Image | Tse1981sd_rl_clr_enh.png |
Date | 31. 07. 1981 |
Time | 2nd contact 02:59:11 UT, 3rd contact 03:00:58 UT Total eclipse duration 1 min 58 s |
Place | Bratsk, Siberia, Russia |
Coordinate | E 101° 21' 40'', N 55° 58' 48'', altitude 410 m |
Conditions | Dense cirrus clouds |
Optics | Two identical refractors of 130 mm diameter, 1950 mm focal length on one paralactic mount equipped with polarizer and narrow-band filters 530.3 nm (0.2 nm half-width) resp. 637.4 nm (0.3 nm half-width) of B-13 type fy. Baird Atomic. |
Film | Fomapan N30 (6×6 cm format) |
Exposure | 25 s |
Processing | Red line and green line image were aligned by means of phase correlation on Moon (images were taken simultaneously) and processed by means of Corona software. Image processing by Miloslav Druckmüller |
Scanner | Epson Perfection V750 PRO |
Software | Sofo ACC 6.0 with Match II module, Corona 4.0 |
Note | This image contains not only Fe X emission but some amount of continuum as well. |
Orientation | The image must be rotated approx. 53° anti-clockwise to achieve the standard orientation i. e. North up and East left. |
Copyright | © 1981 Július Sýkora, © 2007 Miloslav Druckmüller |