2021 November 27 Sun - solar surface in H-alpha, with AR12897 AR12898, AR12899 and AR12900.
AR12897 is located at (N15W76). The sunspot is not visible. Patches of plages and filaments are observed.
AR12898 is located at (S24E04). The larger sunspots are visible. Plages with flares are observed in the vicinity between the sunspots. Arch filaments connecting magnetic centers are abundant. Penumbral fibrils are observed around the leading sunspots. A huge filament extends from the following end and runs eastwards.
AR12899 is located at (S21W62). 3 of the 4 small sunspots, embedded in plages, are visible. Flare is observed in the leading patch of plages.
AR12900 is located at (S28W12). Plages form an oval with the sunspots at the ends. Flares are observed along this oval, and arch filaments connecting magnetic centers fill the void of the oval.
Sunspot count: group=4, sunspot=27, R=67
Telescope: Lunt LS100Tha with B1200 blocking filter + 2X barlow
Camera : ASI1600MM Pro, not cooled.
approximately north is up, east to the left.
2021 November 27 Sun - solar surface in H-alpha, with AR12897 AR12898, AR12899 and AR12900.
2021 November 27 Sun - solar surface in H-alpha, with AR12897 AR12898, AR12899 and AR12900.
- 附加檔案
-
- ha-disc-110038.png (693.95 KiB) 已瀏覽 101 次
-
- ha-disc-110121.png (665.04 KiB) 已瀏覽 101 次
-
- ha-disc-110134.png (643.82 KiB) 已瀏覽 101 次
-
- ha-AR12897-111202.png (218.98 KiB) 已瀏覽 101 次
-
- ha-AR12897-111215.png (304.69 KiB) 已瀏覽 101 次
-
- ha-AR12897-111712.png (445.29 KiB) 已瀏覽 101 次
-
- ha-AR12897-111721.png (426.94 KiB) 已瀏覽 101 次
-
- ha-AR12897-113047.png (393.46 KiB) 已瀏覽 101 次
-
- ha-AR12897-113100.png (473.03 KiB) 已瀏覽 101 次
Re: 2021 November 27 Sun - solar surface in H-alpha, with AR12897 AR12898, AR12899 and AR12900.
Images of AR12898
- 附加檔案
-
- ha-AR12898-110946.png (367.46 KiB) 已瀏覽 100 次
-
- ha-AR12898-110959.png (328.94 KiB) 已瀏覽 100 次
-
- ha-AR12898-111010.png (334.84 KiB) 已瀏覽 100 次
-
- ha-AR12898-111910.png (334.3 KiB) 已瀏覽 100 次
-
- ha-AR12898-111928.png (621.7 KiB) 已瀏覽 100 次
-
- ha-AR12898-112658.png (578.72 KiB) 已瀏覽 100 次
-
- ha-AR12898-112749.png (593.3 KiB) 已瀏覽 100 次
-
- ha-AR12898-112844.png (594.86 KiB) 已瀏覽 100 次
-
- ha-AR12898-112855.png (587.44 KiB) 已瀏覽 100 次
Re: 2021 November 27 Sun - solar surface in H-alpha, with AR12897 AR12898, AR12899 and AR12900.
Images of AR12899
- 附加檔案
-
- ha-AR12899-110814.png (243.24 KiB) 已瀏覽 100 次
-
- ha-AR12899-111730.png (253.49 KiB) 已瀏覽 100 次
-
- ha-AR12899-111742.png (580.11 KiB) 已瀏覽 100 次
-
- ha-AR12899-113026.png (252.58 KiB) 已瀏覽 100 次
-
- ha-AR12899-113039.png (578.7 KiB) 已瀏覽 100 次
Re: 2021 November 27 Sun - solar surface in H-alpha, with AR12897 AR12898, AR12899 and AR12900.
Images of AR12900
- 附加檔案
-
- ha-AR12900-110902.png (346.04 KiB) 已瀏覽 99 次
-
- ha-AR12900-110922.png (626.99 KiB) 已瀏覽 99 次
-
- ha-AR12900-111840.png (623.58 KiB) 已瀏覽 99 次
-
- ha-AR12900-111856.png (626.77 KiB) 已瀏覽 99 次
-
- ha-AR12900-112815.png (599.78 KiB) 已瀏覽 99 次
-
- ha-AR12900-112834.png (597.93 KiB) 已瀏覽 99 次
-
- ha-AR12900-112905.png (600.74 KiB) 已瀏覽 99 次
-
- ha-AR12900-112913.png (600.23 KiB) 已瀏覽 99 次
誰在線上
正在瀏覽這個版面的使用者：沒有註冊會員 和 6 位訪客