4.2022 at 16.26 - Hankasalmi, Murtoinen (V)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by the Hankasalmi Observatory radio telescope. X - ray classification M 3.1.

Images: 2 pcs

A fireball at night, brighter than a full moon

21.4.2022 at 02.02 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

A handsome fireball in the picture of the Hankasalmi allsky camera, whose 60s exposure started at 23:01:29 UTC.

Comments: 1 pcs

Active aurora band

21.4.2022 at 00.00 - 03.00 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

Northern lights still flare in Hankasalmi. All night timelapse: https://www.youtube.com/watch?v=TEPiuh8wuUU

Sun

19.4.2022 at 12.50 - Hankasalmi, Murtoinen (IV)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption at 12:50 Observed by the Hankasalmi Observatory radio telescope.

Images: 2 pcs • Comments: 1 pcs

Active aurora band

15.4.2022 at 01.20 - 01.40 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

The sky only brightened for a moment, revealing the northern lights. All night timelapse: https://www.youtube.com/watch?v=LfByi6HrA84

A fireball at night, brighter than the venus

9.4.2022 at 02.03 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

Fireball in the picture of the Hankasalmi Observatory allsky camera at 02:03 (23:03 UT).

Search result contains observations from time period 1.1.2000 klo 00.00 - 3.7.2022 klo 4.59.