Solar Corona and Mercury

During the 1997 eclipse, the solar activity cycle was very near to its minimum which is illustrated by the graph of monthly sunspot numbers. The red line denotes the time of the eclipse.

Date09. 03. 1997
Time2nd contact 01:08:33 UT, 3th contact 01:11:19 UT
Total eclipse duration 2min 46s
PlaceYerofei Pavlovich, Siberia, Russia
CoordinateE 121° 56.99', N 53° 57.23', Alt. 487 m
ConditionsExcellent, clear sky, temperature -30°C, Sun altitude above horizon 21°
Optics4/105 mm lens and Rubinar 8/500 mm
FilmKodak Ektachrome 100 SW, 24×36mm
ProcessingComposition of 13 images taken with 4/105 mm lens and 8 images taken with 8/500 mm Rubinar. Images were aligned (partially by means of phase correlation and partially using centroids of Mercury and Venus) then processed using Corona 4.1 software. Final processing done in ACC 6.1.
Image processing by Miloslav Druckmüller
ScannerNikon Super Coolscan 4000 ED (16x multisample)
SoftwarePhaseCorr 6.0, Corona 4.1, Sofo ACC 6.1
NoteThe data from the World Data Center for the sunspot index, (Solar Influences Data Analysis Center, the Royal Observatory of Belgium) were used for graph creation.
OrientationThe image must be rotated 3.4° clockwise to achieve the standard orientation i.e. North top, East left
Copyright©1997 Úpice observatory © 2010 Miloslav Druckmüller

Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
Page last update: 15.3.2010