2021 June 15 Sun - huge but faint prominences on the SE solar limb (H-alpha only)
sunspot count: group=1, sunspot=1, R=11
For H-alpha images:
Telescope: Lunt LS50T with B1200 blocking filter + 2X barlow
Camera : ASI174MM
exposure: 25.0 ms
approximately north is up, east to the left
2021 June 15 Sun - huge but faint prominences on the SE solar limb (H-alpha only)
2021 June 15 Sun - huge but faint prominences on the SE solar limb (H-alpha only)
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- ha-prom-101007.png (48.46 KiB) 已瀏覽 127 次
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- ha-prom-SE-101659.png (77.89 KiB) 已瀏覽 127 次
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