Newest observations
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Saarijärvi, Planet's corona
II
20.9.2023 at 23.54 -
Kurikka, Jurva, Quiet aurora band
II
20.9.2023 at 22.00 -
Saarijärvi, Diffuse glow
I
20.9.2023 at 21.59 -
Pirkkala, A fireball at night, brighter than the venus
III
20.9.2023 at 20.48 -
Kurikka, Jurva, One halo form
I
20.9.2023 at 18.37 -
Eura, One halo form
I
20.9.2023 at 17.01 -
Turku, One halo form
I
20.9.2023 at 08.58 -
Helsinki, Jupiter
III
19.9.2023 at 22.56 -
Mora, Ruotsi, Quiet aurora arc
II
19.9.2023 at 22.42 -
Mora, Ruotsi, A fireball at night, as bright as a crescent moon
III
19.9.2023 at 22.42 -
Turku, Aurora rays
III
19.9.2023 at 22.21 -
Lohja, Diffuse glow
I
19.9.2023 at 22.20
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Only observations that have a description and at least one image attached.
18.9.2023 at 21.00 - 00.00 - Muurame, Saarenkylä
(IV)
Arto Oksanen, Jyväskylän Sirius
A three-hour shooting session from the photo studio. The aurora belt became visible immediately at dusk and remained near the mid-sky throughout the evening. Mostly fairly dim auroras, but with a few brighter phases. Green and momentarily red color visible to the naked eye. Intermittent clouds and fogging of the lenses were a hindrance.
Images: 7 pcs
Active aurora band
18.9.2023 at 03.00 - 05.00 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
Hankasalmi's allsky camera captured the bright northern lights in the morning sky. all night timelapse: https://www.youtube.com/watch?v=Cv3w6Q2IsfE
Comments: 1 pcs
Sun
16.9.2023 at 08.38 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
A solar flare detected by the Hankasalmi Observatory radio telescope. Comma group AR3429. This caused 18.9. an aurora borealis storm. Approximate Flare Start : 16-09-2023 0530 UT Approximate Flare Maximum: 16-09-2023 0538 UT at Flux M 3.4 (R1) Approximate Flare End : 16-09-2023 0607 UT
Images: 2 pcs
A fireball at night, as bright as a full moon
15.9.2023 at 02.30 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
This bright fireball was visible in the Hankasalmi observatory's allsky camera image, whose 60s exposure started at 02:29:54 (23:29:54 UT).
Quiet aurora arc
14.9.2023 at 22.30 - 23.30 - Muurame, Suurusniemi
(II)
Arto Oksanen, Jyväskylän Sirius
Half-sky auroras
14.9.2023 at 21.30 - 04.30 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
Northern lights in Hankasalmi observatory's allsky camera images. A special green arc in the southern sky at 22:08-22:20. All night timelapse: https://www.youtube.com/watch?v=xnx39iUHF6Y
Images: 4 pcs
Half-sky auroras
12.9.2023 at 21.00 - 23.30 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
The surprising aurora borealis was well visible in the Hankasalmi observatory's allsky camera images until the clouds covered the sky. The SAR arc at the very beginning? The black patch is still the greetings of the rascal; should go for a cleaning. All night time-lapse: https://www.youtube.com/watch?v=zns_HyNL8fg
Images: 7 pcs • Comments: 1 pcs
Active aurora band
9.9.2023 at 03.00 - 04.30 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
A short-lived, but spectacular, northern lights show in the wee hours of the morning. The "black hole" in the picture is not a celestial object, but the remnant of a star on the camera lens. All night timelapse: https://www.youtube.com/watch?v=CEFverhltbk
Rare halos
7.9.2023 at 10.54 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
Nice halos in the Hankasalmi observatory's allsky camera image. Also included is a spider wondering about halos.
Images: 7 pcs • Comments: 3 pcs
Active aurora band
5.9.2023 at 22.30 - 00.30 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
The aurora borealis in Hankasalmi observatory's allsky camera images from 22:30 to 00:30. All night timelapse: https://www.youtube.com/watch?v=zQ-maGZZnI8
Comments: 2 pcs
Active aurora band
2.9.2023 at 23.00 - 04.00 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
Bright aurora borealis in the northern sky in Hankasalmi observatory's allsky camera images. The best fires seemed to remain behind the clouds and Kuukki hindered observations. All night timelapse: https://www.youtube.com/watch?v=bnVggbRXlQ4 EDIT: I added pictures of a possible SAR arc
Images: 8 pcs • Comments: 5 pcs
Sun
2.9.2023 at 10.13 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
The Sun's long flare as observed by the Hankasalmi Observatory's automatic radio telescope. X-ray classification M3.3
Images: 2 pcs
Gamma-ray burst GRB 230826A
26.8.2023 at 23.30 - Hankasalmi, Murtoinen
(I)
Arto Oksanen, Jyväskylän Sirius
The first night of observation in autumn and immediately a gamma-ray burst alarm in the middle of the observations. In addition to the gamma-ray burst at 19:32:47 UT, Swift located a bright X-ray object whose coordinates are RA(J2000) = 5h 32d 14.2s, Dec(J2000) = 66h 07d 30.2s, 10.0 arcsecond precision. So comfortably in the area of our Finns in the northern sky. So let's shoot! I took a total of 25 minutes of exposure. There was no afterglow in the first images, nor in the final stack of 25 images. The brightness of the afterglow is therefore dimmer than the limiting magnitude of the imag...
Images: 2 pcs • Comments: 2 pcs
A fireball at night, as bright as a crescent moon
21.8.2023 at 02.29 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
Fireball in Hankasalmi observatory's allsky camera image, whose 60s exposure has started at 02:29:23 (23:29:23 UTC). Apparently, only the rest of the flight is shown. There were a few other observations about this, so I was able to check the pictures.
A fireball at night, brighter than the venus
14.8.2023 at 01.07 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
The fireball in the Hankasalmi observatory's automatic allsky camera image, whose 60-second exposure started at 22:07:06 UTC.
Images: 2 pcs
Sun
30.7.2023 at 11.22 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
A solar flare observed with the radio telescope of the Hankasalmi Observatory. X-ray classification M1.8, dot group 3390.
Images: 2 pcs
Sun
19.7.2023 at 20.13 - Hankasalmi, Murtoinen
(III)
Arto Oksanen, Jyväskylän Sirius
A solar flare observed by the Hankasalmi Observatory radio telescope. X-ray classification M3.8, dot group 3363.
Images: 2 pcs
Sun
16.7.2023 at 21.00 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
The third flare of the day detected by the Hankasalmi Observatory radio telescope. The observation window of the radio telescope closed in the middle of the eruption, so the end of it was not detected. X-ray classification M 3.9, dot group 3363.
Images: 2 pcs
Sun
16.7.2023 at 18.07 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
A solar flare detected by the Hankasalmi radio telescope. X-ray classification M1.7, dot group 3372.
Images: 2 pcs • Comments: 2 pcs
Sun
16.7.2023 at 11.24 - Hankasalmi, Murtoinen
(IV)
Arto Oksanen, Jyväskylän Sirius
A solar flare observed by the Hankasalmi Observatory radio telescope. X-ray classification M1.0, dot group 3372.
Images: 2 pcs
Observation news
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