Corona and chromosphere

This image shows the beginning of total solar eclipse of February 26, 1998. The main image used for display of the nearest neighborhood of the Sun was taken in the moment when the red photosphere was visible.
Click on the following reference to display the same image in the maximum quality (636 KB, PNG format).

Date26. 2. 1998
Time2nd contact 18:04:55 UT, 3rd contact 18:08:45 UT
PlaceVenezuela, Don Bosco Mission near Maracaibo
Coordinate11° 03' 52'' N, 72° 03' 05'' W
ConditionsClear sky - the weather was nearly hopeless but the sky cleared just before eclipse. Altitude of the Sun was 65° above the horizon.
OpticsRubinnar 5.6/500mm
Resolution10.37 arc sec / pixel (image on this Web page)
FilmFujicolor Superia 200, 24×36mm
ProcessingComposition of 15 images. Images were aligned by means of phase correlation technique (PhaseCorr 3.0) and then processed using Corona 3.0 software by means of adaptive kernel convolution. Final processing done in ACC 6.0.
Image processing by Miloslav Druckmüller
ScannerNikon Super Coolscan 4000 ED (16x multisample, 4000 dpi)
SoftwarePhaseCorr 3.0, Corona 3.0, Sofo ACC 6.0
OrientationThe image must be rotated 20.3° anticlockwise to achieve the standard orientation i.e. North top,East left
Copyright©1998 Úpice observatory and Vojtech Rušin © 2004 Miloslav Druckmüller


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