Images 13.05.2026 · Istanbul University Observatory Solar Observations

Solar Images Wednesday, 13 May 2026

‹ 12.05.2026 2026 15.05.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3231 px)

Time: 10:05 UT
Observer: İ.ÖZDEMİR+E.E.
g: 5
f: 23
R: 73
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HS_ – 2

Group 2 · HS_ – 2

Group 3 · BXO – 5

Group 4 · CKI – 13

Group 5 · AX_ – 1

RDS data file (.gzd)

[Gözlem]
Tarih=13.05.2026
Saat=10:05
Gözlemci=İ.ÖZDEMİR+E.E.
KontrolEden=Emre YILMAN
Durumaçısı=-21.39
Enlemaçısı=-2.88
Boylamaçısı=353.27
Boylamfark=1
GKalite=3
GDurum=B.A , Y.B
Kuzeyaçısı=-0.3
Sırano=20465
AyRasatNo=7
RasatÖnceki=12.05.2026
RasatSonraki=15.05.2026

[Leke Grupları]
Grupsayısı=5:4:1
LekeSayısı=23:22:1
RölatifSayı=73:62:11
01=HS_ 02 +15.390 +76.164 069.434 +0.000 0000 0 +16.139 +79.615 +13.940 +72.714 +15.390 +79.115 +15.390 +73.214
02=HS_ 02 +22.304 +43.970 036.367 +0.000 0000 0 +24.369 +43.815 +20.239 +42.378 +22.304 +44.188 +22.304 +43.752
03=BXO 05 +19.445 +21.700 014.970 +0.000 0000 0 +20.788 +23.912 +18.102 +19.487 +19.445 +23.712 +19.445 +19.687
04=CKI 13 +18.122 -23.498 329.772 +0.000 0000 0 +21.738 -20.978 +14.506 -26.190 +18.122 -21.178 +18.122 -25.819
05=AX_ 01 -16.862 +54.804 048.740 +0.000 0000 0 -16.628 +55.349 -17.960 +54.258 -16.862 +54.850 -16.862 +54.758

20260513.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.