Online Messier Marathon 2012 – 4th edition!
On April 2012 the Virtual Telescope offered again its most important event: the Online Messier Marathon. This year it was the 4rd edition and, as since 2010, it was included as an official event...
On April 2012 the Virtual Telescope offered again its most important event: the Online Messier Marathon. This year it was the 4rd edition and, as since 2010, it was included as an official event...
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