INTERNATIONAL YEAR of ASTRONOMY Eratosthenes

Spring equinox (India - Ahmednagar)

Saturday 21 March 2009 by perbosc

Bhaskaracharya astronomy research centre in Ahmadnagar,Maharashtra and Mr. Dinesh nisang is asociate with.
He took initiative to do experiment to find out the circumference of the earth.

- place : Ahmadnagar, INDIA, Maharashtra
- latitude : 19.0833 degree
- distance from equator : 19.0833 x111.111 = 2120.36 km
- length of device : 100 cm.
- length of shadow : 35.5 cm.
- angle= 19.54°

- circumference of the earth= 2120.36 x360/ 19.54 =763331.23/19.54 = 39065.05 km.

Ahmadnagar India
Research Center Bhaskaracharya
Longitude 74°45’ E
Latitude 19°05’ N
Angle +19°33’ = +19,55°

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