sketch

Mars 20030719-0520

Mars sketch by Geoff Gaherty.

Date 2003-07-19
Time (UT) 04:58 - 05:26
CM 43-50°
Telescope 28cm f/4.3 reflector @ 300x w/bino-viewer
Filters none
Seeing 4/10
Transparency 4/6, clear
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Mars 20030706-0705

Mars sketch by Geoff Gaherty.

Date 2003-07-06
Time (UT) 06:45 - 07:15
CM 190-197°
Telescope 28cm f/4.1 reflector @ 240x w/bino-viewer
Filters none
Seeing 4-5/10
Transparency 3/6, hazy
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Mars 20030705-0903

Mars sketch by Geoff Gaherty.

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Mars 20030702-0735

Mars sketch by Geoff Gaherty.

Date 2003-07-02
Time (UT) 06:38 - 08:11
CM 226-248°
Telescope 28cm f/4.1 reflector @ 240x
Filters none
Seeing 4-5/10
Transparency 3/6, hazy
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Mars 20010930-0110

Mars sketch by Geoff Gaherty.

Date 2001-09-30
Time (UT) 01:05 - 01:15
CM 265-268°
Telescope 15cm f/6 MN @ 200x w/bino-viewer
Filters none
Seeing 3/10
Transparency clear
Notes Disk appears almost colourless. First time I've seen albedo features worth drawing since July!
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Mars 20010731-0147

Mars sketch by Geoff Gaherty.

Date 2001-07-31
Time (UT) 01:43 - 01:51
CM 134-136°
Telescope 15cm f/6 MN @ 225x w/bino-viewer
Filters none
Seeing 4/10
Transparency clear
Notes Orange colour has not returned to the cental part of the disk. Dark markings becoming more definite.
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Mars 20010725-0211

Mars sketch by Geoff Gaherty.

Date 2001-07-25
Time (UT) 02:07 - 02:16
CM 195-197°
Telescope 15cm f/6 MN @ 225x w/bino-viewer
Filters none
Seeing 5/10
Transparency clear
Notes Detail seems to be coming back after dust storm. More colour & contrast.
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Mars 20010713-0150

Mars sketch by Geoff Gaherty.

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Mars 20010710-0200

Mars sketch by Geoff Gaherty.

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Mars 20010709-0151

Mars sketch by Geoff Gaherty.

Date 2001-07-09
Time (UT) 01:47 - 01:55
CM 335-337°
Telescope 15cm f/6 MN @ 150x w/bino-viewer
Filters none
Seeing 4/10
Transparency clear
Notes Disk appears pale yellow - reddish colour is gone. Markings very low contrast.
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