Comparison of total solar eclipse image (left) and SOHO LASCO C2 image (right)

The pair of images shows the solar corona at the same time. The images were aligned by means of phase correlation so the field of view of both images is identical. In order to make the comparison easier you may see another version of this pair in which the part or the solar corona invisible in the SOHO image was removed from eclipse image.
Click on the image or on the following reference to display the higher resolution image version (1.9 MB, PNG format).

Date20. 03. 2015
Time(1) 2nd contact 10:10:47 UT, 3rd contact 10:13:14 UT
(2) 2nd contact 10:10:40 UT, 3rd contact 10:13:08 UT
Place(1) Svalbard, UNIS observatory near Longyearbyen
(2) Svalbard, Longyearbyen airport
Coordinate(1) N 78° 12' 09.1'',   E 15° 49' 44.5'',  Alt. 15 m
(2) N 78° 14' 48.6'',   E 15° 29' 21.3'',  Alt. 15 m
ConditionsClear sky
Optics(1) Nikon 2/200 mm
(2) TS Photo Line Apochromatic Triplet D=115 mm, f = 800 mm with 2.5 inch flattener
Camera(1) Nikon D800E
(2) Nikon D810
Exposure(1) 1/4000 s - 2 s
(2) 1/1600 s - 4 s
ProcessingComposition of 48 eclipse images - (1) 19 images and (2) 29 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© 2015 Miloslav Druckmüller, Shadia Habbal, Peter Aniol, Pavel Štarha & ESA, NASA

Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
Page last update: 17.4.2015