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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.

One halo form

23.5.2021 at 12.36 - 12.51 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

Had a couple of times in the middle of the run to stop to shoot a 22 ° ring, one hand shooting, the other had a dog on a leash.

Images: 5 pcs

One halo form

25.5.2021 at 20.09 - 20.10 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

I taught the puppy to the boat and at the same time watched the 22 ° ring.

Images: 2 pcs

Nova N Cas 2021

22.3.2021 at 21.12 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

While waiting for the Northern Lights, I photographed this bright and easy-to-see Nova with a couple of minutes of exposure. No northern lights were visible this time.

M63

22.3.2021 at 21.15 - 22.15 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

The Messier 63 sunflower galaxy was part of the evening’s observation on my list while waiting for the northern lights.

NGC 7538

22.3.2021 at 22.30 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

There are still no northern lights, so give half an hour to the northern lagoon fog.

M51

5.3.2021 at 20.00 - 20.30 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

Unistellar Messier Marathon planning and observation at the same time

NGC 5906

5.3.2021 at 22.00 - 22.30 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

Unistellar Messier Marathon design and observation at the same time.

NGC 7635

12.2.2021 at 21.30 - 22.00 - Janakkala, Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

Again spent the night on the ice of the lower lake. One of the destinations is Bubble Nebula .

Supernova 2021J

26.3.2021 at 20.00 - 20.30 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

Preparation for the observation of tomorrow's exoplanet TOI 1884.01. at the same time I decided to see if the early supernova 2021J is as bright. This was first discovered on January 2021 and is a type Ia supernova. Location NGC4414 in a helical galaxy.

Images: 2 pcs

M106

25.3.2021 at 20.30 - 21.00 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

In the moonlight, Messier's destinations are good choices, here is one of the destinations that ended up in the field of vision during the evening, M106

M3

25.3.2021 at 21.30 - 21.40 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

In the moonlight, Messier's destinations are good choices, here is one of the M3 destinations that ended up in the field of view during the evening.

NGC 1579

30.3.2021 at 22.00 - 22.40 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

Finally a warm night after the winter frosts, Pleasure when no fingers are frozen. North Trifid was the first destination of the evening.

NGC 1931

30.3.2021 at 23.00 - 23.30 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

The last target of the evening was NGC 1931 fog has been called Orion's fog in miniature.

Supernova 2021gmj

31.3.2021 at 22.00 - 22.30 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

A supernova candidate of 2021 gmj was found in the NGC 3310 galaxy.

Images: 3 pcs

Supernova 2021fxy

1.4.2021 at 00.00 - 00.30 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

The Supernova 2021fxy in the NGC 5018 galaxy was on a low horizon and the moon was looming menacingly, luckily I had time to recover the photons.

M97

3.4.2021 at 22.00 - 22.30 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

At Easter, I look for egg-shaped items in the sky. M97 Owl Nebula NGC 3587

NGC 2805

3.4.2021 at 22.30 - 23.00 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

There was no scientific observation tonight, so I headed the tube toward the sky. In the same figure, NGC 2805 and NGC 2814, and 2820

Images: 2 pcs

Supernova 2021hiz

8.4.2021 at 22.00 - 22.18 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

I prepared the observation of the exoplanet TrES-5b and I had time to suitably describe the supernova 2021hiz, in the same picture by chance the asteroid 3036 Krat. The supernova is of type Ia Located at IC3322A Mag14.4V RA 12h 25m 41s Dec + 07 ° 13 '42 ” The observation of the exoplanet went as has often happened in the near future, three hours went well and in the fourth hour the clouds came. According to the weather report, it should have been cloudless for another hour, well the next attempt next week.

Images: 3 pcs

Exoplanet TOI 1811.01

19.3.2021 at 22.57 - 02.26 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

I was honored to be among the first people to observe the planet candidate TOI 1811.01 Thanks to the Seti Institute and Nasa. Here is my light curve for my observation. The Seti Institute combines the data from the observers and we get confirmed to Nasa for hot Jupiter. The hot planet Jupiter orbits its cool little star in less than 4 days. There was a light cloud at first, but I relied on a weather forecast that promised a clear sky soon and decided to start observing. At one point my connection to the base station was lost and I had to restart eVscoop, I thought this was here, fortunately I ...

Images: 2 pcs

IC 1396

10.4.2021 at 23.00 - 23.31 - Janakkala, Tervakoski (I)
Petri Kuossari, Riihimäen tähtit. yhdistys

I participated in Unistellar’s heavenly safari challenge this week! The challenge is to look for the animals that are currently visible in our night sky. Here is the IC 1396 elephant snake.

Images: 2 pcs

Search result contains observations from time period 1.1.2000 klo 00.00 - 8.12.2022 klo 22.37.