Includes a full featured Planetarium - yes, in .xls format and with all expected features: sky simulation; 3D solar system orrey, extended ephemerides tables for the planets and Moon (including a graph comparing it's apparent size etc...), graph depicting the visibility of the planets along a 24 hour period, ephemerides for all the Messier objects, Sun ephemerides with graphs, Jovian system simulation graphs, graphical simulation of Saturn, it's rings and satellites, day and night progression over an Earth map and a lot of miscellaneous calculations, including on the telescope optical parameters and CCD sides.

Note: requires MS Excel or compatible (the macros must be enabled).