Get a snapshot of PPM catalog stars on your meridian from here
Browse the Messier catalog by name or by ra
Browse the Yale Bright Star Catalog (revised) by index
Browse the NGC New General Catalog with IC, j2000.0 (revised) by type
try type=OC, Gx, DS, TS, ast, Kt, P, N, etc, more to follow....
Or, select type for NGC viewer
View an HR diagram from Tycho data.
Create an HR diagram from Tycho data.
IAU Constellation guide
Another view of the Constellation guide