Currently, there are about 2 millions searchable deep sky objects, plus all the Hipparcos star catalog (about 100,000 stars). If you zoom in you can actually s

Currently, there are about 2 millions searchable deep sky objects, plus all the Hipparcos star catalog (about 100,000 stars). If you zoom in you can actually see the entirely of Gaia dr2 catalog (about 1 billion sources, mostly stars). We also have most of the major solar system bodies.