4 papers
Low-Latitude Sunspot Group Tilt Angles in 15-24 Activity Cycles
Andrey Tlatov
An analysis of the tilt angles of the active regions in 15-24 activity cycles was performed. We used data from measurements of magnetic fields in the sunspot umbra in the period 19…
Meridional Movements of Individual Sunspots and Pores
Andrey Tlatov, Kseniya Tlatova
The analysis of the meridional displacement velocity of individual solar pores and sunspots has been performed. In the period May 2010\,-\,March 2025 of observations in the continu…
The Growth and Decay of Individual Sunspots and Pores
Andrey Tlatov
An analysis of the photometric growth and decay rates of sunspots and pores was carried out. According to the \textit{Solar Dynamics Observatory/Helioseismic and Magnetic Imager} (…
Differential Rotation of Individual Sunspots and Pores
Andrei G. Tlatov, Kseniia A. Tlatova
The analysis of the rotation rate of individual sunspots and pores was performed according to the data of the processing of observations by the \textit{Solar Dynamics Observatory/H…