Daniel M. Troiani
Mars Section Leader, Association of Lunar and Planetary Observers
Rima Tenuis Observatory
629 Verona Ct.
Schuamburg, IL 60193
dtroiani@triton.cc.il.us
dtroiani@usa.net
Date: 4/28/97 U.T.
Time:02:01-02:16 U.T.
CM: 352 deg
Ls: 122.3 deg
De: +24.03 deg
Mars Date: July 13
Telescope: 17 1/2" f/4.5 newt. 520x
Filter: Red-W#25, Violet=W#47
Seeing: 5 (1-10, 10 best)
Transparency: 6 (1-6, 6 best)
Observing Station: Rima Tenuis Observatory
Schaumburg, IL 60193
+42.09o LAT. North, 88.66o LONG. West,
Elevation: 766'.
Notes: Hellas was bright. Bright limb cloud in Librya.
(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.)