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Thursday, August 27, 2020


Opposition of Ceres Friday 28 August 2020

Location of Ceres as seen looking east from Adelaide at 19:17 ACST (90 minutes after sunset) on Friday 28 August, when it is at opposition. Similar views will be seen elsewhere in Australia 90 minutes after sunset (click to embiggen)
Approximate view in 10x50 binoculars at the same time, use the bright star Fomalhaut, the brightest star above the eastern horizon at this time, as your guide. (click to embiggen)

Ceres is the second largest dwarf planet after Pluto and the only dwarf planet in the inner solar system. It comes to opposition, when it is biggest and brightest, on Friday August 28. It won't be spectacular at magnitude 7.7 you will need good binoculars to see it as a point of light and you will need to watch it move over several days to see it move to be sure you have seen it. But it will be cool to say you have seen a water world in the skies.

Black and white spotters map suitable for printing, the circle is the approximate field of view of 10x50 binoculars. the orientation is the same as in the binocular chart above, in that chart c2 Aqr is the same as 88 Aquarii. Click to embiggen and print

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