2022 May 18 Sun - solar prominences.
There are many prominences on the solar limb. Most are visible in both CaK and H-alpha.
Unfortunately clouds interfere with my observation session.
Sunspot count: group=7, sunspot=89, R=159
For images in H-alpha:
Telescope: Lunt LS100Tha with B1200 blocking filter + 2X barlow
Camera : ASI1600MM Pro, not cooled.
For images in Ca-K:
Telescope: Maxvision APO refractor, ED Triplet
Camera : ASI1600MM Pro, not cooled
focal length : 700 mm f/7
Filter: Lunt Ca-K Module B1200
approximately north is up, east to the left.
2022 May 18 Sun - solar prominences.
2022 May 18 Sun - solar prominences.
- 附加檔案
-
- cak-prom-102434.jpg (1.02 MiB) 已瀏覽 801 次
-
- cak-prom-103938.jpg (838.08 KiB) 已瀏覽 801 次
-
- ha-prom-112804.jpg (1.29 MiB) 已瀏覽 801 次
-
- ha-prom-112937.jpg (925.38 KiB) 已瀏覽 801 次
-
- ha-prom-113039.jpg (1.1 MiB) 已瀏覽 801 次
-
- ha-prom-113304.jpg (1.57 MiB) 已瀏覽 801 次
-
- ha-prom-113419.jpg (1.52 MiB) 已瀏覽 801 次
誰在線上
正在瀏覽這個版面的使用者:沒有註冊會員 和 22 位訪客