@Images of Sunspot
150mm Refractor minicopy HR2
A sunspot and its half-dark part Aug 20 1992. |
A sunspot and its half-dark part May 21 1992. |
A sunspot and its half-dark part Aug 20 1992. |
The granular group on the surface of solar surface on Aug 31 1992. |
Sunspot and the situation around it Sept 9 1992 |
Change of the sunspot of Jun 26 to 27.1992 |
Change of the sunspot of Half-dark part on May.21.1992 |
Change of the sunspot of 1 day May.6.1992 |