In addition to all the benefits above, the "Bicycle Astronomy Computer*" level supporters will receive a limited edition Field Notes journal (in lined, unlined or graph for the geeky-at-heart) with the Bicycle Astronomy logo hand-printed on the cover. Beautiful and great for writing your astronomical observations (and the location/time of the star parties) in. Also holds the bookmark!

*Computers, by the way, were people (usually women) who did the complex calculus for planning rocket trajectories. They did math, all day long. And got people to the moon and back!

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