Plaskett Report for January 1931


The month was very poor for observing, only 46 plates being secured on 10 nights with 58.0 hours of observing. The twelve-year average shows 82 plates on 10 nights with a total observing time of 70.5 hours.

Approximately 309 persons visited the observatory.

Director J.S. Plaskett – writing historical and descriptive matter of Volume V, Number 3. Reading proof of Catalogue of Radial Velocities of O and B type stars, Volume V, Number 2. Estimating the intensities of the K line on 125 B type stars. Handled the usual correspondence and administrative work.

Assistant Director W.E. Harper worked 3 nights securing 6 plates. Measured 50 for radial velocity. Gave seminar talk.

Astronomer J.A. Pearce observed 2 nights, securing 12 spectrograms. Measured 36 spectrograms for radial velocity. Completed the orbit of HD 698. Proof read Volume V, NUmber 2.

Astronomer C.S. Beals observed 3 nights obtaining 13 plates. Prepared 2 papers for publication. Began work on construction of new microphotometer. COntinued investigation of Aurora Borealis. Gave 1 seminar talk.

Astronomer R.O. Redman completed 5 least-squares solutions for solar motion and galactic rotation., using radial velocities of K stars observed during the past two years. Read papers on stellar motions and on spectrophotometric work. Gave seminar talk. Observed 2 nights, obtaining 15 spectrograms. Measured 12 spectra for radial velocity.

Computer S.N. Hill prepared 4 radial velocity curves for publication. Worked on period of   Persei and least-squares solution of HD 44701. Making corrections on proof of Volume V, Number 2. Checking phases on HD 216014.

Clerk-Stenographer L.M. Blake handled correspondence, library, accounts and reports. Envelopes for 46 spectrograms. Proof reading Volume V, Number 2. Articles for publication and radio talks.

Mon, Jan 5, 1931 – 7 · The Victoria Daily Times (Victoria, British Columbia, Canada) · Newspapers.com

Astronomical Assistant T.T. Hutchison assisted in observing on 7½ nights. Kept telescope in running order.