Real-time movie of the climax of totality (Aug 21, 2017)



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Date & Time: Aug 21 2017 PDT(-0700)
Optical: 1.5-times teleconversion lens (Synthesized focal length: 654mm in 35mm-film format)
Auto-guided with EYEBELL CD-1 portable Equatorial
Digital video camera: Canon iVIS HF-M41
Location: Salem, Oregon, USA

Camera Settings: Mode...MXP(24Mbps), Program auto (Partially Manual)
Lens...f=61mm (equivalent f=436mm in 35mm film format)




In this page, you can share with me a three-minutes real-time movie of climax scene in total solar eclipse on Aug 21, 2017 observed at Salem, Oregon. I released the movie via the YouTube's server. I have added the time codes of local time and remaining times to start and end of the totality, an error of time has been secured within 0.1 second by correcting with simultaneously recorded time signals broadcasted from the HF (shortwave) radio station of WWV at Colorado.
The customer-oriented HD digital video camera has comparatively narrow recordable gradation; it's difficult to represent the expressions of corona from inner to outer regions simultaneously. In the totality, maybe you recognize that the brightness of corona is down temporarily; it's due to the exposure correction in manual mode. As shown in a previous page, the real corona has an extraordinary wide gradation appreciated with naked eyes.




Images captured from original movie (View angle: 2.26×1.27°)


Date & Time: Aug 21 2017 PDT(-0700)
Diamond ring: Composed 30 captured shots from movie (JPEG-FINE)
Total eclipse: Composed 60 captured shots from movie (JPEG-FINE),
Rotational masking processed with StellaImage 8.0
Optical: 1.5-times teleconversion lens (Synthesized focal length: 654mm in 35mm-film format)
Auto-guided with EYEBELL CD-1 portable Equatorial
Digital video camera: Canon iVIS HF-M41
Location: Salem, Oregon, USA

Camera Settings: Mode...MXP(24Mbps), Program auto
Lens...f=61mm (equivalent f=436mm in 35mm film format)





Streamline structure of the corona

Brightness distribution of the white-light corona


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