Observation of March 11, 1997
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Begin: 01h 50m UT
End: 02h 20m
Ls = 89, diam = 13.9 arcsec
Drawing: 02h 15m, CM 60.
Semi-apo refractor of Osservatorio di Torino, 420 mm f/16.7, 412 X. Seeing
(Antoniadi) V, good transparency.
Notes:
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Very strong turbulence, only a rough sketch is possible. NPC is surrounded
by a dark collar. White clouds at foll. limb. Nothing particular with W25
or W38A.
Paolo Tanga
Mars Program Coordinator
Sezione Pianeti - Unione Astrofili Italiani