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Ursa Astronomical Association
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taivaanvahti(at)ursa.fi

Ursa Astronomical Association

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M87

26.11.2021 at 05.50 - 06.00 - Tervakoski, Janakkala (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

The M87 also got lost in front of the tube with a short exposure. The last image is a combination of dozens of individual images from the Unistellar community. The superimage features a relativistic shower radiating from a supermassive black hole in the core of the M87. The M87 galaxy is interesting because it is the first black hole ever photographed by humans. Event Horizon Telescope now took the iconic image of the M87 * black hole in 2019 using telescopes around the world. A relativistic shower from the center of the black hole also appeared within minutes

Images: 3 pcs

Barnard 33

8.11.2021 at 23.00 - 23.30 - Tervakoski (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

The main focus of the evening was the Asteroid 2002 AW34 crossing, which I noticed and the result was negative. After scientific work, I decided to test a new optolong L-Pro filter, pictured with a horsehead mist

M16

4.9.2021 at 22.00 - 22.15 - Loppi (III)
Petri Kuossari, Riihimäen tähtit. yhdistys

At the meeting of star enthusiasts In the end, the weather was favorable, although at first it looked cloudy, when it got dark the sky opened, one of the objects of the evening was called the M16 eagle mist or the creation pillars of the IC4703.

Images: 2 pcs

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

Search result contains observations from time period 1.1.2000 klo 00.00 - 3.12.2021 klo 11.52.