Patrick Moore, John Watson
Astronomy with a Budget Telescope - 2nd ed. 2012 - Springer New York 2012 - The Patrick Moore Practical Astronomy Series .
9781461421610
Physics and Astronomy
Astronomy with a Budget Telescope - 2nd ed. 2012 - Springer New York 2012 - The Patrick Moore Practical Astronomy Series .
9781461421610
Physics and Astronomy