Around Recta, RUPES (The Straight Wall)


Date & Time: Jul 10 2000, 20:58 JST(+0900), 1/10sec. Exp.
Optical: VIXEN 20cm(7.9") VISAC, afocal method with LV12mm eyepiece
Synthesized focal length f=2865mm (equivalent f=15356mm in 35mm film format)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: OLYMPUS C-2020Z
Location: Kokubunji-city, Tokyo

Camera Settings: Mode.....SHQ (1600×1200, high-quality JPEG format)
Lens.....f=19.1mm (equivalent f=105mm in 35mm film format), Stop: F2.8
CCD sensitivity.....ISO400, White Balance.....Auto


This image shows you the western region of the Nubium, MARE (Sea of cloud). You can see a clear cliff lying in north-south direction in the sea. The characteristic topography called "Recta, RUPES (The straight wall)" is a regular fault with a length of 115km and a height of 400m. The wall is fairly noticeable when the termination is positioned nearby. You can understand that the eastern side (left hand side) is being high from the shade.
And dimmed wrinkle-ridges are lying in west part of Nubium, MARE.

Gazetteer
Index Map
INDEXNAMECrater's Diameter
1Pitatus97km
2Deslandres234km
3Walter136km
4Werner70km
5Blanchinus62km
6la Caille68km
7Regiomontanus120km
8Purbach118km
9Thebit57km
10Arzachel97km
11Birt15km
ARecta, RUPES-
BNubium, MARE-



Around Bullialdus
Clavius & Tycho

Copyright(c) 2000 by Naoyuki Kurita, All rights reserved.
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