Around Humboldt


Date & Time: Mar 23 2008, 24:13 JST(+0900), 1/20sec. Exp.
Optical: Kasai 20cm(7.9") Newtonian(NERO-200DX),
afocal method with Televue Radian10mm eyepiece
Synthesized focal length f=2748mm (equivalent f=13200mm in 35mm film format)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: OLYMPUS C-5060WZ
Location: Kokubunji city, Tokyo

Camera Settings: Mode.....SHQ (2592×1944 12bit CCD-RAW, converted to 16bit TIFF)
Lens.....f=22.9mm (equivalent f=110mm in 35mm film format), Stop: F4.8
CCD sensitivity.....ISO100, White Balance.....Auto


This image shows you a corner of southeast lunar rim. A large crater of Humboldt lying at east of Fecunditatis, MARE has a diameter of over 200km. Although an apparent shape of the crater is changed by lunar libration, this picture has captured clear central peaks.

Gazetteer
Index Map
INDEXNAMECrater's Diameter
1Humboldt207km
2Hecataeus127km
3La Peyrouse78km
4Kapteyn49km
AFecunditatis, MARE-



Around Crisium, MARE
Around Fecunditatis, MARE

Copyright(c) 2008 by Naoyuki Kurita, All rights reserved.
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