2018 May 26 Sun - AR12712
AR12712 is a very active group with strong flare activities.
Bright flares show up to the west of the larger following sunspot, and a chain of small flare also extends towards north. Patches of plages are visible around the tiny leading sunspots.
As the slow motion is still unavailable, I have to continue with push or pull the telescope to put the image in field. This task becomes very tedious when working on close-up imaging, and I have to use very short exposures (thus high gain) to avoid blur images.
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 80 mm (f/17.5) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: ASI1600MM, 4656X3520 pixels (3.8 micron), binned 2
North is up, east is to the left.
2018 May 26 Sun - AR12712
2018 May 26 Sun - AR12712
- 附加檔案
-
- white-02_42_50Z.jpg (134.21 KiB) 已瀏覽 556 次
-
- white-02_45_08Z.jpg (148.77 KiB) 已瀏覽 556 次
-
- AR12712-03_54_39Z_cr.jpg (37.43 KiB) 已瀏覽 556 次
-
- AR12712-03_57_10Z_cr.jpg (41.19 KiB) 已瀏覽 556 次
-
- AR12712-03_57_15Z_cr.jpg (41.35 KiB) 已瀏覽 556 次
-
- AR12712-03_57_21Z_cr.jpg (38.49 KiB) 已瀏覽 556 次
-
- surface-02_55_50Z.jpg (196.85 KiB) 已瀏覽 556 次
-
- AR12712-03_03_41Z_cr.jpg (103.44 KiB) 已瀏覽 556 次
-
- AR12712-03_13_45Z_cr.jpg (92.25 KiB) 已瀏覽 556 次
-
- AR12712-03_14_08Z_cr.jpg (101.33 KiB) 已瀏覽 556 次
Re: 2018 May 26 Sun - AR12712
more images
- 附加檔案
-
- AR12712-03_14_12Z_cr.jpg (111.73 KiB) 已瀏覽 555 次
-
- AR12712-03_14_48Z_cr.jpg (97.66 KiB) 已瀏覽 555 次
-
- AR12712-03_15_07Z_cr.jpg (106.66 KiB) 已瀏覽 555 次
-
- AR12712-03_24_22Z_cr.jpg (103.65 KiB) 已瀏覽 555 次
-
- AR12712-03_24_49Z_cr.jpg (107.68 KiB) 已瀏覽 555 次
-
- AR12712-03_25_10Z_cr.jpg (107.86 KiB) 已瀏覽 555 次
-
- AR12712-03_25_36Z_cr.jpg (104.58 KiB) 已瀏覽 555 次
-
- AR12712-03_25_46Z_cr.jpg (104.06 KiB) 已瀏覽 555 次
-
- AR12712-03_28_32Z_cr.jpg (91.68 KiB) 已瀏覽 555 次
-
- AR12712-03_29_59Z_cr.jpg (92.71 KiB) 已瀏覽 555 次
Re: 2018 May 26 Sun - AR12712
more images
- 附加檔案
-
- AR12712-03_37_17Z_cr.jpg (102.35 KiB) 已瀏覽 555 次
-
- AR12712-03_37_41Z_cr.jpg (116.45 KiB) 已瀏覽 555 次
-
- AR12712-03_39_05Z_cr.jpg (107.35 KiB) 已瀏覽 555 次
-
- AR12712-03_39_26Z_cr.jpg (118.93 KiB) 已瀏覽 555 次
-
- AR12712-03_42_25Z_cr.jpg (120.08 KiB) 已瀏覽 555 次
-
- AR12712-03_42_57Z_cr.jpg (118.96 KiB) 已瀏覽 555 次
-
- AR12712-03_43_18Z_cr.jpg (102.5 KiB) 已瀏覽 555 次
誰在線上
正在瀏覽這個版面的使用者:沒有註冊會員 和 23 位訪客