Thomas Harriot's Moon Drawings

In 1609 and 1610, Thomas Harriot made a number of drawings of his telescopic observations of the Moon. In addition he also drew "Moon Maps" of what he believed the surface geography of the Moon to be.

Moon Observations

First row (left to right):

• 26 July 1609
• 17 July 1610
• 20 July 1610
• 17 August 1610

Second Row (left to right):

• 18 August 1610
• 20 August 1610
• 12 September 1610
• 15 September 1610

Moon Maps

• Moon map
• Moon map with labels

Note: All dates for Harriot's observations are on the Julian calendar. Add ten days to convert them to the Gregorian calendar.

Images: Copyright, Lord Egremont. Reproduced with permission.