搜尋
檢視: 557|回覆: 0

Evolution of AR11828 - 2013 Aug. 26-28

[複製連結]
發表於 2013-8-31 15:30:10 | 顯示全部樓層 |閱讀模式
AR11828 does not change drastically, but there are some noticeble feature changes.
The dark filament that separates the flaring regions becomes thinner but longer over the 3 days.  The relatively strong flares on AUg. 26 subside on Aug 27, but strengthen again on Aug. 28.

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

PTS
AR11828-20130826140305123.jpg
AR11828-20130826140307338.jpg
AR11828-20130826140309460.jpg
AR11828-20130827094002509.jpg
AR11828-20130827094005052.jpg
AR11828-20130827094140868.jpg
AR11828-20130827094143473.jpg
AR11828-20130827095640895.jpg
AR11828-20130827095647541.jpg
AR11828-20130827102056955.jpg
AR11828-20130827102101245.jpg
AR11828-20130827102104755.jpg
AR11828-20130827102113429.jpg
AR11828-20130827102116549.jpg
AR11828-20130827102121088.jpg
AR11828-20130827103628511.jpg
AR11828-20130827103631085.jpg
AR11828-20130828114433891.jpg
AR11828-20130828114436013.jpg
AR11828-20130828114747909.jpg
AR11828-20130828114749734.jpg
AR11828-20130828115806356.jpg
AR11828-20130828115814109.jpg
AR11828-20130828115815420.jpg
AR11828-20130828120727380.jpg
AR11828-20130828120728893.jpg
AR11828-20130828120734400.jpg
AR11828-20130828120736662.jpg
AR11828-20130828120738128.jpg
disc1-20130826134140648.jpg
disc1-20130827093243961.jpg
disc1-20130828110359273.jpg
你需要登入後才可以回覆 登入 | 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, 2016-12-8 10:06 , Processed in 0.362525 second(s), 18 queries , Wincache On.

Powered by Discuz! X3.2

© 2001-2013 Design S!|平潭

快速回覆 返回頂端 返回清單