Celestial Sampler: 60 Small-Scope Tours for Starlit Nights by Sue French

By Sue French

Booklet via French, Sue

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Additional resources for Celestial Sampler: 60 Small-Scope Tours for Starlit Nights (Stargazing)

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I n the 1950s Swiss-born astronomer Fritz Zwicky su ggeste d that such galaxy tails might form star clus­ ers or dwarf galaxies . The tidal plume in NGC 3628 . o es mde ed contain clumpy regions of intense star for­ � � ion - each comprising a few million solar masses. the plu over time these groups of stars �y be freemed todisperses pursue their own course around the g axy. ��e Core of NGC 3628 is also undergOing great turrn . The unu sually high rate of star formation around it u s:arb cleus classifies this object as a sfarburst galaxy.

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 .

82 . . . . . . . . . . . . 84 be visible in a small telescope. Don't overlook several other June galaxies in Ursa Majo r, Dazzling Doubles, Glittering Globulars BOO"tes, and Leo. But in case your sky isn 't dark enough to hunt galaxies, I've also Polar Nights . . 86 . . . . . . . . . . . . . . . 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.

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