| Image | Tse1981_fdd.png |
| Date | 31. 07. 1981 |
| Time | 2nd contact 02:43:06 UT, 3rd contact 02:44:38 UT
Total eclipse duration 1 min 32 s |
| Place | Helicopter airbase north of the city of Belovo in Siberia, Russia |
| Coordinate | E 86.24°, N 54.58° |
| Conditions | Clear sky, altitude of the sun above the horizon 35° |
| Optics | Refractor of 82 mm diameter, F/14 |
| Film | Kodak Ektachrome 400 |
| Exposure | 1/500 s to 1 s |
| Processing | Composition of 5 images. Images were aligned by means of phase correlation and enhanced by means of Corona 4.1 software. Final processing was done in Sofo ACC 6.1 software.
Image processing by Hana Druckmüllerová and Miloslav Druckmüller |
| Scanner | Nikon Super Coolscan 4000 ED |
| Software | PhaseCorr 5.0, Corona 4.1, Sofo ACC 6.1 |
| Note | The graph above the table shows the average values of the relative number of sunspots, in which the red arrow indicates the time of 1981 eclipse. Graph was created according to data from Sunspot Index Data Center, Brussels. |
| Orientation | The image must be rotated approx. 175° clockwise to achieve the standard orientation i. e. North up and East left. |
| Copyright | © 1981 Göte Flodqvist, © 2008 Hana Druckmüllerová, Miloslav Druckmüller |
