27 January 2008 CHr Note
C E HERNANDEZ's
Observation of Mars on 27 January 2008

  λ=023°Ls,  ( ω=323°, 330°W,   φ=03°S ),   δ=12.6",   ι=24°

Instrument: 9" (23cm) F/13.5 Maksutov-Cassegrain
Magnification: 248×, 359×
Filters (Wratten): 30 (magenta) and 38A (blue)
Seeing (1-10): 5, Antoniadi (I-V): III
Transparency (1-6): 5

Notes:
02:30 U.T. (Left image, ω=323°W, Wratten 30): The Southern limb appears very bright to extremely bright (8-9/10) with haze present (sections of Mare Australe visible beneath the haze). Hellas appears very bright to extremely bright (8-9/10). Hellespontus appears dark to dull (3-5/10). Noachis appears dusky to shaded (4-6/10). Pandorae Fretum appears dark to dusky (3-4/10). Deucalionis Regio appears bright (7/10). Iapygia Viridis appears dusky to dull (4-5/10) and mottled. Syrtis Major appears dark to dusky (4-/10) and it's southern half appears mottled, especially during moments of steady seeing. Libya appears very bright to extremely bright (8-9/10) with haze projecting over the eastern (preceding) border of Syrtis Major. Sinus Sabaeus and Sinus Meridiani appear dar to dusky (3-4/10). Aeria, Aabia, Eden, and Moab appear bright (7/10). The northern limb appears very bright to extremely bright (8-9/10). Ismenius Lacus appears dark to dull (3-5/10). The eastern (preceding) limb of Mare Acidalium and Niliacus Lacus appear dark to dull (3-5/10) projecting beyond a very bright to extremely bright (8-9/10) following (western) limb. Chryse/Xanthe appears bright to very bright (8-9/10).

03:00 U.T. (Right image, ω=330°W, Wratten 38A): The southern limb and Hellas appear very bright to extremely bright (8-9/10). The preceding (eastern) limb appears very bright to extremely bright (8-9/10). The northern limb appears very bright to extremely bright (8-9/10). The following (western) limb appears very bright to extremely bright (8-9/10). Syrtis Major, Sinus Sabaeus, and Sinus Meridiani appear dull (5/10). Ismenius Lacus appears dull (5/10) as well.

Observer:   Carlos E HERNANDEZ,   Miami   FL


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