By Sue French
Publication through French, Sue
Read Online or Download Celestial Sampler: 60 Small-Scope Tours for Starlit Nights (Stargazing) PDF
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Additional info for Celestial Sampler: 60 Small-Scope Tours for Starlit Nights (Stargazing)
U R S A M AJ O R , . • The g alaxies M 8 1 a n d M82 l i e j ust narthwest of the bowl of th e D i pper. The galaxies fit easily into a 10 field of view. 8 refra ot 68x. North is u p. This vast tract of the celestial vault contains an abundance of deep-sky delights, so let's turn our scopes toward Ursa Major and see what we can find. M81 and M82 look lovely through a small telescope. These two galaxies are the brightest members of the MBl galaxy group at a distance of about 13 million light-years.
6m +28 ° 45' y ( nc Double star 4 . 0m + 1 9° 58' 6 . 7 , 7 . 4 520 8h 40. 9 2,600 8h 50. 5 m + 1 1 ° 49' p le ADS 6915 marks the point of the V. 5-magnitude Mag white. The quadruple star ADS 6921 lies in the northern arm of the V. All four components can be seen at 47X. 2, and lOA. The two brighter stars appear orange and white, while the colors of the dimmer components are difficult to dis cern through a small telescope. The orange star makes a nearly equilateral triangle with two of similar hue and brightness 21' north and 24' east-northeast .
88 Grabbing the Bear by the Tail . . . . . . . 90 Spectral Hues of Double Stars . . . . . . . 92 . . . . . . . . . . . . . . 94 Follow the Arc included more than 20 pretty double stars scattered throughout the constellations of spring. Celestial Sampler * 6S Chapter 2: APRIL · MAY • JUNE Left: When sca n n i n g the sky far Leo, look for the distinctive sickle shape that forms the Lion's head and front quarters. The bright star Reg u l u s (a) l i es at the Lion's heart, and Denebola (�) is his tail.