181.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 17 Mar 2010 at 02:40 EDT (5,213 days ago) in Pisces

182.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Wed, 10 Mar 2010 at 12:08 EDT (5,220 days ago) in Cancer

183.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sun, 28 Feb 2010 at 08:55 EDT (5,230 days ago) in Aquarius

184.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 28 Feb 2010 at 05:33 EDT (5,230 days ago) in Aquarius

185.

Neptune at solar conjunction Neptune is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 14 Feb 2010 at 18:10 EDT (5,244 days ago) in Capricornus

186.

Mars at opposition Mars lies in the opposite direction to the Sun in the sky, making it closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Fri, 29 Jan 2010 at 14:37 EDT (5,260 days ago) in Cancer

187.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 27 Jan 2010 at 13:55 EDT (5,262 days ago) in Cancer

188.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Wed, 13 Jan 2010 at 10:29 EDT (5,276 days ago) in Virgo

189.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sun, 20 Dec 2009 at 08:25 EDT (5,300 days ago) in Leo

190.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Tue, 01 Dec 2009 at 16:36 EDT (5,319 days ago) in Aquarius

191.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 04 Nov 2009 at 14:31 EDT (5,346 days ago) in Capricornus

192.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 13 Oct 2009 at 00:31 EDT (5,368 days ago) in Capricornus

193.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Thu, 17 Sep 2009 at 14:12 EDT (5,394 days ago) in Virgo

194.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 17 Sep 2009 at 05:33 EDT (5,394 days ago) in Pisces

195.

Saturn ring plane crossing Saturn's seasons are changing, making its rings appear edge-on from the Earth. Fri, 04 Sep 2009 at 07:40 EDT (5,407 days ago) in Virgo

196.

Neptune at opposition Neptune lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Mon, 17 Aug 2009 at 16:46 EDT (5,425 days ago) in Capricornus

197.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Fri, 14 Aug 2009 at 23:13 EDT (5,428 days ago) in Capricornus

198.

Jupiter at opposition Jupiter lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Fri, 14 Aug 2009 at 13:45 EDT (5,428 days ago) in Capricornus

199.

Equinox on Saturn Saturn's seasons are changing, making its rings appear edge-on from the Earth. Mon, 10 Aug 2009 at 14:00 EDT (5,432 days ago) in Leo

200.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Wed, 01 Jul 2009 at 03:34 EDT (5,472 days ago) in Pisces