Ready References
A Guide to Backyard Astronomy
Latitude is Everything
Power and Aperture in Binoculars
Variable Stars Explained
Making Variable Star Observations
Hands-On Astrophysics (HOA)
Molding and Casting
(2000).iso/amsci01/images/info24.jpg)
Ready References A Guide to Backyard Astronomy Latitude is Everything Power and Aperture in Binoculars Variable Stars Explained (2000).iso/amsci01/images/observ24.jpg)
Making Variable Star Observations Hands-On Astrophysics (HOA) (2000).iso/amsci01/images/construct24.jpg)
Molding and Casting