Axarquia, Costa del Sol, Andalucia, Spain
NIGHT SKIES
Events during June
The Moon: First quarter – 3rd, Full moon – 11th, Last quarter – 18th, New moon – 25th. Uranus is stationary on the 19th, Mercury is at greatest elongation on the 20th and the Summer Solstice when the Sun reaches its most northerly point over the Tropic of Cancer is on the 21st.
Mercury
Astronomy, Mythology & Astrology of Mercury
Mercury fades from –1.0 to +1.5 magnitude by the end of the month. During early June, Mercury sets 2 hours after the Sun and is visible low in the northwest. The planet is at greatest elongation (25) on the 20th.

The best times to observe Mercury are when it is an evening star in the spring and a morning star in the autumn. In midsummer the lighter skies make visibility difficult near the horizon.

Venus
Astronomy, Mythology & Astrology of Venus
Venus, at –3.9 magnitude, remains in morning twilight, observable low in the eastnortheast before sunrise. The Moon is above on the 23rd.

Transit On the 8th June 2004, Venus was at inferior conjunction and transited the Sun. Transits of Venus are rare, taking place at greater than 100 year intervals and usually in pairs. The last two transits of Venus were in 1874 and 1882. June's transit began at 7.20h and lasted 6 hours until 13.20h, the total event visible from Europe as a small black disc crossing the lower part of the sun from left to right. The next transit will be in late June 2012. After that, transits of Venus won't occur again until 2117 and 2125.

Before and after inferior conjuction, when Venus is the closest it comes to the earth, are the times at which the planet is most brilliant and can be seen setting or rising 4 hours after or before the sun. The dates of the next two inferior conjunctions are October 28th 2010 and October 26th 2018.
Mars
Astronomy, Mythology & Astrology of Mars
Mars fades further to 1.7 magnitude by the end of June. In Cancer, Mars moves through the Praesepe star cluster during mid-month and sets about 24.00h by the end of June. Saturn is close above on the 17th and the Moon is closeby on the 28th.

At opposition on the 28th August 2003, Mars was only 56 million kilometres from the earth. It showed a disc of 25.1 seconds of arc across which is almost as large as it can ever appear. Mars started 2003 at 310 million kilometres from the earth at 4.5 seconds of arc and 1.6 magnitude. By opposition it brightened 50 times to reach -2.9 magnitude but faded to 0 magnitude by December. Even to the naked eye Mars was a striking object in the summer and autumn sky, easily identifiable by its reddish hue in an area of sky poor in bright stars. Mars will not be as close again for another 15 years.

These favourable oppositions occur every 15 years but other oppositions occur at average intervals of 2 years 2 months. In general Mars is observable every other year, being too close to the sun for favourable conditions during other times. Brightness at opposition varies from -1.0 to -2.9 magnitude, and when furthest from the earth it fades to 1.7 magnitude. The planet can be identified by its orange-red colour.

Jupiter
Astronomy, Mythology & Astrology of Jupiter
Jupiter is still a bright –2.4 magnitude, remaining in Libra. The planet sets about 3.00h by the end of June with the Moon below on the 8th.

Being 770 million kilometres from the sun, the difference in brightness between opposition and conjunction varies less than with Mars, from about -2.8 to -1.8 magnitude.

The 4 largest moons of Jupiter are easily visible through a small telescope, ranging from 4.6 to 5.6 in magnitude. The innermost, Io, takes 1.8 days to orbit the planet making its motion easily detectable within a few minutes.

Saturn
Astronomy, Mythology & Astrology of Saturn
Saturn remains in Cancer and passes through the Praesepe star cluster on the 4th. It sets about 24.00h by the end of June with the Moon closeby on the 28th.

Saturn crossed the equator into the northern hemisphere in 1996 where it will remain until 2010 with the southern side of the ring system facing the earth. Because of its distance, its brightness varies little between opposition and conjunction but is affected by the huge ring system. Seen edge on the rings contribute little or no light.

Every 15 years the plane of Saturn's rings passes through the sun, illuminating first the north and then the south side. For a few days the rings are edge on to the sun. About the same time the earth passes through the ring plane and, depending on the earth's position this may happen just once or 3 times. During 1995/96 there was a triple crossing and the next will be 2038/39. The next single crossings will be in 2009 and 2025.

Saturn's largest moon, Titan, is visible in small telescopes orbiting outside of the ring system.

Uranus
Astronomy, Mythology & Astrology of Uranus
Uranus remains in Aquarius and rises about 1.00h by the end of the month. The planet is stationary on the 19th with the Moon is closeby on the 17-18th.

Brightness varies slightly reaching 5.6 magnitude at opposition. This is bright enough to see with the naked eye but identifying it against the stars is difficult.

Neptune
Astronomy, Mythology & Astrology of Neptune
Neptune remains in Capricorn and rises about 24.00h by the end of June. The Moon is closeby on the 15-16th.

Neptune has an average magnitude of 7.9 which varies little with changing distance.

Pluto
Astronomy, Mythology & Astrology of Pluto
Never brighter than 13 magnitude, Pluto is only visible through powerful telescopes and we will therefore not be reporting on its position in the sky.
Moon
Astronomy, Mythology & Astrology of the Moon
First quarter: 3rd
Full moon: 11th
Last quarter: 18th
New moon: 25th
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