| ▲ | A Short Guide to Celestial Navigation [pdf](devill.net) | |
| 4 points by helterskelter 11 hours ago | 1 comments | ||
| ▲ | helterskelter 11 hours ago | parent [-] | |
Author's home page: https://www.celnav.de/page2.htm Unfortunately he serves a zipped PDF, which is slightly incobvenuebt so I linked to a mirror of the actual PDF file. | ||