Brief Description   This image shows you the good-conditioned total lunar eclipse on Jan 31, 2018 composed of three HDR-composite shots paralleled on the basis of the position of the Earth Umbra. All images has been displayed by turning the celestial north direction upward. The moon passed a bit southern part of Umbra during about two hours from right to left. The bluished color at the edge of Umbra called the "Turquoise fringe", considered the influence of the sunlight passed the ozone layer in the Earth's atmosphere.

Photography Condition
Date & Time... Jan 31 2018, 21:34, 22:30, 23:25 JST(+0800), 3 pics composed (from right to left)
   21:34.... HDR composite of 9 shots from 1/250 to 1 sec. in 1EV steps
   22:30.... HDR composite of 6 shots from 1/4 to 8 sec. in 1EV steps
   23:25.... HDR composite of 8 shots from 1/125 to 1 sec. in 1EV steps
Optical... VIXEN 20cm (7.9") VISAC (f=1800mm, F9.0)
   Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera... Nikon D810A
   (ISO800, recorded in 14bit CCD-RAW)
Location... Hiraiso, Hitachi-naka city, Ibaraki pref.