hobby #28
Star-Drift Compass Calibration Cards
Capture short star-trail stacks pointed near Polaris from a known airfield spot, then use a script to convert the drift into true-north bearings and print wallet cards for preflight compass checks.
Asking Polaris for a Second Opinion on North
Star-Drift Compass Calibration CardsPolaris is 0.7 degrees off true north. My compass is worse. Tonight we're going to have a conversation.
code-a-day tied to this hobby
- Fixed Stars Need Fixed Points Fixed-Point Arithmetic