Plaskett Report for November 1929

The month was much above the average for observing. The continued dry weather reflected in the increased observational time at the telescope. On 17 nights 93 plates were secured with a total exposure time of 121.8 hours. The ten-year average for the month shows 11 nights, 90 plates with a total observing time of 78.9 hours observing.

Approximately 260 persons visited the observatory during the month.

Director J. S. Plaskett was on leave

Tue, Nov 12, 1929 – 1 · Times Colonist (Victoria, British Columbia, Canada) ·

Assistant Director W. E. Harper worked 4 nights securing 16 plates. Measured for radial velocity 60. Adjusting recent observations on former orbits. Review L.O.B. 146 for seminar. Admiistrative duties in Director’s absence.

Astronomer J. A. Pearce observed 5 nights obtaining 36 plates. Gave 1 seminar talk. Worked on manuscript of radial velocity observations of B-type stars. Gave two popular lectures – Parents Teachers Society and Rotary Club.

Astronomer C. S. Beals observed 3 nights obtaining 111 III prism plates for photometric work. Investigated the spectra of southern Wolf Rayet stars on Harvard objective prism plates and classified the stars. Completed paper on Wolf Rayet stars fir observatory publications. Gave one seminar talk.

Astronomer R. O. Redman continued investigation into criteria suitable for dividing giants from dwarfs in K programme. Reviewed possible observational work for next spring. Measured 46 spectra, obtaining 30 plates on 5 nights. Gave 1 seminar talk.

Computer S. N. Hill remeasured 6 fuzzy line B-spectra. Derived galactic latitude and longitude for C stars. Reviewed manuscript of orbit of HD 32990. Wrote article for JRASC. Revised radial velocity catalogue of B-stars.

Clerk-Stenographer Miss L. M. Blake handled the plates envelopes, correspondence, reports and accounts. Miscellaneous typing.

Instrument Maker Foreman T. T. Hutchison assisted in observing on 13 nights. Renewed broken cable in dome and repaired temperature control for spectrograph. Rebuilt development tank and kept telescope in working order.