Special presentation by Karen Yaffe Lottes on a historical site that is in our own backyard, the “International Latitude Observatory”.

• International Latitude Observatory (Gaithersburg site)
• Gaithersburg Latitude Observatory (Facebook page)
• I am Gaithersburg, and I Measured the Stars – 120 Years Ago! (Facebook article based on magazine article below)
• article in inGaithersburg magazine (see page 8)

Karen Yaffe Lottes is an historian and museum educator at the Gaithersburg Community Museum where she creates informal educational opportunities in history and STEM at the museum and the Latitude Observatory. Her book In Search of Maryland Ghosts: Montgomery County was published in 2013 and she has written for In Gaithersburg Magazine, the Gazette, and other area publications.