2003 0813 JBs Note

Martian Drawing on 13 August 2003
at 05:15~05:30 GMT by Jeffrey D BEISH.

λ=240ﾟLs, (ω=179°~182°W, φ=20°S), δ=24.2", ι=15°

Note:
SPC clear. Several rifts or dark streaks in SPC. NPR hood seen. No clouds, MH at equatorial zone. BC =1.
Changing my observing hours, staying up late instead of getting up early. Yuk! Extended Barlow distance and increased magnifications by 10%.

Seeing =6-7. Transparency = 5, Altitude 44°.
T=26.1°C

41cm f /6.9 Newtonian, 390-590x
Wratten Filters: W23A, W25, W33, W57, W64, W38A, W47.

The Beish Observatory is located (81°19'34.7"W, 27°21'07.1"N) at Lake Placid, FL, USA.

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