sketch

Mars 196012040349

Mars on 1960 December 3/4 at 22:49-23:05 local time (03:49-04:05 UT) as sketched by Kenneth Chalk. C.M. 1 202°. 6" refractor at 220x. Seeing 4. Transparency 4. Detail in northern hemisphere visible only at first. The dark region in the south remained prominent. T = 7°.

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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°.

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Mars 196101120200

Mars on 1961 January 11/12 at 21:00-21:15 EST (02:00-02:15 UT) as sketched by Kenneth Chalk. C.M. 192°. 6" refractor at 150x. Seeing 2-3/10. Transparency 4/5. T = 0°.

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Mars 196012040235

Mars on 1960 December 3/4 at 21:35-22:00 local time (02:35-03:00 UT) as sketched by K.R. Brasch. C.M. 185°. 8 reflector at 165x-300x. Seeing 4-2. Transparency 3. Canal structures seen for first time, appeared diffused and not as hair-like lines. Pentagon shaped area formed by canals was lighter in colour than surrounding rusty red area. T = 7°.

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Mars 196012050255

Mars on 1960 December 4/5 at 21:55-22:05 local time (02:55-03:05 UT) as sketched by G. Wedge. C.M. 180°. 6 refractor at 220x. Seeing 3-4. Transparency 3. Canal to the west only glimpsed, probably an optical illusion. T = 7°.

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Mars 196102162245

Mars on 1961 February 16/17 at 17:45-18:00 local time (22:45-23:00 UT) as sketched by K.R. Brasch. C.M. 182°. 8" reflector at 375x. Seeing 5-(2)/10. Transparency 4/5. Seeing good for only very short period after which it became very poor. T = -1°.

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Mars 196012080425

Mars on 1960 December 7/8 at 23:20-23:30 local time (04:20 UT) as sketched by G. Gaherty. C.M. 174°. 6" refractor at 150x. Seeing 3-5. Transparency 1-2. White area indicated by arrows very plain (Memnoris). T = 6°.

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Mars 196012050215

Mars on 1960 December 4/5 at 21:15-21:35 local time (02:15-02:35 UT) as sketched by K.R. Brasch. C.M. 171°. 8 reflector at 300x. Seeing 4-5. Transparency 4. Drift wrong? T = 7°.

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Mars 196012080400

Mars on 1960 December 7/8 at 23:00-23:10 local time (04:00-04:10 UT) as sketched by G. Wedge. C.M. 169°. 6" refractor at 150x. Seeing 2. Transparency 3. T = 6°.

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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°.

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