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New cycle sunspot

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發表於 2008-10-13 22:03:05 | 顯示全部樓層 |閱讀模式
I am lucky to catch the new cycle sunspot 1005 (cycle 24) on Saturday afternoon.

Image taken at prime focus of PST on i-Optron Cube mount with DMK41AS camera.
Disk detail: exposure 1/313 second, 100 images stacked
Prominence: exposure 1/15 second, 49 images stacked

H alpha composite image

H alpha composite image
發表於 2008-10-14 09:58:09 | 顯示全部樓層
excellent!
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Archiver|手機版|小黑屋|香港天文學會

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