香港天文學會討論區

 找回密碼
 申請討論區帳戶
查看: 3510|回復: 1

New cycle sunspot

  [複製鏈接]
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!
您需要登錄後才可以回帖 登錄 | 申請討論區帳戶

本版積分規則

Archiver|手機版|小黑屋|香港天文學會

GMT+8, 2023-1-30 12:40 , Processed in 0.061394 second(s), 19 queries .

Powered by Discuz! X3.5

Copyright © 2001-2023 Tencent Cloud.

快速回復 返回頂部 返回列表