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This page contains some simple astronomy-related calculations that I use from time to time. They're mostly here for my own benefit.

Distance for Angular Size Calculation

Body: Desired Angular Size:

Horizon Distance Calculation

Eye Height (m): Body:

Telescope Calculation

Telescope Focal Length (mm): Telescope Aperture (mm): Eyepiece Focal Length (mm):

Page last modified: 2006-08-03 13:13:20 UT
Dave Pearson <davep@davep.org>