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Tuesday 19 September 2017 - 21:23:12Posted by Bobby
Invention of Phoenix
Phoenixlies near the southern end of Eridanus, close to the bright star, Achernar. It is the largest of the 12 constellations invented at the end of the 16th century by the Dutch navigators Pieter Dirkszoon Keyser and Frederick de Houtman and represents the mythical bird that was supposedly reborn from the body of its predecessor. Its brightest star is Alpha Phoenicis, magnitude 2.4.
Depiction: The Phoenix
Highest in the Sky: October to November
Size Ranking: 37th
Coverage Area: 469 Sq. Degrees
Right Acension: 1 hour
Visibility: 27°N to 90°S
NGC 625: Spiral galaxy
NGC 7702: Lenticular galaxy
Theta Phoenicis: Double star
Zeta Phoenicis: Double variable
Ankaa, Alpha Phoenicis
Best Viewed Objects/Stars
A double star. The two stars of magnitudes 4.0 and 4.2 are not easy to divide: a telescope with an aperture of at least 4 in (100 mm) is needed to separate them.
A star that is both variable and double. The brighter component, an eclipsing binary of the same type as Algol, ranges between magnitudes 3.9 and 4.4 every 1 day and 16 hours. The fainter star of 8th magnitude can be seen with a small telescope.