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Times are adjusted for daylight saving. Tidal information provided courtesy of the Sydney Ports Corporation. © Commonwealth of Australia, Bureau of Meteorology, National Tidal Centre. 30 pm on 21 April For other dates subtract or add half an hour each week. April 2012 The evening sky See star map opposite The summer constellation of Orion is lying on its side in the western sky. Sirius, the brightest star in the sky, is above and to the left or south of Orion. Procyon, the brightest star in the constellation of Canis Minor, the Little Dog, is above and to the right or north.

Constellations which are easy to find include the Southern Cross, which is marked ‘Crux’ on the maps, Scorpius and Orion. Centaurus with the Southern Cross or Crux. Each map shows the planets visible on the dates and times given for the map. They all lie on or close to a curved line called the ecliptic. The ecliptic denotes the plane in which the Earth and most of the other planets circle the Sun. Sometimes two positions are shown in the one month for a planet. This is because the planets, especially Mercury and Venus, can change their positions very rapidly.

30 pm on 21 December For other dates subtract or add half an hour each week. 32 2012 AUSTRALASIAN SKY GUIDE December 2011 The evening sky See star map opposite The summer constellation of Orion, the Hunter, is high in the southeast. The three stars in the middle of the constellation represent the belt of Orion. Above and a little further to the right or east of the rightmost star of the belt we find a line of three faint objects that, from a city or suburban location, are best seen through binoculars.

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