It is perhaps most famous for its protoplanetary disk, within which astronomers believed they’d spotted a young planet with the Hubble Space Telescope. Fomalhaut is a young star some 25 light-years away. Of course, those in the Southern Hemisphere enjoy this star at a much higher altitude in the sky. An hour after sunset, it is 6.5° high in the southeast and rising. At magnitude 7.7, you’ll need binoculars or a telescope to make out Neptune’s small disk it may prove a challenge with the bright, nearly Full Moon so close by.Įasier to find may be the magnitude 1.2 glow of Fomalhaut, the brightest star in Piscis Austrinus, which sits south of Aquarius. Both are visible after sunset in northeastern Aquarius, near where the constellation’s border with Pisces. In the evening sky, the Moon will pass 3° south of Neptune at 11 P.M. Currently in Capricornus, the main-belt world will now start moving northeast toward Aquarius, where our targets for tonight lie.
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