... Enjoy a bit of astronomy history this month as we welcome Dr. Daniel W.E. Green, Astronomer at the Harvard-Smithsonian Center for Astrophysics, Editor of International Comet Quarterly, and Director of The Central Bureau for Astronomical Telegrams (CBAT). ... CBAT also maintains a Recent Comet Magnitudes Page which serves as a link between the work of amateur astronomers and the professional astronomical community. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...