Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Thursday, 28 October 2021

‹ 27.10.2021 2021 29.10.2021 ›

Photosphere sunspot drawing and RDS evaluation

28.10.2021 photosphere drawing

High-resolution scan (3235 px)

Time
08:15 UT
Observer
Talar YONTAN
g
7
f
51
R
121
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · CKI – 13Group 1 · CKI – 13 Group 2 · HS_ – 1Group 2 · HS_ – 1 Group 3 · AX_ – 2Group 3 · AX_ – 2 Group 4 · AX_ – 2Group 4 · AX_ – 2 Group 5 · DSC – 26Group 5 · DSC – 26 Group 6 · AX_ – 1Group 6 · AX_ – 1 Group 7 · AX_ – 6Group 7 · AX_ – 6
RDS data file (.gzd) 
[Gözlem]
Tarih=28.10.2021
Saat=08:15
Gözlemci=Talar YONTAN
KontrolEden=Süleyman FİŞEK
Durumaçısı=25.01
Enlemaçısı=4.74
Boylamaçısı=274.67
Boylamfark=2
GKalite=3
GDurum=G.T , B.A
Kuzeyaçısı=0.0
Sırano=19309
AyRasatNo=20
RasatÖnceki=27.10.2021
RasatSonraki=29.10.2021

[Leke Grupları]
Grupsayısı=7:1:6
LekeSayısı=51:13:38
RölatifSayı=121:23:98
01=CKI 13 +18.755 -67.401 207.269 07.120 0000 0 +20.144 -61.237 +17.365 -73.565 +18.582 -62.865 +19.764 -72.377
02=HS_ 01 -17.900 +56.336 331.600 +0.000 0000 0 -16.886 +57.734 -18.914 +54.938 -17.900 +57.234 -17.900 +55.438
03=AX_ 02 -17.840 +43.190 317.689 +0.000 0000 0 -16.583 +44.415 -17.586 +41.622 -17.840 +44.860 -17.840 +42.293
04=AX_ 02 -17.773 +37.853 312.523 +0.000 0000 0 -17.750 +38.975 -18.470 +36.730 -17.773 +38.476 -17.773 +37.230
05=DSC 26 -25.543 -01.439 273.231 30.573 0000 0 -21.561 +03.163 -29.525 -06.420 -23.418 +02.160 -27.534 -04.980
06=AX_ 01 -10.590 -22.412 252.258 -1.000 0000 0 -10.590 -22.412 -10.590 -22.412
07=AX_ 06 -21.726 -25.442 249.228 +0.000 0000 0 -21.500 -24.202 -22.446 -26.682 -21.726 -24.702 -21.726 -26.182
20211028.gzd

Chromosphere (H-α) FITS frames

No chromosphere observation for this day.

Coronado H-α animations from frame sequences

No Coronado observation for this day.