Three of the craters -- Rochechouart , Manicouagan and Saint Martin -- formed a chain at latitude 22.8 ° N , while Obolon ' and Red Wing lay on identical declination paths with Rochechouart and Saint Martin respectively .
Three of the craters -- Rochechouart , Manicouagan and Saint Martin -- formed a 5000 km chain at latitude 22.8 ° N , while Obolon ' and Red Wing lay on identical declination paths with Rochechouart and Saint Martin respectively .