搜索
查看: 725|回復: 0

2015 September 14 Sun - AR12418

 關閉 [複製鏈接]
發表於 2015-9-18 11:25:21 | 顯示全部樓層 |閱讀模式
AR12418 has appeared as a large single spot with well-defined umbra-penumbra.  Flares and filaments are appearing to the east of the spot.

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.
AR12418-20150914122247987_cra.jpg
DISC-20150914100408592.jpg
prom-20150914100317226.jpg
AR12418-20150914103052801.jpg
AR12418-20150914103103028.jpg
AR12418-20150914103338376.jpg
AR12418-20150914103356672.jpg
AR12418-20150914103714274.jpg
AR12418-20150914110215288.jpg
AR12418-20150914110247404.jpg
AR12418-20150914110338976.jpg
AR12418-20150914110846829.jpg
AR12418-20150914110905408.jpg
AR12418-20150914111157419.jpg
AR12418-20150914111214469.jpg
AR12418-20150914111347055.jpg
AR12418-20150914111919037.jpg
AR12418-20150914113946422.jpg
AR12418-20150914114018795.jpg
AR12418-20150914114050749.jpg
AR12418-20150914114326404.jpg
AR12418-20150914114613557.jpg
AR12418-20150914115816455.jpg
AR12418-20150914115951094.jpg
AR12418-20150914120336831.jpg
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

手機版|Archiver|香港天文學會  

GMT+8, 2019-9-16 20:58 , Processed in 0.034436 second(s), 10 queries , Redis On.

Powered by Discuz! X3.4

© 2001-2013 Design S!|平潭

快速回復 返回頂部 返回列表