10-13 January 2019

Spread over four days and nights in January 2019, amateur and professional astronomers, astronomy enthusiasts and the general public are all invited to share their knowledge and enthusiasm for space by taking part in a scheduled activity or to organise one their own  as part of the 100 Hours of Astronomy event.

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#100HoursOfAstronomy

Telescope Competition Winners Announced

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IAU 100 Global Partners

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IAU Organisational Associates

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Project Partners

IAU 100 Patron Sponsors

100 Hours of Astronomy 2019 - IAU100