2003 0728 JBs Note

Martian Drawing on 28 July 2003
at 06:50~07:15 GMT by Jeffrey D BEISH.

λ=230ﾟLs, (ω=346°~352°W, φ=20°S), δ=21.6", ι=26°

Note:
SPC clear. Novissima Thyle separated by Rima Austrialis, but less well-defined, broad riftmerges with Rima Brevis. Argenteus Mons bright at north edge of SPC and Rima Angusta well-defined bordering Argenteus Mons. NPR hood seen as thin bright line on north limb. MH. BC = 0.

NOTE: Too tired to make larger and more detailed drawing of the SPC complex!

Seeing = 7-8. Transparency = 5, Altitude 48°.
T=25°C

41cm f /6.9 Newtonian, 520 x
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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