Newest observations
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Turku, Several halo forms
II
31.3.2023 at 07.50 -
Turku, A fireball at night, as bright as a crescent moon
III
30.3.2023 at 23.21 -
Naantali, A fireball at night, brighter than a full moon
III
30.3.2023 at 23.20 -
Mäntyharju, Aurora rays
II
30.3.2023 at 23.01 -
Janakkala, Tervakoski, M99
III
30.3.2023 at 22.50 -
Taipalsaari, Quiet aurora band
II
30.3.2023 at 22.48 -
Petäjävesi, Active aurora band
III
30.3.2023 at 22.43 -
Kurikka, Jurva, Active aurora band
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30.3.2023 at 22.30 -
Porttila, Half-sky auroras
III
30.3.2023 at 22.00 -
Ulvila, Active aurora band
III
30.3.2023 at 21.25 -
Turku, One halo form
I
30.3.2023 at 19.55 -
Kotka, Kuusinen, One halo form
I
30.3.2023 at 19.40
Contact information
1 observations and 0 comments in queue.
Only observations that have a description and at least one image attached.
16.7.2019 at 23.30 - 00.30 - Mikkeli
(III)
Tuomas Salo, Ursa (Helsinki)
I photographed a partial lunar eclipse by the lake and the moon turned red due to the eclipse.
Images: 2 pcs
Starscape image
6.4.2019 at 22.30 - Mikkeli
(III)
Tuomas Salo, Ursa (Helsinki)
I photographed a landscape star image from the shore of the lake showing the trail left by the satellite.
Images: 2 pcs
Mars
14.10.2018 at 20.30 - Mikkeli
(IV)
Tuomas Salo, Ursa (Helsinki)
I photographed the planet Mars on the shores of a lake that was eight degrees above the horizon. It shows the differential refraction because it is so low.
Images: 3 pcs
Jupiter
16.7.2019 at 23.15 - 23.20 - Mikkeli
(III)
Tuomas Salo, Ursa (Helsinki)
I photographed Jupiter by the lake and dimly saw the four moons as well. Jupiter was close to the horizon, so the figure shows a differential refraction. The moons were Io, Europe, Ganymede and Kallisto.
Saturn
27.7.2019 at 00.10 - 00.30 - Mikkeli
(II)
Tuomas Salo
I photographed Saturn on the low horizon by the lake and got its rings dimly visible.
Images: 2 pcs
Saturn
4.8.2021 at 23.30 - Mikkeli
(III)
Tuomas Salo, Ursa (Helsinki)
I photographed from the shores of Lake Saturn and its rings stood out well in the picture.
Images: 2 pcs
Jupiter
4.8.2021 at 23.00 - Mikkeli
(II)
Tuomas Salo, Ursa (Helsinki)
Jupiter
14.7.2022 at 01.11 - Mikkeli
(II)
Tuomas Salo, Ursa (Helsinki)
I photographed Jupiter from the shore of the lake and I could clearly see its moons: Ganymede, Europa, Io and Callisto.
Saturn
14.7.2022 at 01.24 - Mikkeli
(III)
Tuomas Salo, Ursa (Helsinki)
I photographed Saturn from the shore of the lake and I could clearly see its rings.
Images: 2 pcs
Exoplanet HAT-P-53 b
11.1.2019 at 19.50 - 22.34 - Metsähovi, Kirkkonummi
(I)
Teemu Willamo, Juha Tauriainen, Sami Kivistö, Tuomas Salo, Ilja Pippa, Ursa (Helsinki)
We detected an overflow of the exoplanet HAT-P-53 b from the Metsähovi Observatory of the University of Helsinki. In the figure below, the brightness of the star HAT-P-53 (marked in green in the lower figure) is measured compared to the corresponding reference stars (marked in red). The measurements are noisy but the overpass is just perceptible. Apparently the crossing had started earlier than predicted as it would seem that we were late from the start.
Images: 2 pcs • Comments: 1 pcs
Several halo forms
6.1.2016 at 15.35 - Lahti
(II)
Tuomas Salo, Ursa (Helsinki)
I photographed a halo and a pillar of the sun a few years ago on the Lahti motorway at sunset.
Images: 2 pcs
Exoplanet TrES-2 b
10.10.2018 at 20.15 - 22.00 - Kirkkonummi
(II)
Teemu Willamo, Tuomas Salo, Ursa (Helsinki)
An observation from the Metsähovi Observatory of the University of Helsinki about the overflow of the exoplanet TrES-2 b. The orange ticks in the image are single 30 s exposures, and the blue curve averages 5 consecutive exposures. The magnitude is calculated as the average of the two reference stars and normalized so that the average of the first 10 data points is 0. In the CCD image, TrES-2 is the lowest star circled in red. The other two circled stars served as reference stars against which the brightness of the object was compared.
Images: 2 pcs
Starscape image
12.2.2019 at 23.10 - Kirkkonummi
(IV)
Tuomas Salo, Ursa (Helsinki)
I photographed Orion's constellation as a landscape constellation. There was a very clear starry sky with good seeing.
Images: 2 pcs • Comments: 1 pcs
Starscape image
29.3.2019 at 23.00 - Kirkkonummi
(III)
Tuomas Salo, Ursa (Helsinki)
I photographed a landscape constellation showing the Pleiades on the horizon. Seeing was very good.
Images: 2 pcs • Comments: 1 pcs
M87
15.4.2019 at 23.00 - Kirkkonummi
(III)
Tuomas Salo, Henri Salmi, Teemu Willamo, Ursa (Helsinki)
We photographed the M87 ellipse galaxy at the Metsähovi Observatory of the University of Helsinki. The picture shows the shower caused by its giant black hole. Radio astronomers described the shadow of a black hole in the center of the galaxy and a photon ring generated by electrons falling into it.
Milky way
1.9.2019 at 22.30 - Kirkkonummi
(IV)
Tuomas Salo, Ursa (Helsinki)
I photographed the Milky Way in the yard of the University of Helsinki Observatory, which appears as a white van in the middle of the picture.
Images: 3 pcs
Milky way
9.9.2019 at 22.30 - Kirkkonummi
(II)
Tuomas Salo, Ursa (Helsinki)
I went to photograph the orbit and on the way I saw a bright ball of light at about 9 pm whose ball part was bright yellow and the tail red. It passed from right to left below the moon and then disappeared from view. It was apparently a meteoroid a few inches in size. The Milky Way was poorly visible due to poor seeing.
Images: 2 pcs
M15
14.10.2019 at 22.00 - 22.10 - Kirkkonummi
(V)
Tuomas Salo, Mikko Vuori, Teemu Willamo
I photographed Pegasus Cluster at the University of Helsinki Observatory at the observation group's observation evening in Metsähovi.
Milky way
25.10.2019 at 23.50 - Kirkkonummi
(IV)
Tuomas Salo, Mikko Vuori, Ursa (Helsinki)
I photographed the Milky Way in the yard of the University of Helsinki Observatory on the observation group's observation night. Additional images are stacked from five images. In the last image, the galaxy of Andromeda is circled.
Images: 3 pcs
Milky way
29.10.2019 at 21.40 - 22.00 - Kirkkonummi
(IV)
Tuomas Salo, Mikko Vuori, Ursa (Helsinki)
I photographed the Milky Way at the University of Helsinki Observatory by exposing 30-second exposures 32 times, or 16 minutes. The pictures were stacked with a gimp. They show light pollution that could have come from light burning in the tower. The sky was also not very dark.
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Observations' comments
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Juu! Eipä montaa minuuttia parvekkeella tartt...
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Hieno setti ja upea video!
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Oma kamerani päivysti yön yli. Tuon aktiivisu...
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Kiitos Lasse.
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Hieno kuvasarja!
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Hyvä Tapsa!
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Videotallenne laukaisusta on myös katsottavi...
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Loistava lainaus! Sopii tähän prikuulleen. :)
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huikaisevan hyviä kuvia, huh huh!!
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