A popular handbook and atlas of astronomy, designed as a complete guide to a knowledge of the heavenly bodies and as an aid to those possessing telescopes (1891)
Peck, William, Sir, 1862-1925 · New York, G. P. Putnam's Sons · leaf 256
brilliancy was of the 5thmagnitude ; the present magnitude being about 125.Discovered to be variable in 1881 from the 6th to the 7th magnitude, in the short period of 21 hours. STAR CLUSTERS. M. 23M. 12M. 10M. 19 A beautiful cluster of 10th magnitude stars.A resolvable cluster of small stars.A… … XH o z u Ih- o X I CO Sagittarius. DOUBLE STABS. A triple star of the 4tli magnitude; distances 40 and 45. The magnitudes of the companions are 9 and 10. Magnitudes 6 and 9 ; distance 6. A 3rd magnitude double star ; distance 4. A 5th magnitude double star; distance 29. Magnitudes 4 and 7 ;…
Astronomy
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