I made an observation of Mars on December 17, 2005 (01:00 U.T.) under average seeing conditions (5-6/10), but had to peek through "holes" in the clouds passing overhead. The weather did not allow me to make a blue light (W38A) observation. I welcome any comments that you may have on my observation.
Date (U.T.): December 17, 2005
Time (U.T.): 01:00
CM 166.5
Ls: 341.7 (Late Northern Winter/Southern Summer)
De: 19.2, Ds: -7.6, p 0.94. 14.3"
Instrument: 10-inch (25-cm) F/9 Newtonian (Palermiti Observatory)
Magnification: 320x
Filters: Klee OPS Barlow (employs a filter layer within the lens)
S (1-10): 5-6, Antoniadi (I-V): III
Transparency (1-6): 1 (visible through holes in the clouds)
Notes:
01:00 U.T. (CM 166.5): The South Polar Cap (SPC) was not visible at this time (SPR haze?). Mare Chronium appeared dusky (4/10) on the CM. Mare Sirenum appeared dark to dusky (3-4/10) preceding the CM. Mare Cimmerium appeared dark to dusky (3-4/10) following the CM. Electris and Eridania appeared bright (7/10) with thin, dull (5/10) streaks across projecting from Mare Sirenum and Mare Cimmerium. Memnonia, Zephyria, Aeolis, and Aethiopis appeared bright (7/10). The Propontis Complex appeared dusky (4/10) adjacent to the extremely bright (9/10) North Polar Region (Hood) preceding the CM. Phlegra appeared dark to dusky (3-4/10) following the CM towards the North-following limb. Extremely bright (9/10) morning limb haze (MLH), evening limb haze (ELH), and South Polar Region (SPR) were noted as well.
The best of luck in your own imaging and observation of Mars. Happy Holidays and a Happy New Year!
Regards,
Carlos
Date (U.T.): December 17, 2005
Time (U.T.): 01:00
CM 166.5
Ls: 341.7 (Late Northern Winter/Southern Summer)
De: 19.2, Ds: -7.6, p 0.94. 14.3"
Instrument: 10-inch (25-cm) F/9 Newtonian (Palermiti Observatory)
Magnification: 320x
Filters: Klee OPS Barlow (employs a filter layer within the lens)
S (1-10): 5-6, Antoniadi (I-V): III
Transparency (1-6): 1 (visible through holes in the clouds)
Notes:
01:00 U.T. (CM 166.5): The South Polar Cap (SPC) was not visible at this time (SPR haze?). Mare Chronium appeared dusky (4/10) on the CM. Mare Sirenum appeared dark to dusky (3-4/10) preceding the CM. Mare Cimmerium appeared dark to dusky (3-4/10) following the CM. Electris and Eridania appeared bright (7/10) with thin, dull (5/10) streaks across projecting from Mare Sirenum and Mare Cimmerium. Memnonia, Zephyria, Aeolis, and Aethiopis appeared bright (7/10). The Propontis Complex appeared dusky (4/10) adjacent to the extremely bright (9/10) North Polar Region (Hood) preceding the CM. Phlegra appeared dark to dusky (3-4/10) following the CM towards the North-following limb. Extremely bright (9/10) morning limb haze (MLH), evening limb haze (ELH), and South Polar Region (SPR) were noted as well.
The best of luck in your own imaging and observation of Mars. Happy Holidays and a Happy New Year!
Regards,
Carlos
Attached Image:
