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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.

Kuluneen 1 kk ajalta ne havainnot, joissa on sekä kuva että havaintokertomus.

Landscape image of a planet

30.1.2023 at 18.35 - Jyväskylä (I)
Sampsa Lahtinenö, Jyväskylän Sirius

The moon and Mars in the sleet from the prism parking lot

Moon

30.1.2023 at 17.56 - Helsinki (III)
Tuomas Salo, Ursa (Helsinki)

I photographed the moon through a thin cloud and got a good view of its craters.

Images: 2 pcs

Other special clouds

30.1.2023 at 16.41 - 17.25 - Helsinki (III)
Tuomas Aumala

Lenticular stacks in Stratocumulus to the south. According to my calculations, there were at least five floors.

Images: 3 pcs

Comet with naked eye coma ZTF

30.1.2023 at 04.13 - 04.35 - Fregenal de la Sierra, Espanja (I)
Tapio Lahtinen, Tampereen Ursa

The intention was to film a longer 3-hour session following the comet, but the Meridian flip failed for some reason and photons were only collected for less than half an hour. Secondly, since some people also photograph galaxies with narrowband filters, I decided that why not comets as well. Well, the result is not very surprising. Edit: added a small animation

Images: 5 pcs

Pearl clouds

29.1.2023 at 16.35 - 16.45 - Oulu (IV)
Esa Pekka Isomursu, Ursa (Pohjois-Suomi)

For a while in Oulu, you could also see fine pearls, albeit in a rather limited area. Around 16:35 the colors were still so dim that I didn't even dig out the camera at first, but five minutes later they brightened. Type II would be a clear case, but are the white cloud streaks Type I clouds and is the horizon pearly brown or otherwise just shades of sunset? The sun has set half an hour earlier to the left of the picture.

Images: 2 pcs

Pearl clouds

29.1.2023 at 16.26 - 16.44 - Oulu (III)
Raija Ollikainen

After sunset, a few unassuming pale beaches could be seen in the sky, but they were suspiciously bright. Surprisingly, they developed quite "real" nacreous clouds. Some of them hid behind the trees so that only the color was visible. I took the best pictures of the part of pearls that could be seen on the balcony and they were boring. In addition, the strongest golden yellow brown was left behind the trees in the shooting direction, out of reach of the camera. Here are a couple of pictures though. I put the boxes according to what I saw, although I didn't get pictures of everything.

Images: 3 pcs

Pearl clouds

29.1.2023 at 16.15 - Kurikka ja Jurva (III)
Timo Alanko, Vaasan Andromeda

We went to visit the graves in Kurika. On the way back, Viinatie even got a job. A single pastel red water ice cloud was hidden almost directly overhead behind the low clouds. Car to the side of the road and waiting for the clouds to give even a little mercy. It was awkward. After reaching Jurva, it looked like there was possibly an acid cloud in the direction of Teuvan-Karijoki. It's a shame that the helicopters are limited to 120 meters. I would have liked to lift Mavicci above that cloud to take a peek at the views :(

Images: 3 pcs • Comments: 4 pcs

Pearl clouds

29.1.2023 at 08.30 - Valkeakoski
Markku Ruonala

There were so many other clouds ahead that I doubted my own observation at first, but the observations of others confirmed my assumption that the clouds were nacreous.

Images: 2 pcs

Pearl clouds

29.1.2023 at 08.18 - Kurikka (III)
Marko Myllyniemi, Lakeuden Ursa

I had to wake up exceptionally early for Sunday morning, so at the same time I checked the window of the library room for a possible pearly situation. In the southeast sky, you could see pearly brown and the stench of acid clouds, so I had to get dressed and go yard by yard with the camera to shoot. I would characterize it as a mediocre play, which was slightly disturbed by the usual Cloudiness. The last picture is a panorama of three pictures.

Images: 7 pcs

Pearl clouds

29.1.2023 at 07.58 - 08.45 - Espoo (IV)
Krista Wright, Panu Lahtinen

In the morning sky, shimmering pearlescent streaks, including some quite bright ones. They were partially covered in orange-colored mammatus-type middle clouds.

Images: 4 pcs

A fireball at night, as bright as a full moon

29.1.2023 at 07.02 - Kajaani (III)
Kari Nissinen

This fireball was unusually bright because it caused a "crown" on the camera lens to flash (a similar crown is also visible on the Moon - the lens is apparently dirty). A fireball was visible above the star Izar. It appears to come from below the star Delta Bootis, pass towards Rho Boot, and extinguish just before Rho Boot. In the video, the flight direction of the fireball appears to be more vertical than it actually was, because the camera has a wide-angle lens. It was south in the direction of approx. 195 degrees and at an altitude of approx. 57 degrees. The brightest star visible in the vi...

Comments: 1 pcs

A fireball at night, as bright as a crescent moon

29.1.2023 at 07.02 - Jyväskylä (III)
Vesa Vasankari, Ursa (Länsi-Suomi)

The fireball captured by the north-facing camera from this morning.

Images: 2 pcs

A fireball at night, as bright as a crescent moon

29.1.2023 at 07.02 - Oulu, Haukipudas (III)
Tero Moilanen

A fireball flying between southeast and south was recorded on camera. Apparently the same as those described in Kajaani and Jyväskylä.

Comet with naked eye coma ZTF

29.1.2023 at 02.30 - 06.06 - Uurainen (III)
Aleksi Ruotsila, Jyväskylän Sirius

Sacrificing a reasonable sleep pattern and a night's sleep, I left early in the morning to photograph this comet when I had the chance (weekend, moon setting, a suitable opening in the clouds). The comet's tail was a fairly steadily moving jet during this viewing interval, while a couple of days ago when I was photographing it there was much more life. Undeniably an interesting and dynamic object to photograph. For the comet, almost 3 hours of exposure, and for the stars I used the same photos from just an hour ago.

Binocular comet ZTF

29.1.2023 at 02.00 - 02.20 - Tampere (II)
Kalle Helenius

As a continuation of the statistics, Test samples also from Tampere. The pile revealed a little something like a detail, but otherwise the fresh white snow cover in cooperation with the lamps and the moon blocked the view - even before the clouds arrived.

Images: 2 pcs

Binocular comet ZTF

29.1.2023 at 01.34 - Helsinki (I)
Pentti Arpalahti

The conditions were not ideal, but the Weather Report promised that it would clear up a bit for a couple of hours. The moment was right, because a raft of clouds from the northwest covered the sky around two o'clock. Otava and Pohjantähti (mag. approx. 2) somehow stood out, so I pointed the camera almost to the zenith half-blindly between Otava and Pohjantähti. Two frames were hit well enough by the comet and I combined them to improve the noise. After all, stars up to magnitude 9 stood out with the camera. Judging from the top 7-star group as a reference, the brightness of the comet is ab...

Comet with naked eye coma ZTF

29.1.2023 at 00.39 - 00.55 - Kangasala, Sahalahti (II)
Jorma Mäntylä

Comet ZTF was found again in little Otava. The pictures did not turn out as good as on 26.1. Seeing was not as good and the moonlight has already started to disturb. Still a handsome tail. The movement during 10 min is distinguished from the two images 0.36 and 0.46. Let's follow up. Edit. I processed the images with Deep Sky Stacker. The image now contains 6x30 s RAW images. The comet moved so slowly that the stacking was successful.

Images: 3 pcs

A fireball at night, brighter than the venus

29.1.2023 at 00.39 - Jyväskylä (III)
Vesa Vasankari, Ursa (Länsi-Suomi)

A fireball recorded on a couple of cameras in the southeast direction.

Images: 3 pcs

Binocular comet

28.1.2023 at 23.30 - 00.00 - Karstula (III)
Jussi Halttunen, Jyväskylän Sirius

Comet ZTF was visible bright in the northern sky in the constellation Ursa Minor near the star Kochab. Shot with a 15 second exposure through a 16" mirror telescope. Canon EOS 6D.

Comet with naked eye coma ZTF

28.1.2023 at 22.45 - 23.00 - Nokia (I)
Tapio Lahtinen, Tampereen Ursa

I got a tip about the observation site in the direction of Nokia and went to check the place. It was reasonably good in terms of light pollution - although the Northeast is naturally the worst because of Tampere. I had a really light and comfortable person's equipment with me. I controlled the tripod wirelessly with my laptop and the paperback also wirelessly with my mobile phone and from the comfort of a warm car :) Edit: 4th picture is a grainy cell phone picture looking north

Images: 4 pcs

Search result contains observations from time period 30.12.2022 klo 23.32 - 30.01.2023 klo 23.32.