Plaskett Report for March 1931


The month was away below the average for observing. On 12 nights, with 85.4 hours observing, 57 plates were secured. The twelve-year average shows 16 nights with 105. hours and 143 plates secured.

The local meteorological statistics show average rainfall but sunshine 33 hours below normal.

Director J.S. Plaskett – Major part of time spent in arrangement of material and least-squares solutions of the velocities of the interstellar matter. Usual correspondence, etc.

Assistant Director W.E. Harper observed on 4 nights securing 27 plates. Measured for radial velocity 40. Compiling velocities of A-type stars. Preparing index fr Volume IV of our Publications. Gave a seminar talk and three addresses in Vancouver.

Astronomer J.A. Pearce observed on 2 nights, securing 11 spectrograms, 2 being faint stars of the Ursa Major moving cluster by request of Hertzsprung. Spend month computing motions of interstellar calcium for Volume V, Number 3. Completed article for publication – Volume VI, Number 4.

[Pearce gave a talk titled “Our Great Universe” to the Young People’s Society in Sidney, BC, Ed.]

Sat, Mar 14, 1931 – 17 · Times Colonist (Victoria, British Columbia, Canada) · Newspapers.com

Astronomer C.S. Beals observed 6 nights, obtaining `9 plates. Began investigation on the contours of emission bands in Novae and Wolf Rayet stars. Gave one seminar talk.

Computer S.N. Hill did work on least-squares solution galactic rotation. Deriving galactic longitude and latitude from rt. arc (sic) and declination for B stars. Preparation of 5 graphs of B stars. Work on solar motion graph – Volume VI, Number 4

Clerk-Stenographer handled correspondence, reports, accounts and library work. Typing and preparing for printer Volume VI, Number 4. Proof-reading Volume V, Numbers 1 and 2. Typing articles for publication.

Astronomical Assistant T.T. Hutchison assisted in observing on 8 nights. Repaired dome mechanism and kept telescope in running order.