[Half-hours with the Telescope by Richard A. Proctor]@TWC D-Link bookHalf-hours with the Telescope
CHAPTER I
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(4 and 7-1/2) [gamma] Leonis (3".2).
| Polaris (18".6), mag.
(2-1/2 | and 9-1/2) A four-inch, powers 80 to 120, should exhibit [xi] Ursae Majoris (2".4).
| [sigma] Cassiopeiae (3".1), | mag.
(6 and 8).
[gamma] Ceti (2".6).
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