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2016 July 21 Sun

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發表於 2016-7-22 21:54:18 | 顯示全部樓層 |閱讀模式
本文章最後由 PTS 於 2016-7-22 22:00 編輯

The solar surface is dominated by the trio AR12565, AR12566 and AR12567 which are moving towards the western limb.


Telescope: AP Starfire EDT 155 mm f/9.

stopped to 50 mm for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
North is up, and east to the left.
20160721131605893.jpg
20160721132507652.jpg
20160721132529049.jpg
AR12564-565-566-567-20160721140420369.jpg
AR12564-565-566-567-20160721142349816.jpg
AR12565-566-567-20160721144959911_cr.jpg
AR12568-20160721134350079.jpg
AR12569-20160721133400192.jpg
prom-NEE-20160721140048261.jpg
prom-NW-20160721134651337.jpg
prom-SE-20160721140926335.jpg
prom-SW-20160721134513413.jpg
prom-SWW-20160721133520892.jpg
prom-W-20160721141108211.jpg
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