Popular Astronomy, Volume 59Goodsell Observatory of Carleton College, 1951 |
From inside the book
Results 1-3 of 22
Page 72
... right ascension . For ob- servations not exceeding an hour - angle of one hour , the change of the dispersion component in declination is negligible ; in right ascension the dispersion effect is very nearly proportional to the hour ...
... right ascension . For ob- servations not exceeding an hour - angle of one hour , the change of the dispersion component in declination is negligible ; in right ascension the dispersion effect is very nearly proportional to the hour ...
Page 180
... right ascension ( reduced to great circle measure ) and declination , respectively , given by the relations PaR ( cos e cos a sin Po = sin a cos ) - ( 3 ) R { ( sine cos d . cos e sin a sin d ) sin cos a sin cos } . Here R is the radius ...
... right ascension ( reduced to great circle measure ) and declination , respectively , given by the relations PaR ( cos e cos a sin Po = sin a cos ) - ( 3 ) R { ( sine cos d . cos e sin a sin d ) sin cos a sin cos } . Here R is the radius ...
Page 182
... right ascension and declination ( see Chapters V and VI ) . The average num- ber of plates for a series was 147 , the average number of nights 57 ; the observations were spread over a decade or longer . One or two double plates per ...
... right ascension and declination ( see Chapters V and VI ) . The average num- ber of plates for a series was 147 , the average number of nights 57 ; the observations were spread over a decade or longer . One or two double plates per ...
Contents
JOHN LESLIE COMRIE 18931950 CHARLES H SMILEY | 115 |
LONGFOCUS PHOTOGRAPHIC ASTROMETRY CONTINUED | 129 |
GALILEO THE ASTRONOMER GEORGIO ABETTI | 138 |
3 other sections not shown
Other editions - View all
Common terms and phrases
AAVSO absolute magnitude acceleration altitude American angle appear asteroids Astr astrometric Astronomical Society August binaries bright California Carleton College central chondrite cohenite comet components computed crater curve CURVIN H diagonal distance earth effect Ephemeris error eyepiece figures film fireball fringe galaxy Gingrich given Goodsell Observatory Harvard instruments iron January Jour June Jupiter kamacite latitude light longitude lunar Mars mass maximum measured meteor meteorite Meteoritical Society Mexico Milky Moon Moon's Mount Wilson nebulae night node Notes Nova object observations Observatory obtained OCCULTATIONS VISIBLE octahedrite optical parallax path photographic planet plates plessite POPULAR ASTRONOMY position present prism Professor proper motion reference stars reports right ascension rotation saros Saturn schreibersite siderite slits solar eclipses specimen spectra spectrum stellar subclass Sunspot surface symbols Table taenite telescope tion troilite University Variable Star velocity Venus