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Astronomical calendar 2017 of the Institute of Astronomy with National Astronomical Observatory

coritsa calendar_bigThe Astronomical calendar 2017 of the Institute of Astronomy with National Astronomical Observatory contains information about the various astronomical phenomena in 2017. It includes information about the Sun and the Moon; solar and lunar eclipses; the conditions of the visibility of the planets of the solar system and a few bright comets.
It also contains data on meteor showers, some asteroids, the brighter nebulae, star clusters and many other objects. Its content includes popular science articles on various astronomical topics.
The calendar can be seen at: http://nao-rozhen.org/astrocalendar/index.html