Inner corona

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Date21. 06. 2001
Time2nd contact 13:09:02 UT, 3rd contact 13:12:33 UT
Total eclipse duration 3 min 31 s
Coordinate14° 48' 05.1'' S, 28° 03' 29.4'' E, alt. 1198 m
ConditionsAltitude of the Sun above the horizon: 31°
OpticsAstrophysics "Traveler" 105 mm / 610 mm equipped with 1.4x-converter TC-14 (Nikon) and a field-flattening lens of Astrophysics, effective focal length 917 mm
CameraNikon D1H digital camera
Exposure1× 1/4000 s, 1× 1/1000 s, 1× 1/250 s, 1× 1/60 s, 3× 1/8 s, 10× 1/4 s, 1× 1/2 s, 1× 1 s, 2× 2 s,
ProcessingComposition of 21 images. Images were aligned by means of phase correlation, composed by means of LDIC 1.0 software, processed using Corona 3.0 in order to visualize coronal structures. Final processing was done using ACC 6.0 software.
Image processing by Miloslav Druckmüller
SoftwarePhaseCorr 3.0, LDIC 1.0, Corona 3.0, Sofo ACC 6.0
NoteThe graph above the table shows the average values of the relative number of sunspots in which the red arrow indicates the time of 1999 eclipse. Graph was created according to data from Sunspot Index Data Center, Brussels.
OrientationImage must be rotated 44.2° clockwise to achieve the standard orientation (N top, E left)
Copyright© 2001 Friedhelm Dorst, © 2005 Miloslav Druckmüller


Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
Page last update: 19.3.2007