Progress of Total Lunar Eclipse, HDR composite images (Nov 8, 2022)

Large-sized images loaded by clicking on each flame.


Date & Time: Nov 8 2022, Times in image represent JST(+0900)
HDR composite of 4 to 9 shots
with Nik Collection HDR Efex Pro2
Optical: VIXEN 20cm(7.9") VISAC (f=1800mm, F9.0)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D810A
Location: Furudono town, Fukushima pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format (36×24mm)
Sensitivity...ISO800, White Balance...Daylight


The set of photographs of the total lunar eclipse on Nov 8, 2022 shown here is an HDR (high dynamic range) composed from multiple images taken with different exposures in order to express the large brightness difference at the time of the lunar eclipse. Even during a partial eclipse, you can clearly see the lunar surface patterns in the shadowed and uneclipsed areas like this image with the naked eye.
From these images, you can see that the area near the edge of the Earth's umbra is bluish. This is a phenomenon that has been attracting attention since digital images became common, and is called "Turquoise fringe". It is thought to be caused by sunlight passing through the ozone layer high in the Earth's atmosphere.
  All photos are shown with north facing up.



Progress of Total Lunar Eclipse (Nov 8, 2022)
Lunar Eclipse, movement of Moon (Nov 8, 2022)

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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