A star atlas and telescopic handbook (epoch 1920) for students and amateurs, covering the whole star sphere, and showing over 7000 stars, nebulæ, and clusters; with short descriptive lists of objects suitable for small telescopes; (1910)
Norton, Arthur P. (Arthur Philip) · London, Edinburgh, Gall and Inglis · leaf 50
liYRiB. 18h. 51m. N. 32° 55. The Ring Nebula, between j8 and y. Its form may be seen in a 2^ in.telescope. It bears magnifying well. M. 20 Sagittarii. 17h. 57m. S. 23° 0. The Trifid Nebula. In large telescopes, three dark rifts are seento meet in the middle of the nebula. M. 8 Sagittarii. 17h. 59m.…
Stars
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