Images 13.10.2025 · Istanbul University Observatory Solar Observations

Solar Images Monday, 13 October 2025

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Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3229 px)

Time: 10:20 UT
Observer: Süleyman FİŞEK
g: 5
f: 75
R: 125
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · DAC – 43

Group 2 · EKC – 29

Group 3 · AX_ – 1

Group 4 · AX_ – 1

Group 5 · HH_ – 1

RDS data file (.gzd)

[Gözlem]
Tarih=13.10.2025
Saat=10:20
Gözlemci=Süleyman FİŞEK
KontrolEden=Burçin TANIK
Durumaçısı=26.21
Enlemaçısı=5.99
Boylamaçısı=267.94
Boylamfark=1
GKalite=3
GDurum=G.T , K.T
Kuzeyaçısı=-0.7
Sırano=20365
AyRasatNo=8
RasatÖnceki=12.10.2025
RasatSonraki=15.10.2025

[Leke Grupları]
Grupsayısı=5:3:2
LekeSayısı=75:73:2
RölatifSayı=125:103:22
01=DAC 43 +22.994 +19.411 287.351 +0.000 0000 0 +26.648 +24.855 +19.340 +13.968 +22.994 +24.655 +22.994 +14.168
02=EKC 29 +07.709 -11.696 256.244 +0.000 0000 0 +10.342 -19.518 +05.760 -03.874 +07.709 -04.740 +07.709 -19.318
03=AX_ 01 +20.510 -36.850 231.855 +0.000 0000 0 +20.309 -35.714 +19.793 -36.456 +20.510 -36.979 +20.510 -36.721
04=AX_ 01 -08.997 +56.740 324.680 -1.000 0000 0 -08.997 +56.740 -08.997 +56.740
05=HH_ 01 -12.859 -59.364 208.576 +0.000 0000 0 -11.550 -57.907 -14.168 -60.821 -12.859 -58.407 -12.859 -60.321

20251013.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.