Images 20.05.2025 · Istanbul University Observatory Solar Observations

Solar Images Tuesday, 20 May 2025

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Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3231 px)

Time: 12:55 UT
Observer: Süleyman FİŞEK
g: 7
f: 16
R: 86
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HH_ – 1

Group 2 · HR_ – 2

Group 3 · CRI – 5

Group 4 · CAO – 3

Group 5 · AX_ – 1

RDS data file (.gzd)

[Gözlem]
Tarih=20.05.2025
Saat=12:55
Gözlemci=Süleyman FİŞEK
KontrolEden=Süleyman FİŞEK
Durumaçısı=-19.28
Enlemaçısı=-2.04
Boylamaçısı=36.67
Boylamfark=1
GKalite=3
GDurum=G.T , B.A
Kuzeyaçısı=-0.6
Sırano=20249
AyRasatNo=15
RasatÖnceki=19.05.2025
RasatSonraki=21.05.2025

[Leke Grupları]
Grupsayısı=7:3:4
LekeSayısı=16:8:8
RölatifSayı=86:38:48
01=HH_ 01 +13.840 +22.236 058.906 -1.000 0000 0 +14.399 +23.917 +11.768 +20.555
02=HR_ 02 +16.816 +14.559 051.229 -1.000 0000 0 +17.266 +15.833 +16.366 +13.285
03=CRI 05 +16.614 -09.832 026.838 +0.000 0000 0 +18.609 -06.980 +14.619 -12.685 +16.614 -07.180 +16.614 -12.485
04=CAO 03 -12.486 -19.730 017.597 -1.000 0000 0 -11.717 -17.242 -13.254 -20.904
05=AX_ 01 -16.760 -21.129 015.541 -1.000 0000 0 -16.760 -21.129 -16.760 -21.129
06=HS_ 01 -13.470 -57.960 338.710 -1.000 0000 0 -12.675 -56.786 -14.265 -59.133
07=CSO 03 -06.446 -69.366 327.304 +0.000 0000 0 -06.470 -65.292 -06.844 -73.440 -06.446 -65.792 -06.446 -72.940

20250520.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.