Obserwatorium Astronomiczne im. Mikołaja Kopernika

Faculty of Physics, Astronomy and Applied Computer Science Jagiellonian University

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A+ category

In the Evaluation of the quality of research activity for 2022–2025, the Ministry of Science and Higher Education awarded Jagiellonian University A+ rating in the field of astronomy.

Contact

Ul. Orla 171, 30-244 Kraków
Phone: 12 6238 620
For media & schools: press@oa.uj.edu.pl

APOD

Astronomy Picture of the Day

Study program

Positive assessment by the Polish Accreditation Committee

Hyper-Kamiokande

Night under the Stars

Link to the event website

Meteo

Forecast

AllSky camera: OAUJ, Kraków

On the sky

A look at the September sky

31.08.2026

Stars, planets, and moon phases this month.

A look at the summer sky in 2026

09.06.2026

Summer brings long days and very short nights, which does not exactly make for ideal conditions for stargazing; however, there will be many interesting phenomena to observe in the sky during this year’s summer holidays. The August total solar eclipse—visible in Poland as a partial one—is undoubtedly the highlight of the month, alongside the spectacular Perseids and a lunar eclipse.

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Niebo w czerwcu 2026 - widoczne wieczorem planety

A glimpse of the June sky in 2026

25.05.2026

This year’s astronomical summer starts before noon on Sunday, June 21, at 10:25 a.m.—when the Sun, in its annual journey along the ecliptic, reaches its northernmost point from the celestial equator and marking the Summer Solstice

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A Glance at the May Sky in 2026

30.04.2026

Mercury can be seen very low in the morning sky only during the first two mornings, and in the western sky after sunset during the last three days of May. Venus and Jupiter are visible in the western sky in the evening twilight.

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A Look at the April Sky in 2026

26.03.2026

On Wednesday, April 1, the Sun rises at 6:17 a.m. and sets at 7:12 p.m. On the last day of the month, sunrise will take place at 5:19 a.m., and sunset at 7:57 p.m., so the last day of April will last 14 hours and 38 minutes; it will be 6 hours and 33 minutes longer than the shortest day of the year, but still 105 minutes shorter than the longest day in June.

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The sky above - Obserwatorium Astronomiczne im. Mikołaja Kopernika