March 12, 1997 U.T.
03:20 - 03:42 U.T.
Wratten 25, Red, Wratten 80A, Light Blue.
C.M.: 65-69.7 deg
Ls: 90 deg
De: +22.39 deg
17.5" f/4.5 Newtonian, 520x
Seeing: 7 (1-10, 10 best)
Transparency: 6 (1-6, 6 best)
Notes: Bright clouds on both evening and morning limbs with brighter section
in the clouds. Light ECB and SLH. The dark surface features were not so
dark because of many high thin clouds all over the planet. Solis Lacus and
Thaumasia region were the only very dark features visible. Bright cloud
in Mnenonia and the Tharsis region.
(Legend: N=north. S=south, P=preceding, F=following, Np=North- preceding,
Nf=North-following, Sp=South-preceding, Sf=South- following, MLH=Morning
limb haze, ELH=Evening limb haze,SLH=Southern limb haze, ECB=Equatorial
cloud band,NPC=North Polar Cap.)
Daniel M. Troiani (Mars Section Leader, ALPO)
dtroiani@triton.cc.il.us
Observing Station:
Rima Tenuis Observatory
Schaumburg, IL 60193
+42 deg North, 88 deg West