Date (U.T.): January 29, 2010
Time (U.T.): 05:30-06:30
CM (Degrees West): 127.4*-142.0*
Ls: 044.4* (Mid-Northern Spring/Southern Autumn)
De: 014.6*, Ds: 17.1*, p 100%, 14.1”
Instrument: 9-inch (23-cm) F/13.5 Maksutov-Cassegrain
Magnification: 295x and 388x
Filters (Wratten): 30 (Magenta) and 80 (Blue)
Seeing (1-10): 7-8, Antoniadi (I-V): II
Transparency (1-6): 5
05:45 U.T. (CM 131.0*W, Wratten 30 (Magenta)): The North Polar Cap (NPC) appears brilliant (10/10) with a dark (3/10) collar comprised of Mare Boreum. Mare Sirenum appears dark to dusky (3-4/10) over the southern limb with dull (5/10) projections from it’s northern border connecting to “Valhalla” (4-5/10). Tharsis appears dusky to shaded (4-6/10) and mottled over the central meridian (CM). Nix Olympica appears as a bright to very bright (7-8/10) orographic cloud (Mountain-associated) is visible following the CM over the Tharsis region (a water-ice cloud over the flanks of Olympus Mons). Mare Acidalium appears dark to dusky (3-4/10) over the North-preceding (Np) limb with a dusky to dull (4-5/10) Nilokeras connecting to a dusky (4/10) Lunae Lacus. Chryse-Xanthe appears very to extremely bright (8-9/10) over the preceding (morning) limb. Ganges appears as a dull (5/10) band extending between Lunae Lacus and Aurorae Sinus (3-4/10). Agathodaemon (Coprates) appears a thin, dark to dusky (3-4/10) projection extending from the following border of Aurorae Sinus. Tithonius Lacus appears a dusky (4/10) “knob” at the following end of Agathodaemon. Mare Erythraeum appears dusky to dull (4-5/10) and mottled and bright to very bright (7-8/10) haze over it on the preceding limb. Solis Lacus appears dark to dusky (3-4/10) and “fan-shaped” towards the South-preceding (Sp) limb. Aonius Sinus appears as a dark (3/10) wedge towards the southern limb. Trivium Charontis and the Propontis Complex appear as dark to dusky (3-4/10) condensations towards the following (morning) limb. Elysium appears bright to very bright (7-8/10) towards the following limb. Memnonia and Zephyria appear bright (7/10) without any detail visible within. The evening limb haze (ELH), southern limb haze (SLH), and morning limb haze (MLH) appear very to extremely bright (8-9/10).
A digital image produced using Photoshop CS3.