Welcome to the Mason-Dixon Astronomer (MDA), the newsletter of the Westminster Astronomical Society, Inc. The MDA is published once a month and contains alot of insight into amateur and professional astronomy.
The current year's editions can be found above, new editions are published by the weekend before our General Meeting (second Wednesdays of the month). Previous year's edition can be found in the online archives, or by visiting the McDaniel College's Library.
