Lunar Parallax Demonstration Project

Lunar Parallax Demonstration Project

LPDP - Parallax Results: Narrow Field, Inter-continental (USA-Europe)

Narrow field refers to the fact that these images were submitted with the Moon as a large disk almost filling the image frame. The resulting star field is small in size but lends itself to extreme accuracy.

Local means that the observers were all within several hundred kilometers of each other.

Each parallax example is shown with a pair of animations. One image shows the difference between the observer's images keeping the background stars fixed in position. The other image shows the difference between the observer's images keeping the Moon fixed in position.

Large-scale Movement East-West (01h20m UT)

Divide, Colorado <--> Maldon, Essex
Approximately 7200km
Both eclipse images are superimposed in the correct
positions as seen by both observers against the same star field.

Divide, Colorado <--> Maldon, Essex
Approximately 7200km
Stars fixed

Divide, Colorado <--> Glasgow, Scotland
Approximately 7200km
Moon fixed

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