2020 February 26 Sun - solar surface in H-alpha

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2020 February 26 Sun - solar surface in H-alpha

文章 PTS » 週五 28 2月, 2020 00:16

2020 February 26 Sun - solar surface in H-alpha

Sorry for this late late post. The images were taken in HK, but after posting the white-light images, I took a 16-hour flight and is now 11 hours behing HK Time.

The solar surface is basically featureless, except for the general H-alpha network. A few small filament show up near the N limb.

Sunspot count: group=0. sunspot=0, R=0

Telescope: Lunt LS35T with B600 blocking filter
Camera : ASI174MM
exposure: 0.45 ms
Images taken from 02:48 UTC to 03:21 UTC
cropped 320x320
approximately south is up, east to the left
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