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: 4/27/97 U.T.
Time:01:51-01:57 U.T.
CM: 341 deg
Ls: 112.55 deg
De: +24.07 deg
Mars Date: July 13
Telescope: 17 1/2" f/4.5 newt. 520x
Filter: Red-W#25, Blue=W#80A
Seeing: 7 (1-10, 10 best)
Transparency: 5 (1-6, 6 best)
Observing Station: NIAGfest '97
NIAGfest Convention
Crosley Ball YMCA Outdoor Center
North Webster, IN 46555
Notes: Both MLH and ELH were very bright with ELH very large. Very bright
fog and clouds in Hellas and southern limb.
(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.)