NGC 1660 je galaksija u zviježđu Dlijetu.
NGC 1636 | NGC 1637 | NGC 1638 | NGC 1639 | NGC 1640 | NGC 1641 | NGC 1642 | NGC 1643 | NGC 1644 | NGC 1645 | NGC 1646 | NGC 1647 | NGC 1648 | NGC 1649 | NGC 1650 | NGC 1651 | NGC 1652 | NGC 1653 | NGC 1654 | NGC 1655 | NGC 1656 | NGC 1657 | NGC 1658 | NGC 1659 | NGC 1660 | NGC 1661 | NGC 1662 | NGC 1663 | NGC 1664 | NGC 1665 | NGC 1666 | NGC 1667 | NGC 1668 | NGC 1669 | NGC 1670 | NGC 1671 | NGC 1672 | NGC 1673 | NGC 1674 | NGC 1675 | NGC 1676 | NGC 1677 | NGC 1678 | NGC 1679 | NGC 1680 | NGC 1681 | NGC 1682 | NGC 1683 | NGC 1684 | NGC 1685