UKHO HMNAO HMNAO/UKHO banner

Astronomical Phenomena

Description:

APh 2009 cover This publication provides a summary of astronomical events several years ahead of the publication of the corresponding edition of The Astronomical Almanac. It contains Section A of The Astronomical Almanac, namely, the 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 and times of civil, nautical and astronomical twilights in addition to the equation of time, the declination of the Sun and the Greenwich Hour angles of the pole stars Polaris and σ Octantis.

A joint publication with the United States Naval Observatory.

Status:

© Crown Copyright 2008
E-mail: hmnao@ukho.gov.uk
Last modified: Monday, 24-Nov-2008 15:25:50 GMT