The first Baily's bead

Date11. 08. 1999
Time10:23:48 UT (corona images 10:23:04 - 10:23:36 UT)
PlaceFrance, between Amiens and Beauvais, about 100 km northern from Paris.
CoordinateN 49° 38', E 2° 09'
ConditionsThin high clouds
OpticsRefractor Zeiss AS100/1000 mm with teleconverter 1.5×
FilmKodak Elite chrome 200
Exposure1/8 s - 1/250 s and 1/1000 s
ProcessingComposition of seven images processed by means of adaptive kernel convolution
Image processing Miloslav Druckmüller
ScannerNikon LS-2000
SoftwareSofo ACC 5.0 Scientific Image Analyzer with Match II Module (final processing)
Corona 2.0 Analyzer (coronal structure enhancement)
PhaseCorr 2.0 Analyzer (rotation estimation for registration of images)
OrientationThe image must be rotated 20.51° clockwise to achieve the standard orientation (N top, E left) in heliocentric coordinate system
Copyright© 1999 Libor Šmíd, © 2004 Miloslav Druckmüller


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