Volume 2 (1967)

Title Page

Contents

ON THE RETROGRADE ROTATION OF VENUS
N. Boneff, L.-A. Sadowsky (in Bulgarian, Summary in French)

ON THE SOLUTION OF THE BASIC EQUATION IN THE PARABOLIC MOVEMENT WHEN THE TRUE ANOMALY IS CLOSE TO 180°
A. Bonov (in Bulgarian, Summary in French)

ALGOL-PROGRAMME FOR EPHEMERIDES OF SATELLITES
L.-A. Sadowsky (in Russian, Summary in English)

RESULTS OF THE SYNCHRONOUS PHOTOGRAPHIC OBSERVATIONS OF THE SATELLITE “ECHO 1” IN 1964
R. Roussev, L.-A. Sadowsky (in Russian, Summary in English)

ON THE DENSITY OF THE ATMOSPHERE AT ABOUT 600 AND 1050 KM ACCORDING OT DATA FROM “ECHO 2” AND “EXPLORER 19”
R. Bozhkov, M. Gogoshev (in Bulgarian, Summary in English)

MULTIVARIATE DISTRIBUTION OF THE ORBITAL ELEMENTS OF ASTEROIDS. I
L.-A. Sadowsky, M. Kalinkov

A SPECTROPHOTOMETRIC STUDY OF 68u HERCULES. I
B. Kovachev (in Russian, Summary in English)

SPECTROPHOTOMETRIC STUDY OF V367 CYGNI
V. Dobrichev, B. Kovachev (in Bulgarian, Summary in English)

A SPECTROPHOTOMETRIC STUDY OF κ CASSIOPEAE. I
B. Kovachev, V. Dobrichev (in Bulgarian, Summary in English)

THE ELLIPTICITY OF THE SOLAR CORONA AND THE POSITIONS OF JUPITER AND SATURN
B. Kovachev (in Russian, Summary in English)

COMPARISON BETWEEN THE OBSERVATIONS OF THE GREEN CORONAL LINE λ 5303 Å. I. PIC DU MIDI, AROSA, KANZELHÖHE
D. Raikova, M. Kalinkov (in Bulgarian, Summary in French)

VARIATIONS OF THE GREEN CORONAL LINE. I
D. Raikova, M. Kalinkov (in Bulgarian, Summary in French)

AUTOCORRELATION OF THE SUNSPOT NUMBERS
I. Gabrovski, V. Gadjokov, M. Kalinkov

COUNT OF GALAXIES ON PA83
B. Veleva, M. Kalinkov

ON THE CLASSIFICATION OF THE QUASAR HYPOTHESES
M. Kalinkov, A. Polikarov (in Bulgarian, Summary in English)