g Sextantis


Gamma Sextantis is a triple system, a close companion ‘B’ with an orbit of 77.55 years and a much fainter 12 magnitude companion ‘C’ at 36" and PA 325. In 2000 ‘B’ will be at a position angle of 61º and a separation of 0.61".

Gamma Sextantis is most easily found due east seven degrees from alpha Hydrae. If you haven't studied Hydra, then you should be able to find alpha Hydra two full fields of vision to the southwest of alpha Sextantis. Once you find Alpha Hydra move east one complete field of vision: binoculars.

In the same field of view is the galaxy NGC 3115, seen edge-on. It should be near the centre of your field of view. It takes a medium sized telescope to begin to see its elongated shape. The galaxy is 14 million light years away.


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© 1999-2000 by Richard Dibon-Smith.