What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
accuracy tban add togetber tbe Angle announces check number CIPHER CODE GERRISH CODE GERRISH SYSTEM code words COLLEGE OBSERVATORY TELEGRAM dedeux degrees and minutes Details of Form discarding tbe left eacb space ephemeris faint nova figure if tbe figure In eacb five numbers Giacobini comet Smith given in degrees Greenwich Mean Midnight Greenwich Mean Noon hand figure HARVARD COLLEGE OBSERVATORY introducing a letter Ip ot ux John Smith Joseph Delano July 24 left band figure letter wrong Mean Noon expressed minutes of arc month Nice comet number of six Numbers Form numbers of five observation OBSERVATORY TELEGRAPHIC CIPHER plain language preceded by word quantities witb reckoned from Mean Right Ascension sbould be addressed significant figures six figures six numbers Syllabic Code tban is provided tbe figure tbe left band tbe syllable Telegrams sbould types of message ux vy wbere no significant William F word in plain Write one figure
Page 7 - Eegard being had to the existence of any possible proper motion, the positions obtained were referred to the mean equinox of the beginning of the year...
Page 8 - The first date of. the-ephemeriğ is expressed by the number of the month and the day of the month, and corresponds to the first position given in the ephemeris.
Page 6 - ... numbered consecutively; thereafter the number was z-(x), where z was the consecutive number of the decision and x that of the meeting (eg, 7-(648) was the seventh policy decision taken since Meeting 630, and was taken at Meeting 648). From January 1, 1952, the number of the decision has been followed by the last two figures of the year and the number of the meeting in that year in parentheses (eg, Decision No. 102-(52/11) was the 102nd decision since Meeting 630, and was taken at the eleventh...
Page 11 - William F. Anderson announces that a comet, visible to the naked eye, was discovered by him, Jan. 15.1432, 1906, Greenwich Mean Time, in Right Ascension 20* 37™ 14*.2 and Declination + 7° 12