MARS OBSERVATION 2003
 Other report is avaiable in portuguese:
DATE     : 06/30/2003 
Time(UT) : 09:03 - 09:13 
CM: 279.1 - 281.6° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 6  Antoniadi (I-V): IV a II 
Transparency (1-6): 5 a 1 
Ls: 212.7°, De:-20.7° , Ds: -13.0° 

The sky was clear during the first half of observation and became clowdy during the second part until the end. SPC bright (10/10). Syrtis Major (4/10) was the darkest at this region, followed by Syrtis Minor (6/10), the dark collar (6/10) around SPC and part of W (6/10) of Sinus Sabaeus (7/10). Mare Australe dark (6/10). Extension from Mare Serpentis until Chalce with 6.5/10. Iapigis,Mare Tyrrhenum  and Mare Hadriacum with the same shade (7/10). Ausonia Cheronesus and Hellas slightly lighter (7/5). All others: 8/10

DATE     : 06/29/2003 
Time(UT) : 06:45 - 07:04 
CM: 255.0 - 259.6° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 5  Antoniadi (I-V): III 
Transparency (1-6): 4 
Ls: 212.0°, De:-20.7° , Ds: -12.8° 

SPC bright (10/10). Dark collar (6/10) around SPC. Extension from Mare Cimmerium until Mare Tyrrhenum with the same shade (7/10). Syrtis Major (5/10) was the darkest of the areas. Xanthus, Ausonia, Hellas and Mare Serpentis with the same shade (7.5/10). All others: 8/10. 
 

DATE     : 06/28/2003 
Time(UT) : 08:40 - 09:00 
CM: 292.5 - 297.3° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 7  Antoniadi (I-V): IV 
Transparency (1-6): 4  
Ls: 211.5°, De:-20.7° , Ds: -12.6° 

SPC bright (10/10). Part E of collar around SPC slightly dark (7/10) but Mare Australe and Cheronesus were darker (5/10). Syrtis Major was the darkest of the areas(3/10). Syrtis Minor was discernable (6/10). Sinus Sabeus darker (6/10) and a uniform brighness. Hellas was identified as 8/10. Iapygia Viridis slightly darker (6.5/10) than Mare Serpentis (7/10). All others with level 8/10. 
 

DATE     : 06/28/2003 
Time(UT) : 04:00 - 04:23 
CM: 224.3 - 229.9° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 7  Antoniadi (I-V): IV 
Transparency (1-6): 5 
Ls: 211.4°, De:-20.7° , Ds: -12.6° 

SPC bright(10/10). SW part(6/10) with collar around SPC lighter than the SE part - Mare Australe: (5/10). Syrtis Minor (6.5/10) darker than Iapygia Viridis (7.5/10). Mare Cimmerium  with similar shade as Mare Tyrrhenum (7/10). Mare Hadriacum and part of SE of Mare Tyrrhenum with similar shades (7.5/10). Eridana and Xanthus light (8/10). Ausonia and Xeronesus (7.5/10) slightly lighter than Hellas (8/10).  Rest of the regions: 8/10 
 

DATE     : 06/27/2003 
Time(UT) : 09:05 - 09:27 
CM: 308.0 - 313.4° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 7  Antoniadi (I-V): IV 
Transparency (1-6): 4  
Ls: 210.8°, De:-20.7° , Ds: -12.3° 

SPC bright(10/10) color around SPC little discernable. Syrtis Major, near terminator, was darker (5/10). Part W of Sinus Sabaeus darker (6/10) than part E (7.5/10). Mare Tyrrhenum e Hellas were identified as 8.5/10. Dark region (6/10) between Mare Australis, Hellespontus and Chalce. NW part of Iapygia Viridis lighter (7.5/10) than part E (6/10). Mare Serpentis (7/10). Other regions with 8/10. 
 

DATE     : 06/25/2003 
Time(UT) : 08:40 - 09:00 
CM: 320.9 - 325.8° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 3  Antoniadi (I-V): I 
Transparency (1-6): 2 
Ls: 209.6°, De:-20.7° , Ds: -11.9° 

Estimates (0-10) (0=dark (background) a 10=brilliant (e.g. SPC)): 
SPC bright(10/10). Collar around SPC little discernable. Syrtis Major at the terminator (7.5/10). Sinus Sabeus dark (7/10). Aeria and Moab slightly lighter (9/10). Mare Tyrrhenum and Hellas were identified as 8/10. Mare Erythraeum was not discerned.  Other regions with 8/10. 
 

DATE     : 06/22/2003 
Time(UT) : 04:35 - 04:46 
CM: 289.9 - 292.5° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 4  Antoniadi (I-V): III 
Transparency (1-6): 4  (moonlight) 
Ls: 207.7°, De:-20.7° , Ds: -11.2° 

SPC very bright (10/10), colar around SPC hardly seen. Mare Serpentis (6/10) darker than Syrtis Major (6.5/10). Dark band (7/10) through Zen Lacus e Peneus, near Hellas. Sinus Sabeus wasn't identified (bright area (8/10) over). Lybia e Isidis Regio bright (8.5/10), Mare Tyrrhenum (7.5/10) e Syrtis Minor (idem) near terminator. OTHER areas: 8/10.

DATE     : 06/21/2003 
Time(UT) : 07:00 - 07:20 
CM: 334.6 - 339.5° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 6  Antoniadi (I-V): IV 
Transparency (1-6): 4  (moonlight) 
Ls: 204.1°, De:-21.1° , Ds: -9.8° 

SPC very bright  (10/10), dark colar (6/10) around SPC - SE part(6/10) darker than center-SW of colar (7/10). Bright area (8.5/10) over Hellas, same position near terminator observed at  21/06/2003 03:50 UT (EC's ?). Iapygia, Mare Serpentis, Noachis, Hellespontus e Chalce with same tons (8/10). , Sinus Meridiani (7/10) more dark than Sinus Sabaeus (8/10). Aeris, Edom Mare Erythraeum, Pyrrhae Regio, Argyroporos e Argyre Iand Moab was 8.5/10. Chryse and Xante was bright (9/10).

DATE     : 06/21/2003 
Time(UT) : 03:50 - 04:20 
CM: 288.4 - 295.7° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 5  Antoniadi (I-V): III 
Transparency (1-6): 4  (moonlight, small turbulence) 
Ls: 204.1°, De:-21.1° , Ds: -9.8° 

SPC very bright (10/10), colar around SPC less darker than other observations (6/10), SE-side of colar (Mare Australe ?) larger than center side. Hellespontus, Noachis and Mare Serpentis (7.5/10). Sinus Sabeus (7/10). Lybia and Isidis Regio appears brigth (9/10), Mare Tyrrhenum and Syrtis Minor wawsn't identified, but in their positions there was a bright area (8.5/10), near terminator. In Hellas and Cheronesus there were dark areas (7.5/10). Syrtis Major (4/10) was thin and darker. Other areas: 8/10.

DATE     : 06/16/2003 
Time(UT) : 09:00 - 09:13 
CM: 51.5 - 54.7° 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 6  Antoniadi (I-V): III 
Transparency  (1-6): 4  (moonlight) 
Ls: 204.1°, De:-20.6° , Ds: -9.8° 

SPC very bright (10/10), dark colar (4/10) around SPC. Pyrrhae Regio, Protei Regio and Solis Lacus was less dark (6/10), hard to detect Solis Lacus. Mare Erythraeum, Aurorae Sinus e Margaritifer Sinus appears a little bright (7/10). Chryse brighter than others (8/10). Tharsis and other areas: (7.5/10)

DATE     : 06/15/2003 
Time(UT) : 08:50 - 09:00 
CM: 58.6 - 61.1 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 225x 
Seeing (1-10): 5  Antoniadi (I-V): II 
Transparency  (1-6): 2  (CLOUDS MOONLIGHT) 
 Ls: 203.5°, De:-20.6° , Ds: -9.6° 

SPC very bright (10/10), dark colar (4/10) around SPC. Mare Erythraeum, Pyrrhae Regio, Protei Regio and Solis Lacus appears little dark (6/10), hard to detect Solis Lacus. Chryse, Tharsis and other areas: (8/10).

DATE     : 05/31/2003 
Time(UT) : 04:15 - 04:35 
CM: 136.0 - 140.9 
Instrument: 14.3cm  F/6.3 (RL) 
Magnification: 100x e 225x 
Seeing (1-10): 6  Antoniadi (I-V): IV 
Transparency (1-6): 4 
Ls: 194°, De:-19.8° , Ds: -6.0° 

SPC bright (9.8/10), W side of Mare Sirenum darker (7/10) than E side (8/10). Aonius Sinus (7/10) little dark. Tharsis and Aeolis (9/10) brighter than other areas (8/10). Better vision at 100x. 
 

 
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