U-46 Planetarium |
Old Clocks |
Getting Ready |
Show Time |
Historic |
A Piece of History |
A Toast to Totality |
Open Dome |
Home for the World's Largest |
Moon Over Yerkes |
ATS at Yerkes |
Yerkes Archway |
Waiting to Observe |
Cooling Down |
Don't Blink Twice. |
Big Eye |
Business End |
Brass and Glass |
Up the Tube |
ATS on the floor |
Wish this was in my Backyard |
Ancient Giant |
In the Dome |
Stairway to Heaven |
Touring Yerkes |
Below the Floor |
Touring the 40 |
Moving the Telescope |
Refractor with a Secondary Spider |
Long Tube |
Cloudy Night at the Obseratory |
Rear Entrance |
Yerkes Observatory |
Bigger and Smaller |
Glass Cover |
Closed During the Day |
Domes Large and Small |
Domes Out Back |
40-Inch Dome |
Food and Fun in the Fall |
Waiting for the Clouds to Depart |
Northmoor Observatory |
Northmoor Observatory |
Northmoor Observatory |
Northmoor Observatory |
NSA, 25 Years at Wildcat Mountain |
NSA Field Trip to Byron, Illinois |
NSA Field Trip to Byron, Illinois |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Elgin National Watch Company Tour |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Prairie Skies Star Party 2007 |
Transit of Mercury |
Transit of Mercury |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Prairie Skies Star Party 2006 |
Binnie Woods Solar Observing 2003 |
Yerkes Observatory |
Binnie Woods Solar Observing 2003 |
Wildcat Mountain State Park 1989 |
40-inch Refractor |
40-inch Refractor |
Solar Observers at NEAF 2004 |
Solar Telescopes |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 2003 |
Binnie Woods Solar Observing 1993 |
Solar Observers at Astrofest 2002 |