Popular Astronomy, Volume 58Goodsell Observatory of Carleton College, 1950 |
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Page 82
... March 20 at 11 P.M. An annular eclipse on March 18 will be visible only from the South Atlantic Ocean . Moon . The phases of the moon will occur as follows : Full Moon Last Quarter New Moon First Quarter March 4 5 A.M. 10 9 P.M. 18 9 ...
... March 20 at 11 P.M. An annular eclipse on March 18 will be visible only from the South Atlantic Ocean . Moon . The phases of the moon will occur as follows : Full Moon Last Quarter New Moon First Quarter March 4 5 A.M. 10 9 P.M. 18 9 ...
Page 239
... March it had increased to 12th magnitude . Z Camelopardalis has been practically stationary since April , 1948 , a period of about 670 days , with only a few slight indications of variability . S Apodis , 145971. S Apodis has remained ...
... March it had increased to 12th magnitude . Z Camelopardalis has been practically stationary since April , 1948 , a period of about 670 days , with only a few slight indications of variability . S Apodis , 145971. S Apodis has remained ...
Page 247
... March , 1950 * 1234567890 88 11 156 21 62 12 128 22 83 13 124 23 128 14 133 24 134 15 130 25 148 16 110 26 184 17 100 27 187 18 108 28 163 19 101 29 150 20 90 30 100 31 NÕGONUNNNNG 73 69 97 78 Mean Value for March R = 108.9 * From the ...
... March , 1950 * 1234567890 88 11 156 21 62 12 128 22 83 13 124 23 128 14 133 24 134 15 130 25 148 16 110 26 184 17 100 27 187 18 108 28 163 19 101 29 150 20 90 30 100 31 NÕGONUNNNNG 73 69 97 78 Mean Value for March R = 108.9 * From the ...
Contents
FR SECCHI AND STELLAR SPECTRA MARTIN F MCCARTHY S J | 153 |
STRUCTURE AND COMPOSITION OF CANYON DIABLO | 169 |
RADIO WHISTLES SIDNEY VAN DEN BERGH | 177 |
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AAVSO absolute magnitudes absorption Adams American angle appeared Arizona Astronomical Society atmosphere August Barringer Meteorite Crater bright California Canyon Diablo circle classification College comet coördinates curve density Department of Astronomy determined diameter Diedrich Director dome earth eclipse equator Greenwich Harvard Harvard College Observatory Hertzsprung Holden instrument interest iron July June Jupiter latitude Lick Observatory lines luminosity mass maximum meeting meteor Meteoritic Falls Meteoritical Society Mexico minor planets moon motion Mount Wilson mountain Museum node Notes Nova observed OCCULTATIONS VISIBLE paper parallaxes photographic plates present President Professor radial velocity radiation recent refractor Rosebrugh Russell Saturn Schmidt schreibersite Secchi servatory shows solar specimens spectra spectral class spectroscopic spectrum SS Cygni stellar Sunspot surface Taur tektites telescope temperature theory tion University Variable Star velocity VISIBLE IN LONGITUDE Yerkes Yerkes Observatory