Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Friday, 20 January 2023

‹ 19.01.2023 2023 21.01.2023 ›

Photosphere sunspot drawing and RDS evaluation

20.01.2023 photosphere drawing

High-resolution scan (3228 px)

Time
09:45 UT
Observer
Olcay PLEVNE
g
12
f
65
R
185
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · ESI – 4Group 1 · ESI – 4 Group 2 · AX_ – 3Group 2 · AX_ – 3 Group 3 · DSI – 6Group 3 · DSI – 6 Group 4 · ESI – 16Group 4 · ESI – 16 Group 5 · BXI – 4Group 5 · BXI – 4 Group 6 · BXI – 3Group 6 · BXI – 3 Group 7 · CSI – 3Group 7 · CSI – 3 Group 8 · AX_ – 2Group 8 · AX_ – 2 Group 9 · AX_ – 1Group 9 · AX_ – 1 Group 10 · DSI – 2Group 10 · DSI – 2 Group 11 · CSI – 5Group 11 · CSI – 5 Group 12 · CKI – 16Group 12 · CKI – 16
RDS data file (.gzd) 
[Gözlem]
Tarih=20.01.2023
Saat=09:45
Gözlemci=Olcay PLEVNE
KontrolEden=Hikmet ÇAKMAK
Durumaçısı=-7.02
Enlemaçısı=-5.03
Boylamaçısı=109.44
Boylamfark=1
GKalite=3
GDurum=B.A , K.T
Kuzeyaçısı=0.0
Sırano=19642
AyRasatNo=13
RasatÖnceki=19.01.2023
RasatSonraki=21.01.2023

[Leke Grupları]
Grupsayısı=12:9:3
LekeSayısı=65:42:23
RölatifSayı=185:132:53
01=ESI 04 +24.816 +57.660 167.100 15.725 0000 0 +27.632 +64.780 +22.000 +50.540 +23.653 +62.255 +26.454 +52.248
02=AX_ 03 +20.648 +22.819 132.259 +0.000 0000 0 +21.310 +23.418 +19.985 +22.219 +20.648 +22.919 +20.648 +22.719
03=DSI 06 +11.300 +18.352 127.792 07.279 0000 0 +12.897 +22.869 +09.702 +13.835 +11.633 +21.298 +10.804 +14.795
04=ESI 16 +16.723 +04.905 114.345 22.747 0000 0 +21.698 +11.532 +11.748 -01.721 +17.123 +09.895 +13.633 +01.533
05=BXI 04 +10.785 -24.861 084.579 06.215 0000 0 +11.919 -22.495 +09.651 -27.227 +10.888 -23.470 +10.471 -26.880
06=BXI 03 +16.534 -37.779 071.661 +0.000 0000 0 +17.557 -35.230 +15.511 -40.535 +16.534 -35.223 +16.534 -40.335
07=CSI 03 +24.445 -51.818 057.622 +0.000 0000 0 +25.894 -48.246 +22.996 -55.390 +24.445 -48.446 +24.445 -55.190
08=AX_ 02 +15.670 -69.261 040.179 +0.000 0000 0 +16.597 -68.568 +14.743 -69.953 +15.670 -69.690 +15.670 -69.453
09=AX_ 01 +10.929 -69.730 039.710 -1.000 0000 0 +10.929 -69.730 +10.929 -69.730
10=DSI 02 -12.544 +68.820 178.260 +0.000 0000 0 -11.470 +71.909 -13.617 +65.730 -12.544 +71.709 -12.544 +65.930
11=CSI 05 -24.955 +23.721 133.161 18.544 0000 0 -23.396 +26.517 -26.515 +20.926 -24.503 +25.913 -25.869 +21.838
12=CKI 16 -14.715 +09.350 118.475 14.279 0000 0 -11.386 +16.769 -18.440 +01.302 -14.400 +12.990 -16.480 +02.316
20230120.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.