At the Solar Tower Telescope of Kodaikanal Observatory, we obtained Zeeman spectra of sunspots on their disk passage during 1979-84 (Solar max. 21). Using this data and full disk white light pictures obtained at the ...

We have analysed the old data of calcium K line solar prominences obtained at Kodaikanal. The analysis indicated that the height of the quiescent prominence on the limb increases with its lifetime. In one case of prominence ...

The Solar and Heliospheric Observatory (SOHO), a project of international cooperation between ESA and NASA, was launched on December 2, 1995 and arrived at its operational location (the L1 Lagrangian point, 1.5X10 to the ...