Images 11.05.2026 · Istanbul University Observatory Solar Observations

Solar Images Monday, 11 May 2026

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Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 10:05 UT
Observer: İ.ÖZDEMİR+E.Y.
g: 5
f: 31
R: 81
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · EHI – 17

Group 2 · HS_ – 1

Group 3 · DSI – 9

Group 4 · HH_ – 1

Group 5 · CSI – 3

RDS data file (.gzd)

[Gözlem]
Tarih=11.05.2026
Saat=10:05
Gözlemci=İ.ÖZDEMİR+E.Y.
KontrolEden=Emre YILMAN
Durumaçısı=-21.9
Enlemaçısı=-3.1
Boylamaçısı=19.72
Boylamfark=1
GKalite=3
GDurum=
Kuzeyaçısı=-0.5
Sırano=20463
AyRasatNo=5
RasatÖnceki=10.05.2026
RasatSonraki=12.05.2026

[Leke Grupları]
Grupsayısı=5:3:2
LekeSayısı=31:27:4
RölatifSayı=81:57:24
01=EHI 17 +14.491 +59.693 079.413 +0.000 0000 0 +16.972 +66.180 +12.110 +53.206 +14.491 +65.980 +14.491 +53.406
02=HS_ 01 +23.325 +17.475 037.195 +0.000 0000 0 +24.339 +18.520 +22.311 +16.430 +23.325 +18.200 +23.325 +16.930
03=DSI 09 +17.392 -49.807 329.913 +0.000 0000 0 +19.215 -45.961 +15.570 -53.653 +17.392 -46.161 +17.392 -53.453
04=HH_ 01 -14.809 +75.728 095.448 +0.000 0000 0 -13.792 +78.485 -15.826 +72.971 -14.809 +77.985 -14.809 +73.471
05=CSI 03 -15.968 +29.332 049.520 +0.000 0000 0 -15.184 +31.103 -16.753 +27.561 -15.968 +30.603 -15.968 +28.610

20260511.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.