Images 11.07.2026 · Istanbul University Observatory Solar Observations

Solar Images Saturday, 11 July 2026

‹ 10.07.2026 2026 12.07.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3229 px)

Time: 09:05 UT
Observer: Tuğba BOZTEPE
g: 4
f: 34
R: 74
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXI – 4

Group 2 · AX_ – 2

Group 3 · EAI – 18

Group 4 · CKI – 10

RDS data file (.gzd)

[Gözlem]
Tarih=11.07.2026
Saat=09:05
Gözlemci=Tuğba BOZTEPE
KontrolEden=Melike ERYILMAZ
Durumaçısı=1.98
Enlemaçısı=3.94
Boylamaçısı=293.03
Boylamfark=2
GKalite=3
GDurum=
Kuzeyaçısı=-0.5
Sırano=20509
AyRasatNo=9
RasatÖnceki=10.07.2026
RasatSonraki=12.07.2026

[Leke Grupları]
Grupsayısı=4:2:2
LekeSayısı=34:6:28
RölatifSayı=74:26:48
01=BXI 04 +06.939 +05.331 298.361 +0.000 0000 0 +09.961 +07.541 +03.916 +03.121 +06.939 +07.341 +06.939 +03.321
02=AX_ 02 +22.773 +01.976 295.600 +0.000 0000 0 +23.941 +02.977 +21.604 +00.974 +00.000 +00.000 +00.000 +00.000
03=EAI 18 -11.201 +58.120 351.420 +0.000 0000 0 -08.520 +63.684 -13.882 +52.340 -11.201 +63.484 -11.201 +52.540
04=CKI 10 -07.694 +06.589 299.619 +0.000 0000 0 -04.345 +09.301 -11.440 +03.877 -07.694 +09.101 -07.694 +04.770

20260711.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.