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Ursa Astronomical Association

November diamond dust halos

28.11. With temperatures plummeting across the country, diamond dust halos have taken the stage. At the bottom right is a Lunar display in Jämsä, photographed by Jari Luomanen on Friday night. At the top left is a display next day in Ylöjärvi as pictured by Veli-Pekka Soini. Below is a shot by Jani Päiväniemi of light pillars seen during the race in Ruka on the following evening. And at the top right is an earlier 19 Nov. Lunar display in Pelkosenniemi by Tuula Hilli, which seems to contain the very rarely seen Mikkilä arc. 

November halos »

Comets Churyumov-Gerasimenko and Leonard

26.11. 67P/Churyumov-Gerasimenko and C/2021 A1 (Leonard) are the best comets in the sky right now. The the former, seen on the left in Harri Kiiskinen's picture, is now 9 mag, and it is not expected to brighten any further. On the right is Tapio Lahtinen's image of the Leonard, which is about 8 mag now. It should rise to 4 mag or even brighter and can thus be visible to the naked eye.

Autumn and early winter comets »

Deep sky picture: Elephant's Trunk Nebula

24.10. Tero Hiekkalinna targeted on 22. November the Elephant's Trunk Nebula, IC 1396A. “I tried to emulate the color world of the Hubble Space Telescope,” says Hiekkalinna. The object, located 2 400 light-years away from us, according to the infrared observations carried out in 2013 is believed to be the birthplace of stars, containing several stars less than 100,000 years old. The exposure in the image is almost 6 hours.

Elephant's Trunk Nebula in Skywarden »

Zeniitti 4/2021: Rocket phenomena and the Martian moons

16.11. The latest issue of Zeniitti web magazine 4/2021 tells about the rocket phenomena of early autumn, the Martian moons and their observations, presents the  crater Archimedes with its surroundings and gives forecasts for the December comet Leonard . Photos: Samu Saarinen, Lasse Ekblom, Veikko Mäkelä and Harry Rabb.

Zenith 4/2021 »

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Light pillars

Light pillars

27.11.2021 at 17.14 - Kuusamo, Rukatunturi (II)
Jani Päiväniemi, Ursa (Pohjois-Suomi)

Sharp and pretty pillars were visible on the slopes in the evening. Snowmaking was not running over the weekend when the Nordic Opening Games were underway. It freezes at about 20 degrees.

Images: 2 pcs • Comments: 3 pcs

Observation information »

Rare halos

Rare halos

26.11.2021 at 22.00 - 04.30 - Jämsä (IV)
Jari Luomanen, Ursa (Länsi-Suomi)

Great night. The ice mist was extremely dense and my jacket slowly changed from black to almost white as the icing accumulated over the hours. Given how heavy the crystal rain was, the sky remained nicely transparent. Temperatures ranged from -12 to -15. The best stage was, I think, minus fifteen. Although the conditions at the nearest observation stations were the so-called on paper condition, no ice mist took to spread. But then some kind of threshold was crossed and soon there were ice skiers in the area of square kilometers. As I drove away, I noticed that there seemed to be local pockets ...

Images: 8 pcs • Comments: 8 pcs

Observation information »

Rare halos

Rare halos

19.11.2021 at 18.26 - 18.43 - Pelkosenniemi (IV)
Tuula Hilli

On Friday, November 19, 2021, the time of the full moon was ap. I followed the halo of the moon for a while between 6:26 and 6:43 p.m., but that phenomenon lasted longer. The moonlight used to be heavy, but the fog began to rise and a halo formed. It was over a wide area around the moon, the pictures don’t do it justice.

Images: 5 pcs • Comments: 11 pcs

Observation information »

Rare halos

Rare halos

27.11.2021 at 11.46 - Ylöjärvi (IV)
Merja Vedenjuoksu

Images: 3 pcs • Comments: 1 pcs

Observation information »

Rare halos

Rare halos

27.11.2021 at 11.17 - Ylöjärvi (IV)
Hanna Norvia, Ursa (Länsi-Suomi)

The business trip was forced to stop to admire the magnificent halos that disappeared soon after filming.

Images: 4 pcs • Comments: 6 pcs

Observation information »

Rare halos

Rare halos

26.11.2021 at 13.24 - 13.40 - Jalasjärvi (IV)
Arto Ranto

It was lightly rained.

Comments: 1 pcs

Observation information »

Binocular comet Churyumov-Gerasimenko

Binocular comet Churyumov-Gerasimenko

26.11.2021 at 21.30 - Kuusamo
Voitto Pitkänen

The fog cloud interrupted the observation of the comet this time, but something came to light up the image of this comet. Then there was no second chance tonight, maybe one other night to succeed.

Comments: 2 pcs

Observation information »

Rare halos

Rare halos

26.11.2021 at 11.40 - Kankaanpää (IV)
Eija Korkiamäki

Before this photo, when I drove to work, I also had a great "bar" in the colors of a vertical rainbow. This remained visible even after the picture.

Comments: 2 pcs

Observation information »

One halo form

One halo form

26.11.2021 at 11.00 - 12.00 - Vaasa (I)
Juha Varis, Vaasan Andromeda

Side suns on both sides, the image was just another.

Comments: 1 pcs

Observation information »

Binocular comet Leonard

Binocular comet Leonard

26.11.2021 at 04.42 - 05.51 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

Leonard was perfectly visible in the morning despite the moonlight. Hopefully there will be more clear weather by December. This can become a spectacular target if the predictions hold true.

Images: 3 pcs • Comments: 3 pcs

Observation information »

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