The Kodaikanal Solar Observatory is a solar observatory owned and operated with the aid of the Indian Institute of Astrophysics. It is at the southern tip of the Palani Hills 4 km from Kodaikanal city, Dindigul district, Tamil Nadu kingdom, South India. The Evershed impact become first detected at this observatory in January 1909. Solar facts accumulated with the aid of the lab is the oldest continuous series of its type in India. Precise observations of the equatorial electrojet are made right here because of the unique geography of Kodaikanal.Ionospheric soundings, geomagnetic, area vertical float and surface observations are made here regularly.
Summaries of the records obtained are despatched to national India Meteorological Department and worldwide World Meteorological Organization, Global Atmosphere Watch information facilities. They have a complete-time workforce of two scientists and 3 technicians. As early as 1881, Mr. Blanford, then Meteorological Reporter to the authorities of India, recommended the development of the work of solar observations in order to achieve correct measures of the solar’s heating strength on the earth’s surface and its periodic versions. In May 1882, the authorities astronomer at Madras, Norman Robert Pogson, proposed the want for photography and spectrography of the sun and the stars the usage of a twenty-inch telescope, which could be at a hill station in South India.