Night after night they are there. And night after night they arouse our curiosity, our urge for knowledge. A. Rey, The Stars Hello: My thanks to everyone who turned out for the March meeting at which we heard Alan Hirshfeld, PhD deliver a presentation on the first chapter of his book Starlight Detectives: How Astronomers, […]
By Dr. Ethan Siegel Although Saturn has been known as long as humans have been watching the night sky, it’s only since the invention of the telescope that we’ve learned about the rings and moons of this giant, gaseous world. You might know that the largest of Saturn’s moons is Titan, the second largest moon […]
by Donald E. Pensack Collimation is the alignment of the optical parts of a telescope. Though lining up the secondary under the focuser is essential for uniform illumination of the field of view, there are only two critical alignments in Newtonian collimation: the Focuser Axis (aligned by adjusting the secondary mirror), and the Primary Axis […]
By Kandy Rathinasamy I got started with astronomy about a year ago, so I’m a relative newbie. Here are some tips that I hope will help you get started. You don’t need a telescope You don’t need a telescope to get started. There’s a lot to see with the naked eye. Learn about the constellations […]
About the club
The NSAAC is an association of amateur astronomers who meet and observe from a local site on the North Shore of Massachusetts. Our members share in the beauty of the night sky and the belief that observing should be enjoyable.