Download PDF by Charles Edward Barns: 1001 celestial wonders as observed with home-built

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Low-mag. attendants. R Leo Min. 094134 Val'. 7: 128. Per. 8,d. 8. Per. 2d. 1. Per. 313 d. A fiery, pul- -1 -s o~ Alluring adventure field. I§J 093717 Dark nebulous region. ~ it-R 094124 Mag. 1. HI 56 092721 Neb. Elongated, faint, with double nuclei. sating ~acon! One of the finest of its most mysterious class, d~rytngof special investigation. Webb. a en, and is continuing to take, an important part in the SOlutIon. of the variable star problem. Even with very moder· ••~ ~qUlpment there are numerous stars which demand the un· tUld~ efforts of the amateur.

Sep. 15". Most requiting region of this odd and rather featureless constellation. OBSERVATIONAL HANDICAPS. We live at the bottom of an air-ocean 200 miles in de[Jthbut only as deep. lfball. ll1g lsother~nal reg 1011 15 reached--60 degrees below zero, varyIng only slightly S"Jmmer and winter. At ten miles, total darkness ~t noonday. At thirty miles is encountered the zone of eternal sIlence. Oxygen ceases to exist. At fifty miles, nitrogen; at two hundred, hydrogell and helium. Etheric vIbrations transform into heat, light and electrical energy only when they encounter air) dust-motes and vapor in suspension.

NOy Fa 01:269 132835 Vis. 325. Per. 48yrs. Spc. Aj. 4. 6. M3 133828 Glob. Cl. Pre-eminent in its class, visible unaided in a clear sky. Several hundred thousand suns, compact in center, scattering at circumference. Distance, 13,900 parsecs = 3000 million ast. units-60,OOOlt. yrs. It requires light 65 years to span its angular diameter. Our Sun in its midst would be too faint even to photograph by two magnitudes. Shapley. Nearly 100 short-per. Cepheid variables found by Prof. Bailey. 30' east of BComae Ber.

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1001 celestial wonders as observed with home-built instruments by Charles Edward Barns


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