At Tarapith, Vasishtha performed penance by reciting Tara mantra 300,000 times. Tara was pleased with Vasishtha's penance and appeared before him.
Vasishtha, at Tarapith, undertook a rigorous penance of reciting the Tara mantra 300,000 times.  Tara, impressed by his devotion, manifested herself in front of him.