2021 February 26 Sun - AR12803, AR12804 and AR12805
Activities in AR12803 and AR12805 have tuned down a lot. No sunspot is visible in these 2 AR's.
AR12804 remains vary active. The sunspots have evolved into Class-D, where both the leading and following sunspots have developed penumbrae. At least 7 sunspots are visible.
sunspot count: group=1, sunspot=7, R=17
Telescope: Celestron C5, 127mm f/10 Schmidt-Cassegrain
Camera : ASI1600MM Pro, not cooled.
focal length : 1250 mm f/10
Filters: Baader Solar Film 5.0+ Baader Planetarium G-band continuum.
approximately north is up, east to the left
2021 February 26 Sun - AR12803, AR12804 and AR12805
2021 February 26 Sun - AR12803, AR12804 and AR12805
- 附加檔案
-
- wh-disc-110229.jpg (4.43 MiB) 已瀏覽 273 次
-
- wh-disc-110241.jpg (4.11 MiB) 已瀏覽 273 次
-
- wh-AR12804-110333.png (134.64 KiB) 已瀏覽 273 次
-
- wh-AR12804-110801.png (132.34 KiB) 已瀏覽 273 次
-
- wh-AR12804-110809.png (260.74 KiB) 已瀏覽 273 次
-
- wh-AR12804-110838.png (262.88 KiB) 已瀏覽 273 次
-
- wh-AR12804-110921.png (280.24 KiB) 已瀏覽 273 次
-
- wh-AR12804-110935.png (275.34 KiB) 已瀏覽 273 次
-
- wh-AR12804-110955.png (276.51 KiB) 已瀏覽 273 次
誰在線上
正在瀏覽這個版面的使用者:沒有註冊會員 和 15 位訪客