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Ursa Astronomical Association
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Ursa Astronomical Association

A bright fireball illuminated southern Finland

27.9. in the evening at around 20:25 a bright ball of fire was seen in southern Finland. Observations about the case are collected using a fireball form . A little before 9:00 p.m., 20 sightings had arrived, most of which were from Uusimaa.

See observations on 27.9. from the fireball »

Jupiter approaches opposition

21.9. Jupiter is in opposition on 26 September, i.e. directly behind the Earth as seen from the Sun. In opposition, the planet is at its brightest. In the case of Jupiter, oppositions occur every 13 months, and this time the planet is closest to Earth for more than half a century. The picture was taken by Lasse Ekblom in a good seeing window on August 26.

Jupiter observations starting from August »

A lone anthelion in Kaarina

18.9. In the morning of 17.9. Hannu Lahtonen was paying attention when he managed to spot a solitary anthelion in the mixed-cloud sky in Kaarina. The phenomenon, when it occurs at low sun elevantion range, is actually part of the diffuse anthelic arc, its brightest core. In a typical situation anthelion is a part of a complex halo display, but Lahtonen does not mention that other halos were in the sky in this case.

Lehtonen's observation »

The disintegration of Monday's fireball on video

16.9. Several eyewitnesses recounted the Monday evening fireball on 12. September having split into two or three parts. The disintegration was also recorded in the images of the Nyrölä meteor camera. Harri Kiiskinen published a video showing how the fireball gives birth to a dimmer, shortlived fragment. Kiiskinen says that the fireball is visible in the camera images for 11 seconds, but says that the actual flight was longer because the beginning was not recorded on the camera.

Kiiskinen's observation »

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Half-sky auroras

Half-sky auroras

27.9.2022 at 02.48 - 05.16 - Tampere (IV)
Markku Lintinen, Tampereen Ursa

The composite video of Tampere's northern camera is limited here to the brighter after part of the northern lights. The show started dimmer already at midnight.

Images: 2 pcs • Comments: 1 pcs

Observation information »

A fireball at night, brighter than the venus

A fireball at night, brighter than the venus

27.9.2022 at 20.22 - Helsinki (III)
Otto Vehviläinen, Ursa (Helsinki)

I was sitting on the balcony adjusting the telescope when a fireball appeared in the sky. From the vantage point, it appeared to drip almost straight down, flashing green around the yellow heart.

Comments: 1 pcs

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Active aurora band

Active aurora band

22.9.2022 at 22.30 - 01.30 - Kittilä (III)
Satu Juvonen, Ursa (Itä-Suomi)

This is probably a basic set in Lapland. The great northern lights, whose brightness was accentuated when the Moon was hidden and there is no wasted light in the nearby countries. The fires stayed pretty low. On the shore of Pallasjärvi at the Punaisenhieka hut, there were several wonderers and the atmosphere was devout, the lake was calm, the silence and darkness almost perfect.

Images: 7 pcs • Comments: 1 pcs

Observation information »

Half-sky auroras

Half-sky auroras

27.9.2022 at 02.50 - 05.00 - Mäntyharju (III)
Jukka Kytömäki

A slow and slow start, but then started with high beams. Gradually over half the sky mixed movement, the coloring varied in variety. Pulsating spots and gentle corona alternately. A dense fog is present all the time, making the pictures blurry. Also a strange curly cloud high up. Fortunately, the repo colors were clearly visible, at least from the machine.

Images: 7 pcs • Comments: 3 pcs

Observation information »

A fireball at night, brighter than the venus

24.9.2022 at 23.10 - Oulu, Haukipudas (III)
Tero Moilanen

A fireball was recorded on the south facing camera. Found in recordings based on what was seen at Mäntyharju.

Comments: 1 pcs

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Several halo forms

Several halo forms

21.9.2022 at 15.00 - 15.10 - Rovaniemi (II)
Ismo Pyhtilä

I was in the birdwatching tower watching birds and looking straight up at the sky I caught a halo. At first it was dimly visible, after which the colors intensified and the halo became more clearly visible.

Images: 3 pcs • Comments: 1 pcs

Observation information »

Quiet aurora arc

Quiet aurora arc

24.9.2022 at 21.30 - 23.50 - Nurmes (II)
Eero Karvinen

At first it looked good, Bz is diving into a long negative period and the speed of the solar wind is still high. However, all good things come to an end. a combination where Bt decreases from the value 6 to the value three and at the same time the field turns north (positive Bz value), then the coupling of the particles to the magnetic field created by the earth becomes more difficult and at the same time the pressure on the field decreases, so you know that. However, the peaceful oval with its dune mounds delighted the night sky. The substorm ignited even later when the plasma tail finally br...

Images: 3 pcs • Comments: 1 pcs

Observation information »

Sun

Sun

22.9.2022 at 14.45 - Porkkala, Kirkkonummi (IV)
Ben Kalland, Ursa (Helsinki)

The bridge over the sunspot. Area AR3105. I've seen these bridges before, but haven't managed to photograph them. I'm not sure if it counts as two commas or one, with a bridge going over it. Two large filaments also stand out in the picture. The overexposed spot above the colon is apparently a small blur. The color doesn't quite match the one seen in the eyepiece, it should be redder, but when edited this way, the bridge and the penumbra around the little one can be seen better. The first successful image with the new self-assembled tube: Lunt 80 standard + Skywatcher 150 refra...

Comments: 1 pcs

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One halo form

One halo form

24.9.2022 at 19.10 - Vaasa, Meteoriihi (I)
Timo Alanko, Vaasan Andromeda

We spent an open-door evening at our Meteorii in Söderfjärden. Its aim this time is to crown the evening flight of approx. 9,000 people to the sea to spend the night. Fittingly, the direction was towards the sun pillar. More bird photos as a bonus.

Images: 6 pcs • Comments: 4 pcs

Observation information »

A fireball at night, brighter than the venus

A fireball at night, brighter than the venus

14.8.2022 at 23.44 - Ulvila (III)
Kalle Luotola, Porin Karhunvartijat

I tried to photograph the heart fog and the soul fog, and in that noise, this fireball, possibly the Perseid, was recorded on the camera. I didn't see this particular fireball, but an interesting looking one fading and brightening again. The fix: Probably a satellite or some other man-made space debris. I checked the clock on the camera and it advances for about 3 minutes. It would be interesting if that Viiru cause could survive.

Images: 2 pcs • Comments: 1 pcs

Observation information »