This is a personal, non-commercial website where, from time-to-time, I have used various outside, online references. I should like to thank and acknowledge these and other sources used herein.
Sky-Maps: Provides excellent maps of the night sky which I frequently use as a guide to the relevant blog.
First Light Optics: Their Clear Outside daily weather site provides an excellent forecast of astronomy weather conditions, which unfortunately are not always clear skies!
NASA: Hardly needs an introduction but their APOD consistently provides a source of beautiful and informative astronomy images, as well as everything else to do with the Universe.
ESA: Undertaking some outstanding and original space science, the Rosetta Mission is a magnificent achievement.
Wikipedia: Free online encyclopedia is a major source of astronomy information and images