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1961

Mars 196101050400

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°.

Mars 196011260420

Mars 196011260420

Mars on 1960 November 25/26 at 23:20 local time (04:20 UT) as sketched by K.R. Brasch. 6" refractor at 220x. Seeing 5. Transparency 2-3. C.M. 280°. Seeing very good, but intermittent hazy clouds hindered observation. T = 8°.

Mars 196101050310

Mars 196101050310

Mars on 1961 January 4/5 at 22:10-22:20 local time (03:10-03:20 UT) as sketched by K.R. Brasch. C.M. 270°. 6" refractor at 220x. Seeing 4-3/10. Transparency 4/5. T = 1°.

Mars 196102062300

Mars 196102062300

Mars on 1961 February 6/7 at 18:00 local time (23:00 UT) as sketched by K.R. Brasch. C.M. 263°. 8" reflector at 375x. Seeing 3-5/10. Transparency 4-5/5. T = -1°.

Mars 196102082300

Mars 196102082300

Mars on 1961 February 8/9 at 18:00 local time (23:00 UT) as sketched by K.R. Brasch. C.M. 255°. 6" refractor at 450x. Seeing 5-6/10. Transparency 3/5. T = -1°.

Mars 196101050205

Mars 196101050205

Mars on 1961 January 4/5 at 21:05-21:20 local time (02:05-02:20 UT) as sketched by Kenneth Chalk. C.M. 255°. 6" refractor at 220x. Seeing 3-4/10. Transparency 5/5. T = 1°.

Mars 196102160305

Mars 196102160305

Mars on 1961 February 15/16 at 22:05 local time (03:05 UT) as sketched by T.F. Morris. C.M. 250.48°. 6" refractor at 220x. Seeing 4/10. T = -1°.

Mars 196101040030

Mars 196101040030

Mars on 1961 January 3/4 as sketched by K.R. Brasch. 8" reflector at 300x. T = 1°.

Left: At 19:30-20:00 local time (00:30-01:00 UT). C.M. 243°. Seeing 7. Transparency 2-3. Amber filter used alternately. Haze covered planet causing poor transparency.

Right: At 21:00-21:15 local time (02:00-02:15 UT). C.M. 262°. Seeing 6-7. Transparency 4-5.  Haze cleared resulting in very good transparency, & continuous fine seeing. Amber filter used alternately. Superb view of intensity + colour of different areas:

Mars 196101120440

Mars 196101120440

Mars on 1961 January 11/12 at 23:40-23:50 EST (04:40-04:50 UT) as sketched by Kenneth Chalk. C.M. 231°. 6" refractor at 150-220x. Seeing 6-5 (deteriorated)/10. Transparency 4/5. T = 0°.

Mars 196102112245

Mars 196102112245

Mars on 1961 February 11/12 at 17:45-18:15 local time (22:45-23:15 UT) as sketched by K.R. Brasch. C.M. 228°. 8" reflector at 375x. Seeing 6-7/10. Transparency 4-5/5. Superb seeing revealed most minute detail. Dark band near north polar cap especially prominent. T = -1°.

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