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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

9 observations and 0 comments in queue.

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

Transit of mercury

9.5.2016 at 15.52 - Espoo (IV)
Jouko Markkanen, Ursa (Helsinki)

Because the sky was clear, I looked at the sky and lo and behold, Mercury was lying there just in front of the Sun. Also a spectacular comma group on the surface of the sun. The intense thermal ripple hampered the observation a bit, but for once it was a completely cloudless sky!

Total lunar eclipse

21.1.2019 at 06.45 - 08.05 - Espoo (IV)
Jouko Markkanen, Ursa (Helsinki)

For once, the weather favored an eclipse observer, perhaps with the exception of temperature. Getting the family moving was not successful until the perfect phase had already begun, but pictures had to be taken until the Moon sank to the tree line. By that point, the rest of the family had already escaped the frost a long time ago, and even the photographer was starting to freeze his fingers and toes, but it was worth it.

Images: 4 pcs • Comments: 1 pcs


30.4.2018 at 16.15 - 16.30 - Espoo (IV)
Jouko Markkanen, Ursa (Helsinki)

When I returned from the island, I drove through the sea smoke board, and when the sun was suitably behind me, I did not curve into a shallow but clear arc of fog.

Images: 2 pcs • Comments: 2 pcs

Several bright halo forms

5.1.2016 at 14.48 - Espoo (III)
Jouko Markkanen, Ursa (Helsinki)

The sun peeking through the slit of the clouds formed bright side suns and a sun pillar in the ice mist floating on top of the freezing sea. There was also some exciting outward-curving arc from the side suns. Such an old-fashioned observer would classify them as a kind of lowitz, but I guess these have some more sophisticated names these days :)

Comments: 2 pcs


27.1.2019 at 09.16 - Espoo (II)
Jouko Markkanen, Ursa (Helsinki)

Immediately after sunrise, a handsome 22r sea ice was visible in the snow on the surface

Partial lunar eclipse

7.8.2017 at 21.37 - 21.52 - Helsinki (III)
Jouko Markkanen, Ursa (Helsinki)

Clouds ran on the horizon during the rising of the moon, but a quarter of an hour a hole hit the moon to follow the eclipse. In the picture, a partially darkened moon throws up a little bridge in front of the Gray Lighthouse.

Images: 2 pcs

Halo phenomena covering the sky

3.5.2021 at 11.50 - Espoo (IV)
Jouko Markkanen, Ursa (Etelä-Suomi)

Between the remote meetings, I got out for a moment to see what was really visible there. To the naked eye stood out 22r with its side keys, 46r, a full horizon ring, 120 degree side suns, and in the region of the opposite point something of a cross pattern (judging from the photos, Wegener, which continues all the way to the side keys). In the direction of the sun, a feeling came that momentarily that there might be another sun-centric phenomenon as well, but I could not find any support in the photographs for that observation.

Images: 8 pcs

Faint naked-eye comet PANSTARRS

16.3.2013 at 19.43 - Espoo (IV)
Jouko Markkanen

The comet appeared a little orange in the balloon evening sky. The discovery was a little challenging at first because of the brightness of the background sky. Our family (2 adults, 3 children) saw the comet both with binoculars and with the naked eye. A beautiful destination with the same brightness as a nearby star (gamma Pegasi?). 7X35 and 7x50 binoculars as detection devices. Both the head of the comet and the small tail were visible on both devices, with the naked eye the object was visible as a star.

Images: 2 pcs

Comet with naked eye coma Wirtanen

26.12.2018 at 17.50 - 18.40 - Kirkkonummi (III)
Jouko Markkanen, Ursa (Helsinki)

Finally, the sky became clear even in the metropolitan area, so that you could wonder about Wirta. I classify the observation as a binocular comet, although yes, that spot on the naked eye just stood out when appropriately looked aside. The pictures already have a clear greenish glow. The first image is 100mm f / 2.8, the light is about 23 minutes in total (30 sec in chunks), the second image is taken from one 24mm shot with light pollution removed from the north sky.

Images: 2 pcs • Comments: 1 pcs

Binocular comet Wirtanen

3.1.2019 at 20.30 - 21.30 - Inkoo (II)
Jouko Markkanen, Ursa (Helsinki)

Wirtanen fades, no longer distinguished with the naked eye, but the binoculars were still found when he knew where to look.

Binocular comet Tuttle-Giacobini-Kresak

23.3.2017 at 21.39 - Inkoo (III)
Jouko Markkanen, Ursa (Helsinki)

We set out to look for the Johnson comet, but it was still so low in the direction of light pollution (and plenty of moisture in the lower atmosphere) at the time of the observation that we couldn’t find it with 7x50 binoculars. Instead, close to the zenith, the Tuttle-Giacobini-Kresak in the Otava bucket was found quite effortlessly, although predictions predicted it to be dimmer than Johnson. The picture shows a 90 second exposure with a 100mm lens. The battery had been forgotten to charge from the tracking device, so the stars no longer remained quite round, but the core of the comet is nic...

Comments: 1 pcs

Search result contains observations from time period 1.1.2000 klo 00.00 - 16.9.2021 klo 22.33.