2021 February 17 Sun - solar surface in white-light
There is no sunspot on the solar disc.
6th day with no sunspot.
sunspot count: group=0, sunspot=0, R=0
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 17 Sun - solar surface in white-light
2021 February 17 Sun - solar surface in white-light
- 附加檔案
-
- wh-disc-105413.jpg (4.69 MiB) 已瀏覽 232 次
-
- wh-disc-105527.jpg (4.54 MiB) 已瀏覽 232 次
-
- wh-disc-105642.jpg (4.49 MiB) 已瀏覽 232 次
誰在線上
正在瀏覽這個版面的使用者：沒有註冊會員 和 19 位訪客