Newest observations
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Kurikka, Moon
V
1.4.2023 at 16.15 -
Kurikka, Sun
II
1.4.2023 at 16.13 -
Naantali, Pintahalo
II
1.4.2023 at 07.55 -
Kokkola, Satellite
III
1.4.2023 at 05.06 -
Kuhmoinen, Starry sky image
IV
1.4.2023 at 04.10 -
Orimattila, Artjärvi, Viestikallio, Telescopic comet PanSTARRS
II
1.4.2023 at 02.00 -
Kempele, Aurora rays
III
1.4.2023 at 01.00 -
Saarijärvi, Lunar corona
IV
31.3.2023 at 23.26 -
Vaasa, Satellite
IV
31.3.2023 at 23.16 -
Outokumpu, Aurora rays
I
31.3.2023 at 22.28 -
Kangasniemi, A fireball at night, brighter than the venus
III
31.3.2023 at 21.28 -
Puumala, A fireball at night, as bright as a full moon
III
31.3.2023 at 21.25
Contact information
1 observations and 0 comments in queue.
Only observations that have a description and at least one image attached.
6.4.2019 at 23.19 - 23.38 - Orimattila, Artjärvi, Tähtikallio
(II)
Kari Laihia, Dennis Lehtonen, Olli-Pekka Joronen, Christos Oscar Kambiselis, Veikko Mäkelä, Hannu Määttänen, Porin Karhunvartijat
The 46P / Wirtanen comet was filmed on the second night of the April 2019 Equipment Days. The comet of the Jupiter family was discovered by the American astronomer Carl Wirtanen at the Lick Observatory on January 15, 1948. We last photographed the asteroid in January at https://www.taivaanvahti.fi/observations/show/80890 . The comet is already much dimmed to its maximum, filming it was 1.0au away. 1Picture. Average stack by comet, small coma asymmetric. 2Picture. the sum image of the stack stacked according to the stars, the motion is reflected as the stretching of the stars. 3Picture. first i...
Images: 4 pcs
Telescopic comet Wirtanen
28.2.2019 at 22.33 - 23.06 - Valtimo
(II)
Veli-Pekka Häkkinen
Binocular comet Wirtanen
12.1.2019 at 21.02 - 21.34 - Orimattila, Artjärvi, Tähtikallio
(IV)
Kari Laihia, Dennis Lehtonen, Olli-Pekka Joronen, Christos Oscar Kambiselis, Veikko Mäkelä, Hannu Määttänen, Porin Karhunvartijat
46P / Wirtanen NEO / Comet was filmed on the second night of the January 2019 campaign. American astronomer Carl Alvar Wirtanen discovered the comet of the Jupiter family at the Lick Observatory on January 17, 1948. Wirtanen, who has a Finnish background, became interested in astronomy at the age of 12 and built a mirror telescope while still an amateur astronomer, Wikipedia https://en.wikipedia.org/wiki/Ciki Carl Wirtanen has found 8 asteroids in addition to the comet in his name. He did his life’s work at the Lick Observatory at the University of California, Santa Cruz. The observatory is on...
Images: 4 pcs
Binocular comet Wirtanen
27.1.2019 at 19.46 - 20.15 - Hankasalmi, Murtoinen
(III)
Harri Kiiskinen, Jyväskylän Sirius
Yes, this Wirtanen is still spectacular when you can shoot with a decent tute.
Binocular comet Wirtanen
24.1.2019 at 22.30 - Fregenal de la Sierra, Espanja
(III)
Tapio Lahtinen, Tampereen Ursa
Telescopic comet Wirtanen
23.1.2019 at 19.00 - Kuusamo
Voitto Pitkanen, Ursa (Pohjois-Suomi)
The comet continues to leave in the direction of the constellation of the Big Bear. The glow of the moon began to interfere with observation.
Images: 2 pcs
Telescopic comet Wirtanen
13.1.2019 at 00.12 - Kuusamo
Voitto Pitkanen, Ursa (Pohjois-Suomi)
This observation seems to remain the last part of this comet, so let’s put it another way. Wirtta was observed and described many times. Quite a nice 'bright spot' to color the winter gray observation coils.
Binocular comet Wirtanen
11.1.2019 at 23.20 - 00.57 - Helsinki
(IV)
Tero Hiekkalinna, Ursa (Helsinki)
I finally got the 46P / Wirtanen comet described. The tail may be slightly visible at 1 to 2 p.m. Exposure for a total of 1 hour and 12 minutes.
Images: 3 pcs
Binocular comet Wirtanen
12.1.2019 at 22.15 - Orimattila, Artjärvi, Tähtikallio
(III)
Veikko Mäkelä, Ursa (Helsinki)
Tähtikallio's helpers try to make a visual observation of Wirtase, when in urban conditions they were able to see it first due to light pollution and cloudy weather. With the 18x50 binoculars with the stabilizer, the comet was easier. It was not only in an easy location near the Muschida star at the "end" of the Big Bear, but also high in the sky. When the subject happened in the field of view, it stood out easily. Brightness: 7.3 mag (out-out method) DC: 3 Comma: 12 ' The findings are pretty much in line with those made in the world, except the coma was a bit smaller. It should have b...
Binocular comet Wirtanen
11.1.2019 at 17.50 - 05.00 - Helsinki, Maunula
(III)
Jorma Ryske, Etelä-Suomen kosmol. seura
46P/Wirtanen is still actively emitting CN cyanogen radical gas jets and it's distance from Earth is about 0,18AU. Here in first image Wirtanen is exposed 3 hours at near UV 387nm narrowband wavelength, where about 30' diameter coma is visible. In the second image Wirtanen is exposed with R filter, where short dust tail of length 3' toward PA 210° is visible. I made also almost all night long exposures with CN 387nm cyanogen filter, totalling of more than 10 hours of 5 minute exposures during 11 hour of observing time. Few clouds was passing over during evening and meridian flip must also be d...
Images: 3 pcs • Comments: 2 pcs
Telescopic comet Wirtanen
12.1.2019 at 21.45 - Naantali, Rymättylä
(I)
Lasse Nurminen
A couple of single frames without tracking became exposed in the assumed Wirtanen direction. As a cinema manager, there were 75 moths and I could hardly find the Big Bear under Muscida in that picture. Images cropped to a fairly original size.
Images: 2 pcs
Telescopic comet Wirtanen
12.1.2019 at 19.26 - Taipalsaari, Jauhiala
(II)
Heikki Pyysalo
I finally found out and got Wirtanen photographed. The picture is not oo wedding, but the time in the middle hit after a small search.
Telescopic comet Wirtanen
11.1.2019 at 23.15 - Helsinki
(II)
Juha Parvio, Ursa (Etelä-Suomi)
After filming Orion, I quickly wanted to try to see if Comet Wirtanen could still be photographed. That's when it was conveniently next to the Big Bear's muscida star (o UMa) and had already risen close to the zenith. And the comet appeared in the pictures, although it is already clearly dimmed. I then filmed Wirtase for half an hour.
Binocular comet Wirtanen
12.1.2019 at 01.00 - 03.30 - Inkoo
(III)
Sami Multasuo
For a long time, the weather favored shooting and I finally got to shoot 46P / Wirtanen. The subject is in a slightly challenging location in the sense that shooting is done almost straight up.
Binocular comet Wirtanen
12.1.2019 at 00.18 - Mustasaari
(II)
Tommi Järvilehto, Vaasan Andromeda
Finally the first chance to spot Wirta after bad weather and a long flu. Many alignment images were allowed to be taken before I got a comet in the middle of the cell. about 30kp :). There were no very bright stars nearby. Camera in an awkward almost vertical installation. Unfortunately, all the 30s 30s exposures in the main series went to ruin. In Sony's Timelapse api, autofocus was turned on as an exception to the camera's own settings. Autofocus did not work certain properly on a dim subject. There were big balls in the picture. One image was successful. Picture before starting the ...
Comments: 1 pcs
Telescopic comet Wirtanen
9.1.2019 at 22.00 - Kuusamo
Voitto Pitkanen, Ursa (Pohjois-Suomi)
Binocular comet Wirtanen
3.1.2019 at 17.35 - 20.56 - Helsinki, Maunula
(III)
Jorma Ryske, Etelä-Suomen kosmol. seura
46P/Wirtanen is receding but still quite near Earth at a distance about 0,14AU. Here in first image Wirtanen is exposed at near UV 387nm narrowband wavelength, where about 30' diameter coma is visible. In the second image Wirtanen is exposed with R filter, where short dust tail of length 4' toward PA 210° is visible. I used CometCIEF processing (Samarasinha, N. H., Martin, M. P., Larson, S. M, 2013. Cometary Coma Image Enhancement Facility, http://www.psi.edu/research/cometimen) to enhance 387nm stacked images to visualize possible rotation effect of cyanogen radical CN jets. In the third imag...
Images: 3 pcs
Binocular comet Wirtanen
3.1.2019 at 18.02 - Kangaslampi
(V)
Esa Heikkinen, Anni Heikkinen, Veli-Pekka Hentunen, Warkauden Kassiopeia
Outgoing Wirtanen photographed with a CCD and digital wit. In the second CCD image, the stretch of the image is knocked out as much as possible so that the entire comet material becomes widely visible. Wirtanen fills almost the entire field of view, thus being at least 20 arc minutes in size and perhaps slightly egg-shaped, so the tail could be right downward. CCD images are 18 'x 23' in size. Illustrated by Anni and Esa Heikkinen, processing of CCD images Veli-Pekka Hentunen.
Images: 3 pcs
Telescopic comet Wirtanen
2.1.2019 at 22.30 - Kaarina, Ravattula
(II)
Matti Tainio, Ursa (Länsi-Suomi)
Perhaps the last observation about Wirtase. This time the follow-up was included and the result improved miraculously. When I got the description to rotate, I also tried visual observation with a telescope, but poor seeing combined with the comet’s location in almost the zenith made it remain a company. In the first image, the view of the 200mm lens is almost completely, and in the second image, there is a 100% body around the comet.
Images: 2 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.
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