The Griffith Observer, Bände 29-32Griffith Observatory, 1965 |
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Seite 102
... occur along the Moon's dark limb . The grazes of Z.C. 612 on July 4 and Z.C. 1373 on Sept. 2 both occur during twilight which will not be strong enough to hinder observation . In both cases , the Sun's altitude will be -9 ° at longi ...
... occur along the Moon's dark limb . The grazes of Z.C. 612 on July 4 and Z.C. 1373 on Sept. 2 both occur during twilight which will not be strong enough to hinder observation . In both cases , the Sun's altitude will be -9 ° at longi ...
Seite 14
... occur ; it is measured in degrees counterclockwise , beginning at the north point of the Moon's disk . The position angle of the center of the bright limb ( PACBL ) is measured in a similar way , and can be used to determine exactly how ...
... occur ; it is measured in degrees counterclockwise , beginning at the north point of the Moon's disk . The position angle of the center of the bright limb ( PACBL ) is measured in a similar way , and can be used to determine exactly how ...
Seite 110
... occur close to the poles , and a minimum number occur farther away . As sun- spot maximum is approached the auroral zones enlarge and move toward the equator . They reach their largest size about two years after sunspot maximum . At ...
... occur close to the poles , and a minimum number occur farther away . As sun- spot maximum is approached the auroral zones enlarge and move toward the equator . They reach their largest size about two years after sunspot maximum . At ...
Inhalt
dedicated to those possessors of small telescopes 6 Lambda Orionis Orions headA triple | 10 |
and 11 To resolve all components will | 3 |
RigelA double star Separation 9 require at least a 6inch telescope | 1 |
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Häufige Begriffe und Wortgruppen
9 P.M. STANDARD ANGELES ASTRONOMICAL SOCIETY angle appears April atmosphere BIG DIPPER bright C. H. Cleminshaw California celestial equator color comet conjunction craters December Decl diameter distance Double Star earth eastern eclipse ecliptic elongation equinox full moon galaxy Griffith Observatory GRIFFITH OBSERVER Griffith Park HORIZON AT LATITUDE HORIZON THE NIGHT impact inches inferior conjunction July June Jupiter Libra Library light lunar magnitude March Mars Mercury meteorites meteors million miles minutes MONTH moon's motion moving Neptune objects occur October orbit Pacific Daylight Pacific Standard Palomar Palomar Observatories particles path photographs picture planet Planetarium Pluto PM Z.C. pole quasars radiation radio retrograde motion right ascension satellite Saturn seen September SHOWING THE SKY solar southern space spacecraft SPICA sun's sunset surface Surveyor telescope tion Uranus velocity Venus vernal equinox visible waves WESTERN HORIZON