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This publication provides a summary of astronomical events. It is published several years in advance and contains much of Section A of the corresponding Astronomical Almanac. This publication includes phases of the Moon, eclipses of the Sun and Moon, principal occulations, planetary phenomena, elongations and magnitudes of the planets, times of sunrise/set, moonrise/set. Also tabulated are the equation of time, the declination of the Sun and the Greenwich hour angles of the pole stars Polaris and Sigma Octantis.
This publication provides a summary of astronomical events. It is published several years in advance and contains much of Section A of the corresponding Astronomical Almanac (GP100). This includes:
Good experience, easy to find what I was looking for, plus so much more related material beyond what I expected. I'm new to American Nautical Services and I love it.
I've purchased and used copies of the "US Naval Observatory's Nautical Almanac Office & Her Majesty's Nautical Almanac Office" joint publication: Astronomical Phenomena for the Year - - - - for decades. I watch the US Government Printing Office website "like a hawk," to ensure getting a copy every year, but the past two years that has not worked. I found a copy of the 2024 edition at a retailer in the U.K. last year and bought it from them (for US $30) it retails in the US for $14). In desperation again this year, I looked around and found American Nautical Services. They had the 2025 edition for $19.95. I didn't blink, but bought a copy in a heartbeat!! Better still, the publication arrived three days later. Sweet! Thank your American Nautical Services - for having the product I needed (desperately) and getting it into my hands in a flash!
Excellent order completion and delivery.
Good experience, easy to find what I was looking for, plus so much more related material beyond what I expected. I'm new to American Nautical Services and I love it.
I've purchased and used copies of the "US Naval Observatory's Nautical Almanac Office & Her Majesty's Nautical Almanac Office" joint publication: Astronomical Phenomena for the Year - - - - for decades. I watch the US Government Printing Office website "like a hawk," to ensure getting a copy every year, but the past two years that has not worked. I found a copy of the 2024 edition at a retailer in the U.K. last year and bought it from them (for US $30) it retails in the US for $14). In desperation again this year, I looked around and found American Nautical Services. They had the 2025 edition for $19.95. I didn't blink, but bought a copy in a heartbeat!! Better still, the publication arrived three days later. Sweet! Thank your American Nautical Services - for having the product I needed (desperately) and getting it into my hands in a flash!
Excellent order completion and delivery.
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