2003 06 16 CHr Note
Carlos E HERNANDEZ's Observation of Mars
on 16 July 2003 at 02:00 , 02:30, 10:00 GMT

  λ=222~ 223°Ls,  ( ω=025, 033, 144°W,   φ=21°S ),   δ=19.4",   ι=32°

02:00 GMT, ω=025°W,
13cm F/8 Off-Axis Parabolic Reflector, 130x, Filter: None
Seeing (1-10): 5-6, Antoniadi (I-V): III
Transparency (1-6): 3 (Intermittent clouds)
Notes:
The South Polar Cap (SPC) appeared brilliant (10/10), but no detail visible within. Mare Australe appeared as a dark (3/10) collar surrounding the SPC. Margaritifer Sinus appeared dark (3/10) towards the preceding (evening) limb adjacent to an extremely bright (9/10) evening limb haze (ELH). Mare Erythraeum appeared dark to dusky (3-4/10) with a dull to shaded (5-6/10) core (Protei Regio/Pyrrhae Regio?). Aurorae Sinus appeared dark (3/10) following the CM whereas a dusky (4/10) projection was noted along the northern border of Mare Erythraeum preceding it. Agathodaemon (Coprates) appeared as a thin, dark (3/10) projection from the NW corner of Mare Erythraeum. Bosporos Gemmatus appeared dark (3/10) with a thin, dusky (4/10) Nectar noted to project from it's following border connected a dark (3/10) Solis Lacus. Chryse-Xanthe appeared bright (7/10) without any detail visible within. Niliacus Lacus appears as a dark (3/10) wedge adjacent to an extremely bright (9/10) northern limb haze (NLH) connected a dusky (4/10) Nilokeras. An extremely bright (9/10) morning (following) limb haze is noted as well.

02:30 GMT, ω=033°W,
Intes Micro Alter M703 18cm F/10 Maksutov-Cassegrain, 162x, Filter: None
Seeing (1-10): 5-6, Antoniadi (I-V): III
Transparency (1-6): 3 (Intermittent clouds)
Notes:
The notes from my first observation apply to this one as well. Additional features observed are dusky (4/10) projections extending from the southern border of Solis Lacus and an extra dusky (4/10) projection noted along the northern border of Mare Erythraeum.

10:00 GMT, ω=143°W,
23cm F/13.5 Maksuotv-Cassegrain, 248x, 344x, Filter: None
Seeing (1-10): 7-8, Antoniadi (I-V): II
Transparency (1-6): 4 (Intermittent clouds)
Notes:
The South Polar Cap (SPC) appears brilliant (10/10) with a thin, dark (3/10) rift noted along it's northern border preceding the CM which connects to a dark to dusky (3-4/10) core. Mare Chronium appears as a dark (3/10) collar surrounding the SPC. Mare Sirenum is visible on the CM as a dark (3/10) wedge with thin dull (5/10) projections noted along it's northern border connecting a dull (5/10) thin albedo feature parallel to it. Phaethontis-Electris appears dusky to bright (4-7/10). Aonius Sinus-Phasis appears dusky to dull (4-5/10) and partially obscured by an extremely bright (9/10) evening (preceding) limb haze (ELH). Mare Cimmerium (eastern portion) appears dark (3/10) adjacent to an extremely bright (9/10) morning (following) limb haze (MLH).Tharsis, Memnonia, Amazonis, and Arcadia appear bright (7/10), but no orographic clouds noted. Diacria (4/10), Azania (4/10), and the Propontis complex (3/10) are noted over the north-following limb adjacent to an extremely bright (9/10). The western (following) border of Mare Acidalium is noted (3/10) projecting from the ELH.

Observer:   Carlos E HERNANDEZ,   Miami   FL


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