All aartis
Ganpati enthroned with Riddhi and Siddhi, a Ravi Varma Press print
Riddhi-Siddhi Ganapati, Ravi Varma Press, about 1900. The Metropolitan Museum of Art, public domain.

Puja guide

Everything around the aartis: what to gather, how to set up, what happens when, and the days that follow.