The Yerkes 41 inch telescope is primarily operated with Skynet. It is online every clear night unless there are technical difficulties, etc.
| APERTURE: | 1.0 m |
| FOCAL LENGTH: | 8142.0 mm |
| F-RATIO: | 8.0 |
| FILTERS: | uprime, gprime, rprime, iprime, zprime, B, Halpha, Clear |
| CCD SIZE: | 1024 x 1024 (24 um pixels) |
| FOV: | 10.4 x 10.4 arcmins |
| SITE: | Yerkes |