| Re: Agnostic gnomon and horary error | Chuck Varney | 10 Sep, 23:56 |
| Re: Learn the southern sky | Robin Stuart | 10 Sep, 12:50 |
| Re: Earhart book by Long | Paul Hirose | 9 Sep, 21:40 |
| Re: Bubble horizon altitude corrections | David Pike | 9 Sep, 20:16 |
| Re: Bubble horizon altitude corrections | Thomas K | 8 Sep, 22:43 |
| Re: Bubble horizon altitude corrections | Thomas K | 8 Sep, 19:17 |
| Earhart book by Long | Paul Hirose | 8 Sep, 18:34 |
| Re: A New Galaxy | David Pike | 8 Sep, 11:12 |
| A New Galaxy | David Pike | 8 Sep, 11:10 |
| Re: Learn the southern sky | Htom Trites | 7 Sep, 14:35 |
| Re: Learn the southern sky | Roger Puttman | 7 Sep, 01:16 |
| Re: Learn the southern sky | Frank Reed | 7 Sep, 01:08 |
| Learn the southern sky | Frank Reed | 7 Sep, 00:35 |
| Re: Bubble horizon altitude corrections | Gary LaPook | 5 Sep, 01:16 |
| Re: Bubble horizon altitude corrections | Gary LaPook | 5 Sep, 00:54 |
| Re: Bubble horizon altitude corrections | Frank Reed | 5 Sep, 00:49 |
| Re: Bubble horizon altitude corrections | Thomas K | 5 Sep, 00:38 |
| Re: Calibrating Your Sextant Without Horizon or Collimator | Paul Hirose | 4 Sep, 23:46 |
| Re: Nautical Almanac 2025 | Dale Lichtblau | 4 Sep, 15:40 |
| Re: Calibrating Your Sextant Without Horizon or Collimator | David Pike | 4 Sep, 11:00 |
| Re: Calibrating Your Sextant Without Horizon or Collimator | Frank Reed | 3 Sep, 17:14 |
| Calibrating Your Sextant Without Horizon or Collimator | David Pike | 3 Sep, 12:07 |
| Re: Is 20" arc error compatible with "free of error for practical use"? | Nicola B | 2 Sep, 15:41 |
| Re: US Naval Observatory back online | Chuck Varney | 1 Sep, 20:20 |
| Moon Time | Bob Goethe | 1 Sep, 19:55 |
| Re: Nautical Almanac 2025 | Sean C | 1 Sep, 01:28 |
| Re: Nautical Almanac 2025 | Sam Lyness | 31 Aug, 20:15 |
| Re: Nautical Almanac 2025 | Dave Walden | 31 Aug, 19:03 |
| Re: Nautical Almanac 2025 | Gary LaPook | 31 Aug, 04:55 |
| Re: Nautical Almanac 2025 | Dale Lichtblau | 31 Aug, 03:11 |
| Re: Nautical Almanac 2025 | Huub Robroek | 30 Aug, 14:03 |
| Re: Bubble horizon altitude corrections | David Pike | 30 Aug, 08:53 |
| Re: Bubble horizon altitude corrections | Gary LaPook | 30 Aug, 00:05 |
| Re: Bubble horizon altitude corrections | Gary LaPook | 29 Aug, 23:52 |
| Re: Bubble horizon altitude corrections | David Pike | 29 Aug, 22:03 |
| Re: Bubble horizon altitude corrections | Thomas K | 29 Aug, 18:58 |
| Re: Rocket launch and navigation stars | Rafael C. Caruso | 29 Aug, 13:12 |
| Re: Is 20" arc error compatible with "free of error for practical use"? | David Pike | 28 Aug, 20:27 |
| Re: Nautical Almanac 2025 | Alan S | 28 Aug, 01:45 |
| Re: Is 20" arc error compatible with "free of error for practical use"? | David Pike | 27 Aug, 17:44 |
| Re: Is 20" arc error compatible with "free of error for practical use"? | Art Leung | 27 Aug, 17:07 |
| Re: Is 20" arc error compatible with "free of error for practical use"? | Peter B | 27 Aug, 15:58 |
| US Naval Observatory back online | Gary LaPook | 27 Aug, 15:08 |
| Re: Rocket launch and navigation stars | Frank Reed | 27 Aug, 15:06 |
| Re: Rocket launch and navigation stars | Frank Reed | 27 Aug, 14:49 |
| Re: Rocket launch and navigation stars | Frank Reed | 27 Aug, 14:00 |
| Re: Rocket launch and navigation stars | Frank Reed | 27 Aug, 13:56 |
| Re: Is 20" arc error compatible with "free of error for practical use"? | David Pike | 27 Aug, 10:11 |
| Is 20" arc error compatible with "free of error for practical use"? | Nicola B | 25 Aug, 20:02 |
| Re: Rocket launch and navigation stars | David Pike | 25 Aug, 19:29 |
| Re: Rocket launch and navigation stars | Robin Stuart | 25 Aug, 17:44 |
| Re: Rocket launch and navigation stars | David Pike | 25 Aug, 16:49 |
| Re: Rocket launch and navigation stars | Robin Stuart | 25 Aug, 12:44 |
| Re: Rocket launch and navigation stars | Rafael C. Caruso | 24 Aug, 19:01 |
| Re: Rocket launch and navigation stars | Rafael C. Caruso | 24 Aug, 18:40 |
| Re: Rocket launch and navigation stars | David Pike | 24 Aug, 17:14 |
| Re: Rocket launch and navigation stars | Frank Reed | 23 Aug, 20:59 |
| Easy Sun GHA next week (EqT=0) | Frank Reed | 23 Aug, 18:30 |
| Re: Celestaire logo | Sean C | 21 Aug, 17:02 |
| Celestaire logo | Paul Hirose | 20 Aug, 21:12 |
| Re: B Cooke and Son Hull | Michael Bradley | 15 Aug, 22:03 |
| Re: Underwater bells as navigation aids | Paul Hirose | 15 Aug, 18:42 |
| Re: Nautical Almanac 2025 | Dave Walden | 15 Aug, 12:11 |
| Re: Next Steps in CelNav Journey... | Art Leung | 14 Aug, 18:36 |
| Re: B Cooke and Son Hull | David Pike | 14 Aug, 17:34 |
| Re: Nautical Almanac 2025 | Martin Caminos | 14 Aug, 15:20 |
| Re: Update on search for the Earhart plane, 87 years later | D Maracle | 14 Aug, 15:14 |
| Nautical Almanac 2025 | Rafael C. Caruso | 13 Aug, 21:00 |
| Re: Update on search for the Earhart plane, 87 years later | Gary LaPook | 13 Aug, 06:22 |
| Re: Traditional navigation by slide rule | Brian Walton | 13 Aug, 01:03 |
| Re: Update on search for the Earhart plane, 87 years later | Paul Hirose | 12 Aug, 21:33 |
| B Cooke and Son Hull | David Pike | 12 Aug, 21:02 |
| Re: Update on search for the Earhart plane, 87 years later | Gary LaPook | 11 Aug, 07:37 |
| Re: Update on search for the Earhart plane, 87 years later | Gary LaPook | 11 Aug, 07:30 |
| Re: Update on search for the Earhart plane, 87 years later | Gary LaPook | 11 Aug, 06:46 |
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