Friday, May 11, at 8 pm at the Knox Octagon Barn, 588 Middle Rd, Delanson, NY 12053, Albany County. Lecture: ALBERT EINSTEIN >100 Years of Special and General Relativity by Prof. Matt Szydagis (U Albany). Join us for an astronomy lesson and dark sky observing at the Octagon Barn in Delanson, NY! Programs include a 1 hour talk by local astronomy enthusiasts, followed by night sky observing if the weather is clear. Amateur astronomers and families are invited to bring binoculars or telescopes. Telescopes will also be set up for public use. Great for older children and adults! Free! (donations graciously accepted). Sponsored by the Lauterbach Pokorny family. Our mailing address:  Dudley Observatory at miSci - Museum of Innovation and Science, 15 Nott Terrace Heights, Schenectady, NY 12308. info@dudleyobservatory.org