Images 26.05.2026 · Istanbul University Observatory Solar Observations

Solar Images Tuesday, 26 May 2026

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Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3231 px)

Time: 08:00 UT
Observer: Tuğba BOZTEPE
g: 5
f: 49
R: 99
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXI – 2

Group 2 · AX_ – 3

Group 3 · CSI – 5

Group 4 · DHI – 18

Group 5 · FAI – 21

RDS data file (.gzd)

[Gözlem]
Tarih=26.05.2026
Saat=08:00
Gözlemci=Tuğba BOZTEPE
KontrolEden=Tuğba BOZTEPE
Durumaçısı=-17.46
Enlemaçısı=-1.38
Boylamaçısı=182.46
Boylamfark=2
GKalite=3
GDurum=
Kuzeyaçısı=-0.2
Sırano=20473
AyRasatNo=15
RasatÖnceki=25.05.2026
RasatSonraki=27.05.2026

[Leke Grupları]
Grupsayısı=5:2:3
LekeSayısı=49:5:44
RölatifSayı=99:25:74
01=BXI 02 +08.470 -02.171 180.289 +0.000 0000 0 +08.698 -00.493 +07.396 -03.850 +08.470 -00.992 +08.470 -03.350
02=AX_ 03 +05.675 -21.617 160.843 +0.000 0000 0 +06.631 -20.429 +04.719 -22.805 +00.000 +00.000 +00.000 +00.000
03=CSI 05 -17.529 +44.136 226.596 +0.000 0000 0 -16.265 +46.724 -18.792 +41.547 -17.529 +46.524 -17.529 +41.747
04=DHI 18 -18.578 -10.487 171.973 +0.000 0000 0 -15.820 -04.913 -22.740 -16.610 -18.578 -05.113 -18.578 -15.861
05=FAI 21 -12.314 -52.344 130.116 +0.000 0000 0 -06.670 -40.200 -18.561 -64.686 -12.314 -40.202 -12.314 -64.486

20260526.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.