Isabel Williamson

Mars 196101050400

Mars on 1961 January 4/5 at 23:00 local time (04:00 UT) as sketched by I.K. Williamson. C.M. 281°. 6" refractor at 220x. Seeing 4. Transparency 3. T = 1°.

Continue Reading

Mars 196101120225

Mars on 1961 January 11/12 at 21:25 EST (02:25 UT) as sketched by I.K. Williamson. C.M. 197°. 6" refractor at 150x. Seeing 3/10. Transparency 3/5. T = 0°.

Continue Reading

Mars 196012080340

Mars on 1960 December 7/8 at 22:40 EST (03:40 UT) as sketched by I.K. Williamson. C.M. 163°. 6 refractor at 150x. Seeing 3. Transparency 3-2. T = 6°.

Continue Reading

19591130 Campbell

1959 Nov 30: Letter from Leon Campbell to I.K. Williamson

Continue Reading

661017Williamson

Continue Reading

630100Eclipse1

ROYAL ASTRONOMICAL SOCIETY OF CANADA
Standing Committee on Observational Activities

               Programme for Observing the
Bulletin No. 1	Total Solar Eclipse of July 20, 1963	January 1963


    Greatly encouraged by the response we have already received to the solar eclipse
circular sent out by R. V. Ramsay, National Chairman of this Committee, we are going
ahead with plans for an observation programme in which all members of the Society
and any other interested persons are invited to take part.

Continue Reading

Wedge and Williamson

George Wedge and Isabel Williamson at 1959 RASC AGM (The Lunar section at Work).

Continue Reading

I.K. Williamson

Miss I.K. Williamson at the 1959 AGM. (Dr. Peter Millman is at left.)

Continue Reading

Pages

Subscribe to RSS - Isabel Williamson