Popular Astronomy, Volume 51Goodsell Observatory of Carleton College, 1943 |
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Page 112
... latitude of spots north of equator Average latitude of spots south of equator Number of days without spots February and April were months of activity considerably above the current average . It is to be noted that during the last week ...
... latitude of spots north of equator Average latitude of spots south of equator Number of days without spots February and April were months of activity considerably above the current average . It is to be noted that during the last week ...
Page 136
... latitude , using only a watch and the tables given here . The tables with explanations may easily be print- ed on ... Latitude . If the length of the day can be determined to within a minute , the latitude can be determined to within ...
... latitude , using only a watch and the tables given here . The tables with explanations may easily be print- ed on ... Latitude . If the length of the day can be determined to within a minute , the latitude can be determined to within ...
Page 138
... Latitude 10 : 547 minutes +4 hours + 3 minutes - 12 hours 46 ° West of Greenwich . = 3:04 or It is hoped that persons using this method will remember its limita- tions and not expect too much of it . The following two problems and their ...
... Latitude 10 : 547 minutes +4 hours + 3 minutes - 12 hours 46 ° West of Greenwich . = 3:04 or It is hoped that persons using this method will remember its limita- tions and not expect too much of it . The following two problems and their ...
Contents
Frontispiece Plate 1 The Moon | 9 |
The Moon Wm W Payne | 16 |
Concerted Observation of the Aurora M A Veeder | 22 |
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altitude American angle appears asteroids Astronomical Society ataxite atmosphere August brighter brightness catalogs celestial colour comet Copernican Copernicus Cygni December determined diameter distance Earth eclipse Ephemeris equinox error estimates explosion eyepiece fall February feet fireball given Goodsell Observatory Greenwich Harlow Shapley Harvard Harvard College Observatory January Jupiter latitude light curve longitude lunar magnitude March Mare Imbrium Mars mass mathematics maximum meteorite method miles Moon Moon's motion navigation nebulae Notes Nova object observations obtained occultation orbit OTERMA parallax path period photographic planet plates Pleione POPULAR ASTRONOMY position present probably Professor proper motions reports rotation Saturn SCRIPTA MATHEMATICA seen siderites solar spectral spectral type spectroscopic sphere SS Cygni stellar surface telescope theory tion Tucson University Variable Star velocity Venus visible visual visual magnitude volume