Images 15.01.2026 · Istanbul University Observatory Solar Observations

Solar Images Thursday, 15 January 2026

‹ 13.01.2026 2026 28.01.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 10:10 UT
Observer: Korhan YELKENCİ
g: 5
f: 29
R: 79
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · DAI – 5

Group 2 · CAI – 3

Group 3 · HS_ – 1

Group 4 · DAI – 10

Group 5 · EHC – 10

RDS data file (.gzd)

[Gözlem]
Tarih=15.01.2026
Saat=10:10
Gözlemci=Korhan YELKENCİ
KontrolEden=Emre YILMAN
Durumaçısı=-4.85
Enlemaçısı=-4.57
Boylamaçısı=109.19
Boylamfark=1
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.6
Sırano=20417
AyRasatNo=7
RasatÖnceki=13.01.2026
RasatSonraki=28.01.2026

[Leke Grupları]
Grupsayısı=5:2:3
LekeSayısı=29:8:21
RölatifSayı=79:28:51
01=DAI 05 +14.161 -01.642 107.548 19.272 0000 0 +15.341 +01.244 +12.982 -04.528 +15.560 +01.440 +13.182 -04.328
02=CAI 03 +16.589 -73.470 035.720 17.126 0000 0 +17.682 -70.715 +15.496 -76.224 +17.237 -70.915 +15.725 -75.829
03=HS_ 01 -09.488 +61.728 170.918 +0.000 0000 0 -08.146 +63.567 -10.829 +59.889 -09.488 +63.670 -09.488 +60.389
04=DAI 10 -10.211 -14.894 094.296 26.776 0000 0 -08.501 -11.794 -11.920 -17.993 -08.801 -11.994 -11.720 -17.793
05=EHC 10 -10.290 -66.100 043.900 24.943 0000 0 -07.131 -59.498 -13.450 -72.702 -07.365 -59.698 -13.250 -72.502

20260115.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.