2018 February 27 Sun - AR12700
The solar surface has been void of active regions/sunspots since February 18, after AR12699 turned to the backside.
At about 2 UTC on February 26, a small flare appears just to the north of the disc centre. By 6 UTC, this regions has become more active and several tiny pores show up. These pores develop into small sunspots by 12 UTC.
Today, this small active regions shows all features of a full-blown AR, with flares and filaments around.
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm (f/28) 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)
North is up, east is to the left.
2018 February 27 Sun - AR12700
2018 February 27 Sun - AR12700
- 附加檔案
-
- Sun_00033 06_47_12Z.jpg (175.66 KiB) 已瀏覽 372 次
-
- Sun_00034 06_47_14Z.jpg (184.48 KiB) 已瀏覽 372 次
-
- Sun_00036 06_47_55Z.jpg (178.54 KiB) 已瀏覽 372 次
-
- AR12700-07_08_45Z.jpg (195 KiB) 已瀏覽 372 次
-
- AR12700-07_10_29Z.jpg (191.61 KiB) 已瀏覽 372 次
-
- AR12700-07_11_27Z.jpg (183.83 KiB) 已瀏覽 372 次
-
- AR12700-07_22_08Z.jpg (191.75 KiB) 已瀏覽 372 次
-
- AR12700-07_22_54Z.jpg (182.55 KiB) 已瀏覽 372 次
-
- AR12700-07_23_21Z.jpg (218.35 KiB) 已瀏覽 372 次
-
- AR12700-07_23_55Z.jpg (221.35 KiB) 已瀏覽 372 次
Re: 2018 February 27 Sun - AR12700
more images
- 附加檔案
-
- AR12700-07_24_42Z.jpg (195.07 KiB) 已瀏覽 371 次
-
- AR12700-07_25_18Z.jpg (199.71 KiB) 已瀏覽 371 次
-
- AR12700-07_47_28Z.jpg (193.8 KiB) 已瀏覽 371 次
-
- AR12700-07_47_59Z.jpg (215.95 KiB) 已瀏覽 371 次
-
- AR12700-07_48_18Z.jpg (218.5 KiB) 已瀏覽 371 次
-
- AR12700-08_01_09Z.jpg (235.98 KiB) 已瀏覽 371 次
誰在線上
正在瀏覽這個版面的使用者:沒有註冊會員 和 36 位訪客