Telescopium

• Sagittarius
• Southern crown
• Altar
• Peacock
• Indian
• (Microscope )

The telescope (Latin Telescopium ) is a constellation of the southern sky.

Description

The telescope is an inconspicuous constellation south of Sagittarius ( Sagittarius ). Only one of his star is brighter than the fourth magnitude.

History

The constellation was introduced in 1756 by the French astronomer Nicolas Louis de Lacaille.

It has nothing to do with the Hell in honor of the discovery of Uranus in 1789 introduced, no longer used constellation Herschel Telescope in today Fuhrmann.

Stars

The brightest star in the telescope is 249 light years distant α Telescopii. It is a bluish shining star with six times the mass of our Sun and 200 times the luminosity.

ζ Telescopii is 127 light years distant, yellow shining star of spectral type G9 III.

Double stars

The stars δ1 and δ2 appear due to their small angular separation in the sky to the naked eye as a double star. In fact, they are only seen from the Earth in one direction. δ1 is about 800 light-years, δ2 more than 1100 light years away.

Variable Stars

ξ Telescopii is a 1250 light years distant star that changes brightness with no apparent periodicity.

NGC objects

NGC 6584 is a 43,700 light-years distant globular clusters. To his observation, you need a larger telescope.