Ready References
A Guide to Backyard Astronomy
Dealing With Dew
Caring for Optics
AAVSO: Services to Astronomy
Signal Conditioning and Data Acquisition Overview
Notes on the Materials of Research
Ready References A Guide to Backyard Astronomy 
Dealing With Dew 
Caring for Optics AAVSO: Services to Astronomy Signal Conditioning and Data Acquisition Overview Notes on the Materials of Research Notes on the Materials of Research