Prominences and inner Corona
The observing conditions in Oregon were unique because of an absolutely perfect seeing.
Combination of Fuji GFX 50s 50 MPix large format camera and Celestron Edge HD, FL 2350 mm, F/10 optics
enabled to create an image of extraordinary sharpness.
The full resolution image may be found
here.
Click on the image or on the following reference to display the
higher resolution image version (2.4 MB, PNG format).
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| Image | Tse_2017_mi2350.jpg |
| Date | 21. 08. 2017 |
| Time | 2nd contact 17:21:11 UT, 3rd contact 17:23:14 UT |
| Place | near Mitchell, Oregon, USA |
| Coordinate | N 44° 31.539', W 119° 54.459', Alt. 1100 m |
| Conditions | Clear sky but some smoke from forest fires, solar altitude 43° above horizon |
| Optics | Celestron Edge HD, FL 2350 mm, F/10 |
| Camera | Fuji GFX 50s |
| Exposure | 1/1600 s - 1/6 s |
| Processing | Composition of 73 eclipse images. Eclipse images were calibrated by means of dark frames and flat-fields, aligned by means of phase correlation, composed by means of LDIC 6.0 software, processed using Corona 5.0 in order to visualize coronal structures. Final processing was done using ACC 6.1 software.
Image processing by Miloslav Druckmüller |
| Software | Astro D3F 2.0, PhaseCorr 7.0, LDIC 6.0, Corona 5.0, Sofo ACC 6.1 |
| Orientation | Image must be rotated 60.37° anti-clockwise to achieve standard orientation i.e. solar North up. |
| Copyright | © 2017 Miloslav Druckmüller, Peter Aniol, Shadia Habbal |
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Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
druckmuller@fme.vutbr.cz
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Page last update: 26.11.2019
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