搜索
查看: 438|回復: 0

2016 Dec 18 Sun - UFO transit near AR12619

[複製鏈接]
發表於 2016-12-25 11:56:29 | 顯示全部樓層 |閱讀模式
AR12619 is the bright AR between the east limb and centre of disc.
Duration of observation: from 15h16m16s - 15h16m18s - less than 2 seconds


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.



20161218150404050.jpg
20161218150438298.jpg
20161218151616249.jpg
20161218151616415.jpg
20161218151616575.jpg
20161218151616756.jpg
20161218151616952.jpg
20161218151617394.jpg
20161218151617558.jpg
20161218151617700.jpg
20161218151617881.jpg
20161218151618031.jpg
20161218151618414.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, 2019-7-24 06:52 , Processed in 0.049347 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