International Dark Sky Week

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National Dark Sky Week, who together with IYA2009 Dark Skies Awareness, is endorsing an International Dark Sky Week (IDSW), April 20-26. Please announce and support this as widely as you can. This includes celebrating the Starlight Initiative's "World Night in Defence of Starlight" on April 20th, the opening night of IDSW. URL links for further information are supplied within Jennifer's announcement.

For more information, please visit:

International Dark-Sky Association: IYA Dark Skies Awareness: Starlight Initiative: World Night in Defense of Starlight: American Astronomical Society: Astronomical League:

00:52, 19. Apr. 2009 GuentherWuchterl (Diskussion

WH --GW (talk) 14:52, 28 April 2016 (CEST)