Autumnal Milky Way & Ccounterglow

Click on image to enlarge

Date & Time: Oct 29 2022, from 22:48 to 23:23 JST(+0900)
Composed 8 shots with 5 minutes exposed
Optical: SIGMA f=4.5mm EX Circular DC, stop: F2.8
with IDAS LPS-P2-FF light-pollution suppression filter
Auto-guided with EYEBELL CD-1 portable Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Furudono town, Fukushima pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO800


This picture shows you the dimmed autumnal Milky Way crossing sky captured with a whole-sky camera. You can see the faint zodiacal light extending in the southern sky. In addition, a faint beam of "Counterglow" with a diameter of about 20 degrees can be seen almost due south.
Dust distributed in the solar system scatters the sunlight, and the backscattered light is stronger than other angles, so the area directly opposite the sun appears brighter. Because it is fainter than the Milky Way or the zodiacal light, it can be seen in the extremely clear night sky without light pollution.


Autumnal Milky Way taken with whole-sky camera
Wintry Milky Way & Constellations

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