Solar corona from Bangka Island

There are two versions of this image. The version with the Sun in the center and the second one showing very prominent long streamer.

Time2nd contact 00:22:11 UT, 3rd contact 00:24:03 UT, duration 112 s
PlacePenyak Beach, Bangka Island, Indonesia
CoordinateS 2° 26.6983',   E 106° 19.663'
ConditionsClear sky
OpticsAstro-Tech AT111EDT apochromatic triplet refractor and a zero power 2" field flattener
F7, 777 mm focal length
Cameramodified Nikon D810
Exposure1/2000 s - 4 s
ProcessingComposition of 32 eclipse images. Eclipse images were calibrated by means of dark frames and flat-fields, aligned by means of phase correlation, composed by means of LDIC 5.0 software, processed using Corona 4.1 in order to visualize coronal structures. Final processing was done using ACC 6.1 software.
Image processing by Miloslav Druckmüller
SoftwareAstro D3F 2.0, PhaseCorr 6.0, LDIC 5.0, Corona 4.1, Sofo ACC 6.1
Copyright© 2016 Don Sabers, Ron Royer, Miloslav Druckmüller

Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
Page last update: 27.11.2019