Ready References
A Guide to Backyard Astronomy
Understanding Celestial Coordinates
Using a Map at the Telescope
Using the Hands-On Astrophysics Manual
Overview of LabView
Optical Instruments
Radiometric Time Scale
Ready References A Guide to Backyard Astronomy Understanding Celestial Coordinates 
Using a Map at the Telescope Using the Hands-On Astrophysics Manual Overview of LabView 
Optical Instruments Radiometric Time Scale