Before you come to the observatory, please keep in mind the following things. The observatory is NOT heated (it has a big window in the top of it) so please dress in many layers since you will be standing outside in the middle of the night in a windy field. The observatory staff advise that we dress for roughly 15-20° colder than the weather says.
The observatory doesn’t have an address, but you can get directions using this link on Google Maps. The UNH Department of Physics and Astronomy also provides helpful directions.