Around Frigoris, MARE


Date & Time: Sep 15 2011, 26:47 JST(+0900), Record Time: 30sec.
Optical: Kasai 20cm(7.9") Newtonian(NERO-200DX), afocal method with PanOptic 35mm eyepiece
Synthesized focal length f=2176mm (equivalent f=14790mm in 35mm film format)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Video Camera: Canon iVIS HF-S10
Location: Hitachi city, Ibaraki pref.

Camera Settings: Mode...MXP(17Mbps), Program Auto
Lens...f=64mm (equivalent f=435mm in 35mm film format), Stop: F2.8
430 flames stacked & wavelet processed with Registax6


In the Arctic area of moon, a long and narrow lunar sea of Frigoris, MARE (Sea of Frigidity) has been spread. The entirety of sea extends to near the Iridum, SINUS faraway out of this picture to the right, and has width and length of about 250km and 1800km respectively. It's considered that the Basin of this lunar sea was completed as a part of multi-ring structure of a gigantic hollow formed by a meteorite collision.
You can see a small round plain with a name of Mortis, LACUS (Lake of Mortality) just south of Frigoris, MARE. The lake was formed by basaltic lava filled a large crater, and then a medium sized crater of Burg formed in central area of Mortis, LACUS. You can appreciate with interests several strips lying radially from the Burg toward outside.

Gazetteer
Index Map
INDEXNAMECrater's Diameter
1Hercules69km
2Aristoteles87km
3Eudoxus67km
4Burg40km
5Plana44km
6Mason38km
7Arnold95km
8Galle20km
AFrigoris, MARE-
BMortis, LACUS-
CSomniorum, LACUS-
DCaucasus, MONTES-
EAlpes, VALLIS-
FNebularum, PALUS-



Around Taurus, MONTES
Around Crisium, MARE

Copyright(c) 2012 by Naoyuki Kurita, All rights reserved.
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