Images 26.09.2026 · Istanbul University Observatory Solar Observations

Solar Images Saturday, 26 September 2026

‹ 25.09.2026 2026 27.09.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 10:40 UT
Observer: Korhan YELKENCİ
g: 4
f: 8
R: 48
Seeing: 2 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · CAI – 2

Group 2 · AX_ – 1

Group 3 · AX_ – 2

Group 4 · BXI – 3

RDS data file (.gzd)

[Gözlem]
Tarih=26.09.2026
Saat=10:40
Gözlemci=Korhan YELKENCİ
KontrolEden=Burçin TANIK
Durumaçısı=25.56
Enlemaçısı=6.92
Boylamaçısı=354.51
Boylamfark=1
GKalite=2
GDurum=B.A
Kuzeyaçısı=-0.4
Sırano=20575
AyRasatNo=20
RasatÖnceki=25.09.2026
RasatSonraki=27.09.2026

[Leke Grupları]
Grupsayısı=4:3:1
LekeSayısı=8:5:3
RölatifSayı=48:35:13
01=CAI 02 +03.245 +58.250 052.760 15.901 0000 0 +04.645 +62.726 +01.845 +53.774 +04.445 +62.434 +02.450 +53.974
02=AX_ 01 +12.331 -00.162 354.348 -1.000 0000 0 +12.331 -00.162 +12.331 -00.162
03=AX_ 02 +10.396 -03.931 350.579 +0.000 0000 0 +11.204 -03.180 +09.587 -04.844 +00.000 +00.000 +00.000 +00.000
04=BXI 03 -17.845 -02.710 352.439 24.698 0000 0 -16.871 -00.141 -18.819 -04.000 -17.710 -00.355 -18.607 -03.698

20260926.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.