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

Ursa Astronomical Association

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Sun

19.9.2021 at 14.30 - 15.00 - Järvenpää (III)
Eemil Pietilä, Ursa (Etelä-Suomi)

Although there has been cloudy weather now, at least here in southern Finland, it became clear today for about an hour. So I decided to try the new full Spectrum modulated Canon EOS 1200D to capture the sun. The results were satisfactory, as the focus seemed to be a bit wrong, but the pictures were still ok. At the bottom left, you can see the dim sunspot group 2871.

Sun

19.9.2021 at 10.36 - Tampere (IV)
Tapio Lahtinen, Tampereen Ursa

There was quite a spectacular collection of protuberances in the sun. I sacrificed a little more work and experiment in the image and even added the scale of the Earth to give. Edit: short rugged animation

Images: 2 pcs

Sun

10.9.2021 at 13.30 - Joensuu (III)
Antti Taskinen, Ursa (Itä-Suomi)

Today's Sun. Apparently six comma groups visible.

Images: 2 pcs

Sun

10.9.2021 at 09.00 - 11.30 - Jämsä, Halli (III)
Raimo Hakala, Jyväskylän Sirius

At about 9 o'clock in the morning, after the fog had dissipated, I began to observe Auriingo's spots. The atmosphere was clean and the details of the spots were displayed quite nicely. The image below is a single frame image of the Sun.

Sun

10.9.2021 at 14.30 - 14.45 - Kirkkonummi (IV)
Harry Rabb, Kirkkonummen komeetta

Changes in sunspot groups per day and NASA’s Solar Dynamics Observatory image of the X-ray area at the same location. It clearly shows the power lines of the magnetic fields.

Sun

10.9.2021 at 12.30 - 12.35 - Tampere (III)
Kari A. Kuure, Tampereen Ursa

As the cloudiness receded a bit, I managed to find a relatively clear opening in the upper clouds from which I photographed the Sun and its abundant spots. However, the aperture was not entirely clear as a thin upper cloud did appear, however, and it emerged in the post-processing of the image, as everyone will surely notice it in this image. Today’s sunspot count, 124, is relatively high at this time of the sunspot period. Indeed, it appears that the activated has evolved remarkably rapidly in a higher direction when compared to predictions. On September 11, 2021, I added a 2 × magnified and ...

Images: 2 pcs

Sun

10.9.2021 at 13.45 - Järvenpää (IV)
Toni Veikkolainen, Keski-Uudenmaan Altair

The holiday and the bright blue sky provided a great setting for capturing the star of the day. Several active areas stood out. We must hope for northern lights in southern Finland as well.

Sun

9.9.2021 at 10.50 - 11.10 - Kirkkonummi (III)
Harry Rabb, Kirkkonummen komeetta

For a long time big sunspots. Celestron 8 with telescope and Caono Eos 80Da camera. Images made from HD videos are stacked with Autostakkert.

Images: 2 pcs

Sun

9.9.2021 at 09.30 - Salla (IV)
Dennis Lehtonen

C2 flare left last night. The next couple of evenings would promise clear here if you could watch it on some bigger northern lights display.

Sun

8.9.2021 at 15.50 - Jyväskylä (IV)
Petri Tikkanen, Jyväskylän Sirius

Sunspots 8.9.2021 Telescope Unistellar eVscope + Astrosolar filter and NPB, which I could not separately remove for this image. Combined from two images with Photoshop and color and contrast adjustment with Lightroom.

Images: 2 pcs

Sun

6.9.2021 at 15.40 - 16.00 - Joensuu (IV)
Antti Taskinen, Ursa (Itä-Suomi)

Well, now in the star of the day, there were already four comma groups visible at the same time. Through the eyepiece it looked great, the thin cloud curtain didn't bother me much.

Comments: 1 pcs

Sun

6.9.2021 at 13.25 - 13.29 - Turku (III)
Samu Laakso

A few areas visible

Sun

29.8.2021 at 12.16 - Kouvola (III)
Tero Sipinen, Ursa (Etelä-Suomi)

Large speckled cluster recovered with 600-millimeter and Astrosolar.

Sun

31.8.2021 at 11.04 - Kurikka (III)
Marko Myllyniemi, Lakeuden Ursa

The last day of summer was spent in moderately warm conditions, as the thermometer rose to temperatures as high as +18 ° C at this altitude. From tomorrow onwards, we will then sadly move to the autumn side ... | - ( On the last day of summer in the Sun, the large speck of AR2860 was still well visible, even though it was already quite close to the right edge of the Sun. The AR2859, in turn, is the upper single comma.

Sun

30.8.2021 at 14.00 - 15.45 - Joensuu (IV)
Antti Taskinen, Joensuun Seulaset

Seeing was mostly pretty bad, but when a clearer moment happened, Sunspot Group No. 2860 looked really great with a telescope. The first picture was taken at 14:12 and the second at 15:41.

Images: 2 pcs • Comments: 1 pcs

Sun

30.8.2021 at 09.58 - Kurikka (III)
Marko Myllyniemi, Lakeuden Ursa

Even today, the sun was visible quite nicely from the cloudless sky. AR2860 lower comma group and AR2859 upper.

Images: 2 pcs

Sun

29.8.2021 at 10.24 - Kurikka (III)
Marko Myllyniemi, Lakeuden Ursa

In the morning, I had time to photograph the Sun, where one day was grouped by one larger comma group (AR2860) and a single comma group (AR2859).

Images: 2 pcs

Sun

29.8.2021 at 13.00 - Hankasalmi, Murtoinen (III)
Arto Oksanen, Jyväskylän Sirius

Solar flare eruption detected by Hankasalmi Observatory radio telescope. X-ray classification C8.1, comma group 2860.

Images: 2 pcs

Sun

29.8.2021 at 10.00 - Jyväskylä (III)
Harri Kiiskinen, Jyväskylän Sirius

Handsome polka dot group #2860 sun. Above a single comma #2859

Sun

29.8.2021 at 10.00 - 12.00 - Jämsä, Halli (III)
Raimo Hakala, Jyväskylän Sirius

Observation of sunspot group No. 2860 between clouds. -Maxutov D 150 mm -Astrosolar membrane -Solar Continuum 10 nm (CWL 540nm)

Images: 2 pcs

Search result contains observations from time period 26.6.2020 klo 17.52 - 17.10.2021 klo 15.13.