MarsWatch 1996-1997

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22 April 1997

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: 4/22/97 U.T.
Time:01:47-02:08 U.T.
CM: 44-46o
Ls: 109.46o
De: +23.78o
Mars Date: July 10
Telescope: 17 1/2" f/4.5 newt. 520x
Filter: Red-W#25, Violet=W#47, Light Blue=W#80A
Seeing: 4 (1-10, 10 best)
Transparency: 5 (1-6, 6 best)
Observing Station: Rima Tenuis Observatory
Schaumburg, IL 60193
+42.09o LAT. North, 88.66o LONG. West,
Elevation: 766'.

Notes: Southern albedo features look dull and washed out; high thin clouds. Two bright evening white limb clouds. Faint SLH. Very faint ECB.

(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.)