Progress of Total Solar Eclipse on Aug 21, 2017

Captured time & eclipsed magnitude are displayed by positioning a cursor on each flame, large-sized images loaded by clicking.

Date & Time: Aug 21, 2017 PDT(-0700)
Optical: BORG 60ED with a correction lens (f=378mm, F6.3)
with BaaderPlanetarium AstroSolar filter (Used in partial eclipse)
Auto-guided with EYEBELL CD-1 portable Equatorial
Digital Camera: Nikon D810A
Location: Salem, Oregon, USA

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format (36×24mm)
Sensitivity...ISO400 (Partial eclipse), ISO800 (Total eclipse), ISO200 (Diamond ring)
White Balance...Daylight

This multi-flame picture shows you the progress of the total solar eclipse on Aug 21, 2017 observed at Salem, Oregon. The sun started to be eclipsed from its western rim at 09:05 past in local time, and the sun was totally eclipsed for a bit shorter than two minutes from 10:17 until 10:19. I observed three prominences with comparatively larger scale in west rim. The solar activity has been in time of minimum, the corona is spreading in east and west directions. And in that day, two small scaled sunspot groups of #2671 (in center) and #2672 (around east rim) in NOAA's ID were detected on the solar surface.

Total Solar Eclipse on Aug 21, 2017 (Review)

Time-lapse movie of all progress of Total Solar Eclipse

Copyright(c) 2017 by Naoyuki Kurita, All rights reserved.
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