2021 December 03 Sun - solar surface in white-light, with AR12898 AR12901, AR12902 and AR12903.
AR12898 is located at (S25W78). The leading sunspot has a complete penumbra. 4 other small sunspots, embedded in the following end of faculae, are visible.
AR12900 has turned to the backside.
AR12901 is located at (N16E10). No sunspot is visible.
AR12902 is located at (N18W33). At least 10 sunspot are observed.
AR12903 is located at (S18E15). No sunspot is visible.
Sunspot count: group=2, sunspot=15, R=35
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
approximately north is up, east to the left.
2021 December 03 Sun - solar surface in white-light, with AR12898 AR12901, AR12902 and AR12903.
2021 December 03 Sun - solar surface in white-light, with AR12898 AR12901, AR12902 and AR12903.
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Re: 2021 December 03 Sun - solar surface in white-light, with AR12898 AR12901, AR12902 and AR12903.
Images of AR12902
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- wh-AR12902-095439.png (356.52 KiB) 已瀏覽 106 次
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- wh-AR12902-095502.png (355.15 KiB) 已瀏覽 106 次
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