ASTRONOMY IN VEDANGA JYOTHISHYA
The Vedic literature, Mahabharata and other texts are full of many astronomical observations. The old Vedic astronomical references are very implicit and not explicit in the modern sense.
However, Vedanga Jyotishya from 1300-1400 BC is a very scientific naked eye sun-moon astronomical treatise meant to estimate current positions of moon for Vedic rituals It is a profound school of astronomically scientific work for its period. Its concepts of time unit and time measurement survive in Jyotishya today. The article provides a simple review of material by Kuppanna Sastry, and BG Tilak
The article also provides Devanagari script Vedanga Jyotishya from Kuppanna Sastry.