Observe responsibly. Home-builder of: Newtonian and Cassegrain reflectors; Mersenne-Nasmyth catadioptric telescope. Author of book on Mersenne design: "All Done With Mirrors" at http://books.roykaelin.com/ Monthly "Sky Roundup" page at http://roykaelin.com/
"Scientists aren't perfect, just peer reviewed.""Eye of Sauron Observatory", featuring "Sauron's Other Eye", 16" dob, conical Royce mirror.