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

Ursa Astronomical Association

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

2021 VM25

24.4.2022 at 00.25 - 00.46 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

2021 VM25 (2021 VM25) The asteroid Amor NEO was photographed on the second night of April 2022. The cupid asteroid was discovered by the Mount Lemmon Survey on 14 November 2021 at Mount Lemmon Observatory (G96). Size estimate (220 m - 492 m). There is no orbital information about this asteroid. When photographed, the asteroid was at a distance of 0.1018au and the nearest April 10, 2022 0.072au. 1Picture. first image in the series1 L60s measured, 2022-04-23T 21: 25: 32UT 2459693.39273JDUT 12h34m29.26s + 05d01'57.2 "17.408mag Std Dev 162.477 SNR29.364 FWHM3.585", JPL Horizon 21: 25: 32UT 12h...

Images: 3 pcs

2022 HB

23.4.2022 at 23.38 - 23.59 - Orimattila, Artjärvi, Tähtikallio (IV)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

2022 HB (2022 HB) The Apollo NEO / PHA asteroid was photographed on the second night of the April 2022 work. The asteroid was discovered by the Asteroid Terrestrial- Impact Last Alert System "(ATLAS) search program at the ATLAS-HKO Observatory (T05 ATLAS-HKO, Haleakala) with a 50cm telescope on April 18, 2022. 4 days after its discovery is the closest observation we have made since the day of the discovery! 1Picture. first image in the series1 L60s measured, 2022-04-23T 20: 38: 53UT 2459693.36033JDUT 14h07m57.79s + 18d36'46.7 "16.642mag Std Dev 146.354 SNR21.227 FWHM4.934", JPL Horizon 20:...

Images: 4 pcs

10109 Sidhu

23.4.2022 at 23.14 - 23.36 - Orimattila, Artjärvi, Tähtikallio (II)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

10109 Sidhu (1992 KQ, 1987 HN) The asteroid in the central zone of the main zone was photographed on the second night of the April 2022 work. The asteroid of the Eunomia family was discovered by Eleanor Francis "Glo" at the Helin Palomar Observatory (code 675) on May 29, 1992. The asteroid is named after the Indian-Canadian amateur astronomer Askarn Singh "Sid" Sidhu. He joined the Royal Astronomical Society of Canada at the Victoria Center in 1985 and has been a mentor to new members. Sidhu coordinates the borrowing of telescopes owned by the center and the club’s school program. News of the ...

Images: 3 pcs

679 Pax

23.4.2022 at 23.01 - 23.13 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

The asteroid in the central zone of the 679 Pax (A909 BR, 1909FY, 1973 QD) main zone was photographed on the second night of the April 2022 work. The asteroid was discovered by the German astronomer August Kopff (1882-1960) on January 28, 1909 at the Heidelberg Observatory. August Kopff has found comets 22P / Kopff and C / 1906 E1 and 68 asteroids. The asteroid is named after the Roman mythology of the peace god Pax. Pax also refers to peace, in the time of Augustus peace was also called Pax Romana which lasted a total of 27ea - 180 (207 years). Source Wikipedia https://en.wikipedia.org/wiki/P...

Images: 3 pcs

Supernova SN2022ewj

23.4.2022 at 00.48 - 01.09 - Orimattila, Artjärvi, Tähtikallio (IV)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

NGC 3367 SN2022ewj Type II supernova was filmed on the first night of the April 2022 work. The lion's NGC 3367 is 120 million years old. away, several supernova eruptions have occurred in this galaxy. Source Wikipedia https://en.wikipedia.org/wiki/NGC_3367. The last Supernova was discovered by the Japanese Koichi Itagaki at the Itagaki Astronomical Observatory on March 19, 2022, in the spiral galaxy NGC 3367. Koichi Itagaki has found 3 asteroids as well as comets C / 2009 E1 (Itagaki) and again 205P / Giacobini. Source Wikipedia https://en.frwiki.wiki/wiki/Koichi_Itagaki. Previously, we ph...

Images: 2 pcs

Supernova SN2022hrs

23.4.2022 at 00.03 - 00.25 - Orimattila, Artjärvi, Tähtikallio (IV)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

NGC4647 The SN2022hrs supernova was filmed on the first night of the April 2022 campaigns. Astronomer Koichi Itagaki discovered the supernova SN2022hrs in the Virgo Galaxy NGC4647 on April 16, 2022. NGC 4647 is 63 million light-years away. Nearby is the galaxy M60 (NGC 4649), the last image in the series was selected for measurement. 1Picture. Series 11 image. 11x120s Supernova measured, 12h43m34.35s + 11d34'36.6 "12.686mag Std Dev 7873.111 SNR214.923 FWHM3.620". 2Picture. In the picture, other objects, Asteroid (104957) 2000 JR49 19.560mag, motion is weakly visible. Pictured are galaxies ...

Images: 2 pcs

(7335) 1989 JA

22.4.2022 at 23.35 - 23.57 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

(7335) 1989 AND (1989 JA) The asteroid Apollo NEO / PHA was photographed on the first night of the April 2022 work. The asteroid was discovered by Eleanor Francis "Glo" at the Helin Palomar Observatory (code 675) on May 1, 1989. The total estimate for the asteroid is 1.8km (NEOWISE 0.932 ± 0.153 km) and the rotation estimate is 12h / r (Arecibo and Goldstone), estimate spectral class S. Source Wikipedia https: //en.wikipedia.org/wiki/(7335)_1989_JA . When photographed, the asteroid was at a distance of 0.2815au and the nearest May 27, 2022 0.027 au. 1Picture. first image in the series1 L120s m...

Images: 3 pcs

(137170) 1999 HF1

22.4.2022 at 23.10 - 23.32 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

(137170) 1999 HF1 (1999 HF1) Aten's NEO asteroid was photographed on the first night of the April 2022 work. An audible group of asteroids was discovered by the Loneos exploration program at the Lowel Observatory at Anderson Mesa Station (699) on April 20, 1999. The asteroid 1999 HF1 is the second largest ATEN asteroid, with a size of 3.73km and its moon of about 800m. The rotation time is 2.3192h, the spectral class is SMASSII spec_B => X. We have photographed this subject in the past in connection with the 2019 device days. 1Picture. first image measured, 2022-04-22T 20: 10: 40UT 2459692...

Images: 3 pcs

54598 Bienor

22.4.2022 at 23.03 - 00.41 - Orimattila, Artjärvi, Tähtikallio (I)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

54598 Bienor (2000 QC243) The centaur was filmed on the first night of the April 2022 campaigns. The DES search program discovered the asteroid on August 27, 2000 at the Cerro Tololo Inter-American Observatory in Chile. The size of the asteroid is 187.5km and the rotation speed is 9.14h / r. The asteroid will enter Perihel in January 2028 13.2au. When photographing the asteroid was 14,465au away. We have photographed this object earlier in the March 2022 work. Now we photographed with the method of two observations where the interval between exposures was about 2h. This distant object required...

Images: 3 pcs

54598 Bienor

27.3.2022 at 01.01 - 01.06 - Orimattila, Artjärvi, Tähtikallio (I)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

54598 Bienor (2000 QC243) The centaur asteroid was photographed on the second night of the March 2022 work. (Taxonomy Gray BR) Centaur discovered by Deep Ecliptic Survey (DES) Centaur Search Program (807) Cerro Tololo Observatory on Mount La Serena on August 27, 2000. The DES search program had focused on the search for asteroids in the Kuiper belt, with Robert L. Millis as principal investigator. The search program has found a total of 9 asteroids. Source Wikipedia https://en.wikipedia.org/wiki/Deep_Ecliptic_Survey . The asteroid is named after the Greek mythology Centaur Bienor. Bienor and t...

Supernova SN2022ewj

27.3.2022 at 00.26 - 00.47 - Orimattila, Artjärvi, Tähtikallio (IV)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

NGC 3367 SN2022ewj Type II supernova was filmed on the second night of the March 2022 work. The lion's NGC 3367 is 120 million years old. away, several supernova eruptions have occurred in this galaxy. Source Wikipedia https://en.wikipedia.org/wiki/NGC_3367 . The last Supernova was discovered by the Japanese Koichi Itagaki at the Itagaki Astronomical Observatory on March 19, 2022, in the spiral galaxy NGC 3367. Koichi Itagaki has found 3 asteroids as well as comets C / 2009 E1 (Itagaki) and again 205P / Giacobini. Source Wikipedia https://en.frwiki.wiki/wiki/Koichi_Itagaki . We filmed the ...

Images: 2 pcs

90482 Orcus

27.3.2022 at 00.17 - 00.21 - Orimattila, Artjärvi, Tähtikallio (I)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

90482 Orcus (2004 DW) The audible Plutino Trans-Neptune (TNO) asteroid was filmed on the second night of March 2022. Plutinos are in a 3: 2 orbital resonance with the planet Neptune, a total of 1/4 of the targets in the Kuiper belt are Plutinos. Source Wikipedia https://en.wikipedia.org/wiki/Plutino . The asteroid Orcus was discovered by American astronomers ME Brown, C. Trujillo, DL Rabinowitz on February 17, 2004 at the Palomar (675-Palomar Mountain) Observatory. Michael E. Brown's team has found many TNO targets, including Haumea, Eris, Makemake, Sedna, etc. Dr. Braun has been selected ...

Telescopic comet Borrelly

26.3.2022 at 23.52 - 00.13 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

The 19P / Borrelly comet was filmed on the second night of March 2022. The comet was discovered by the French astronomer Alphonse Louis Nicolas Borrelly on December 28, 1904 at the Besancon Observatory (016 Besancon). Alphonse Borrelly has found comets C / 1873 Q1 (Borrelly), C / 1877 C1 (Borrelly), C / 1877 G2 (Swift-Borrelly-Block), C / 1889 X1 (Borrelly), 19P / Borrelly, C / 1909 L1 ( Borrelly-Daniel) and 18 asteroids. Source Wikipedia https://en.wikipedia.org/wiki/Alphonse_Borrelly . The Deep Space 1 spacecraft visited a 19P / Borrelly comet in 2001 at a distance of 3400km and obtained ima...

Images: 5 pcs

Telescopic comet Schwassmann-Wachmann 3

26.3.2022 at 22.02 - 22.24 - Orimattila, Artjärvi, Tähtikallio (I)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

The 73P / Schwassmann-Wachmann 3 comet was filmed on the second night of March 2022. The comet was discovered on May 2, 1930 by German scientists Friedrich Carl Arnold Schwassmann and Arno Arthur Wachmann at the Berlin Observatory. comet 73P is the parent body of the Tau Herculids meteor flock. Source Wikipedia https://en.wikipedia.org/wiki/73P/Schwassmann–Wachmann . In Perihel, the comet is August 22, 2022. 1Picture. stacked 1-11 images L120s sum of the stars, motion is shown. No asteroids less than 22.0 mag in the picture. 2Picture. stack of images 1-2 measured, 2022-03-26T 19: 02: 40UT 2459...

Images: 3 pcs

1664 Felix

26.3.2022 at 21.35 - 21.56 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Juha Blad, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

1664 The asteroid on the inner edge of the main zone of Felix (1929 CD, 1936 AD, 1947 FC, 1949 UN1,1949 WC, 1954 DD, 1956 TV, 1961 AE) was photographed on the second evening of the March 2022 work. The asteroid was discovered by the Belgian astronomer Eugène Joseph Delporte (1882-1955) on 4 February 1929 at the Royal Observatory of Belgium (012 Uccle). Eugène Delporte has discovered a total of 66 asteroids and the comet 57P / du Toit-Neujmin-Delporte. The people of Turku discovered this asteroid on March 18, 1947, as the third observatory. The asteroid has been named Felix Timmermans (1886-194...

Images: 3 pcs

(468861) 2013 LU28

27.2.2022 at 01.47 - 01.52 - Orimattila, Artjärvi, Tähtikallio (I)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Rauno Päivinen, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

(468861) 2013 LU28 (2013 LU28,2014 LJ9,2015 KB157) The Centaur / Damocloid was filmed on the second night of the February 2022 work. The centaur asteroid was discovered by the Mount Lemmon Survey on June 8, 2013 at Mount Lemmon Observatory (G96) at a magnitude of 21.7. Definition of Damocloid Wikipedia https://en.wikipedia.org/wiki/Damocloids . Definition of Centaur Wikipedia https://en.wikipedia.org/wiki/Kentauri_(little planet) . The definitions of the target asteroid are a bit contradictory, so the common definition fits well as the MPC has used it. The transneptune asteroid has a retrograd...

Images: 3 pcs

(163899) 2003 SD220

4.12.2021 at 16.59 - 17.21 - Orimattila, Artjärvi, Tähtikallio (IV)
Kari Laihia, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Hannu Määttänen, Porin Karhunvartijat

(163899) 2003 SD220 (2003 SD220,2000 AD229) The asteroid NEO NEO / PHA was photographed on the second night of the December work. The Slow Group of Asteroids was discovered by the Loneos exploration program at the Lowel Observatory at Anderson Mesa Station (699) on September 29, 2003. The size of the asteroid is 0.791km and the rotation time is 285h / r. According to NEOWISE observations, the spectral class estimate of Sr. This asteroid of Aten orbits the Earth every 0.75 (275 days) every year. There are radar series on the asteroid, source Wikipedia https://en.wikipedia.org/wiki/(163899)_2003...

Images: 3 pcs

NGC 2371

7.11.2021 at 00.39 - Orimattila, Artjärvi, Tähtikallio (III)
Toni Veikkolainen, Eero Koivula, Olli-Pekka Joronen, Christos Oscar Kambiselis, Kari Laihia, Veikko Mäkelä, Keski-Uudenmaan Altair

The program of the shooting night, which was finally interrupted by the clouds, also accommodated one DS subject photographed in color. In brightness, this cleverly shaped planetary nebula did not celebrate, but even the edge areas were still photographed.

Telescopic comet Faye

7.11.2021 at 00.13 - 00.34 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Eero Koivula, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

4P / (Faye) (P / 1843 W1, P / 1850 W1.1910 e) A comet of the Jupiter family was filmed on the second night of the November work. The comet was discovered by the French astronomer Hervé Auguste Étienne Albans Faye (1814-1902) at the Royal Observatory of Paris on November 23, 1843. The last time we photographed the comet was in August. The size of the comet's core is 3.54km. When filming the comet was 0.999au at a distance and 0.814au at the nearest October 14, 2021. Periheli is September 8, 2021, just inside the Mars orbit. 1Picture The sum of the stack by comet. 2Picture Same stack MaximDL...

Images: 5 pcs • Comments: 4 pcs

3361 Orpheus

6.11.2021 at 23.48 - 00.09 - Orimattila, Artjärvi, Tähtikallio (III)
Kari Laihia, Eero Koivula, Olli-Pekka Joronen, Christos Oscar Kambiselis, Toni Veikkolainen, Veikko Mäkelä, Porin Karhunvartijat

3361 Orpheus (1982 HR) The asteroid Apollo NEO / PHA was photographed on the second night of November. The asteroid was discovered by Cilean astronomer Carlos Torres (1929-2011) at the National Astronomical Observatory (Chile) at Cerro El Roble Observatory (805) on April 24, 1982. In addition to asteroids, Carlos Torres has measured the motion of nearby stars and found a total of 37 asteroids, Wikipedia https: // en. wikipedia.org/wiki/Carlos_Torres_(astronomer) . Cerro El Roble Observatory is located on the mountain of the same name about 63km northwest of Santiago, source Wikipedia https://e...

Images: 3 pcs

Search result contains observations from time period 1.1.2000 klo 00.00 - 22.5.2022 klo 8.34.