Glenn Chaple's observing basics: An asterism by any other name
September 2007: Read about Chaple's Arc, an asterism known by other names.
Last year, I described an eye-catching group of double stars I first found in 1972. While searching with a 3-inch reflector for the double star h1470, I stumbled upon this collection a degree northeast of 25 Cygni. To my surprise and delight, h1470 was in the company of three similar-looking pairs — all arranged in an arc less than a half degree across.