2023 March 10 Sun - Huge and beautiful quiescent prominences on SE solar limb.
This huge prominences is very bright in H-alpha, less so in Ca-K. It seems the whole ensemble will become detached.
Sunspot count: group=12, sunspot=49, R=169
Camera : ASI1600MM Pro, cooled to -14.0C
Telescope for Ca-K:
Baader Triband C9.25 solar telescope, 235 mm f/10
Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25 for whole-disc
Filters: Lunt Ca-K module B1200
Telescope for H-alpha:
Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25 for whole-disc
with 2.5X barlow for close-up.
Filters: Lunt LS50T module with H-alpha B1200 blocking filter.
approximately north is up, east to the left.
2023 March 10 Sun - Huge and beautiful quiescent prominences on SE solar limb.
2023 March 10 Sun - Huge and beautiful quiescent prominences on SE solar limb.
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Re: 2023 March 10 Sun - Huge and beautiful quiescent prominences on SE solar limb.
Images in H-alpha
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- ha-prom-112516.jpg (653.44 KiB) 已瀏覽 280 次
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