How Many Stars CanWe Still See? 2001–2009 ( pdf )
G¨unther Wuchterl, A. Chwatal, M. Reithofer (Th¨uringer Landessternwarte Tautenburg, Germany)
Visual sightings to estimate artificial sky brightening are well suited for citizen-science activities. We report on the results of eight years activities and focus on a direct comparison of two campaigns in May 2001 and 2009, with more than 2000 estimates in Austria.
Raising awareness of light pollution in Ireland. We hope you will join us in our mission to protect and celebrate Ireland’s valuable Dark Sky Heritage.