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

Ursa Astronomical Association

3 observations and 0 comments in queue.

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

Pearl clouds

24.1.2023 at 07.30 - 09.30 - Sodankylä (V)
Thomas Ulich

Kirkkaat helmiäispilvet näkyivät tänä aamuna Sodankylässä. Jo klo 07:30 aikaan pilvet näkyi koilisessa, toki todella himmeänä, vaatii pitkää valoitusaikaa. Noin tunti myöhemmin, pilvet olivat todella kirkkaita koko kaakostaivaalla. Keli maan pinnalla oli paras mahdollinen: kirkas taivas mutta lämpötila vain n -3°C, heikkoa tuulta 3m/s. Huom: kuvatiedostonimien aikaleimat ovat UTC aikaa (Suomen aika –2t). Kuvattu Canon 1000D timelapsekameralla ja iPhone 12mini -puhelimen kameralla (olisipa ollut kunnon kamera matkassa).

Images: 5 pcs

Light pillars

26.11.2021 at 22.00 - 22.40 - Sodankylä (II)
Thomas Ulich

Poikkeuksellisen vahva valopilari Kelukosken voimalaitoksen yläpuolella, Sodankylä. Katuvalot aiheuttavat valopilareia ylös ja kuu leveä valopilari alas.

Pearl clouds

27.11.2019 at 09.00 - 09.15 - Sodankylä
Thomas Ulich

The PSC season, or the pearl cloud season, has begun. It is rare to see Polar Stratospheric Clouds as early as November. This morning in Sodankylä, the sky was finally cloudless and the pearl clouds were nicely visible. Pearl clouds contribute to ozone depletion in the spring. Addition: there were no type II pearl clouds glowing in the colors of the spectrum, at least I didn’t see. The stratosphere is exceptionally cold at the moment, around -87 ° C. Probably when the sun goes down it shows up again.

Images: 2 pcs • Comments: 1 pcs

Aurora rays

16.10.2018 at 21.20 - 21.40 - Sodankylä (II)
Thomas Ulich

It was an exceptionally bright night, so I wanted to try filming the Milky Way. However, northern lights also appeared in the picture. The weather was calm, so the water of the Kitinen River was like a mirror. The northern lights were as bright as the Milky Way, i.e. very dim. The green light was visible to the naked eye, but the red oxygen emission above 150km was only visible in the photo. Canon EOS 6D, Samyang 12mm f / 2.8, ISO 4000, 15s

Active aurora band

16.8.2018 at 00.56 - 01.49 - Sodankylä (III)
Thomas Ulich

The first observations of northern lights in Sodankylä after the summer, although the sun was only about 8 ° 40 'below the horizon. That is, the northern lights were very bright that were already visible.

Clearly visible night shining clouds

14.8.2018 at 23.46 - 02.04 - Sodankylä (III)
Thomas Ulich

The northern sky was clear at first, and at the end the clouds covered the night clouds. Great waveforms in the night clouds. Image time 2018-08-14, 21:58 UTC (2018-08-15, 00:58 EET-DST).

Partial solar eclipse

11.8.2018 at 11.30 - 13.05 - Sodankylä
Thomas Ulich

During the eclipse, always between clouds. The time of the picture is 09:31 UTC (12:31 EET-DST).

Comments: 2 pcs

Dim night shining clouds

8.8.2018 at 00.26 - 01.05 - Sodankylä (II)
Thomas Ulich

2018-08-08, 2128-2205 UTC, illuminated night clouds were visible in Sodankylä. Sure very weak, because the sun was then only 6 ° 0'-6 ° 30 'below the horizon.

Search result contains observations from time period 1.1.2000 klo 00.00 - 5.2.2023 klo 3.53.