Novosti
za 22 maya 2020.
Kalendar' nablyudatelya na iyun' 2020 goda Ocherednoi vypusk ezhemesyachnika, osveshayushego astronomicheskie yavleniya i nebesnye tela, dostupnye dlya nablyudenii nevooruzhennym glazom i lyubitel'skimi opticheskimi sredstvami |
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