SIGMA - GRANAT

SIGMA sky coverage
==================


Since december 1, 1989, the SIGMA telescope has been making more than 800 sky 
observation sessions achieving spectrometry as well as high resolution images 
(a few arc-minutes accuracy) of galactic and extragalactic sources
between 35 KeV and 1.3 MeV.

image:images/galactic.center.gif[width="500"]

It means more than 11000 imaging hours out of which more than 2000 hours
dedicated to the Galactic Center.

The SIGMA planning gives the list of the observations made by the telescope
for several years :

* link:obs-1989[Year 1989]
* link:obs-1990[Year 1990]
* link:obs-1991[Year 1991]
* link:obs-1992[Year 1992]
* link:obs-1993[Year 1993]
* link:obs-1994[Year 1994]
* link:obs-1995[Year 1995]
* link:obs-1996[Year 1996]
* link:obs-1997[Year 1997]