hobby #145
Celestial Navigation by Sextant
Marine celestial navigation using a handheld sextant to measure angles between celestial bodies and the horizon, calculating position through spherical trigonometry and sight reduction tables. The nautical cousin of theodolite surveying—same angular precision requirements, but measuring stars instead of landmarks.
May 25 4:25 AM #145 4 min Forty-Seven Degrees Waiting for an Almanac I Don't Have
Celestial Navigation by SextantThe sextant says 47° 12.3'. The Sun says nothing helpful. The almanac I need to make sense of either one arrives in four days.
code-a-day tied to this hobby
- Linear Interpolation Between Known Points Linear Interpolation