Solar corona
| Image | Tse1991a_in03.png |
| Date | 11. 07. 1991 |
| Time | 2nd contact 18:47:52 UT, 3rd contact 18:54:23 UT
Total eclipse duration: 6 min 30 sec |
| Place | La Paz (university), Baja California, Mexico |
| Coordinate | 110.31° W, 24.14°N |
| Conditions | Excellent, clear sky, altitude of the Sun above the horizon: 82° |
| Optics | 80mm Zeiss AS refractor with 2× converter, total FL=2400mm |
| Camera | Hasselblad |
| Film | Kodak Vericolor III Professional Type S, 6×6 cm film, (Kodak VPS 6006) |
| Processing | Composition of 8 images. Images were aligned by means of phase correlation, composed by means of FilmCMP 2.0 software, processed using Corona 4.1 in order to visualize coronal structures. Final processing was done using ACC 6.1 software.
Image processing by Miloslav Druckmüller |
| Scanner | Epson Perfection V750 PRO |
| Software | PhaseCorr 6.0, FilmCMP 2.0, Corona 4.1, Sofo ACC 6.1 |
| Orientation | Image must be rotated 102.6° anti-clockwise to achieve standard orientation i. e. solar North up. |
| Copyright | ©1991 Peter Aniol, ©2010 Miloslav Druckmüller |
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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: 27.11.2019
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