American whaler Atlas departed to sea in 1817

Of Nantucket, master Robert M. Joy, departed on 19 November 1817 towards the Pacific Ocean and returned on 11 November 1819 with 1.222 barrels sperm and 317 barrels whale.

Source
Catalogue of Nantucket Whalers and their voyages from 1815 to 1870. Hussey&Robinson, Nantucket, 1876.