Photospheric and chromospheric observation results of the AR 5395 by 26cm solar telescope at Yunnan Observatory are reported. The daily Ha-filtergrams of the active region and flares observed during the period of Marc...Photospheric and chromospheric observation results of the AR 5395 by 26cm solar telescope at Yunnan Observatory are reported. The daily Ha-filtergrams of the active region and flares observed during the period of March 9-16, and selected photographs of sunspot group with fine structures are given.展开更多
文摘Photospheric and chromospheric observation results of the AR 5395 by 26cm solar telescope at Yunnan Observatory are reported. The daily Ha-filtergrams of the active region and flares observed during the period of March 9-16, and selected photographs of sunspot group with fine structures are given.