Jupiter 4th February 2015

This competition is now closed

By Stus Skyatnight

Published: February 14, 2015 at 11:49 pm

Stuart Hilliker

West Sussex

Meade 8″ SCT/TV 2.5X Powermate//ZWOASI 120MM

Jupiter

2015-02-04T00:00:00

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Jupiter

This image of the Stingray nebula, a planetary nebula 2700 light-years from Earth, was taken with the Wide Field and Planetary Camera 2 (WFPC2) in 1998. In the centre of the nebula the fast evolving star SAO 244567 is located. Observations made within the last 45 years showed that the surface temperature of the star increased by almost 40 000 degree Celsius. Now new observations of the spectra of the star have revealed that SAO 244567 has started to cool again.

Stellar evolution observed in real time

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