Images 26.07.2026 · Istanbul University Observatory Solar Observations

Solar Images Sunday, 26 July 2026

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Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3229 px)

Time: 09:55 UT
Observer: Tuğba BOZTEPE
g: 4
f: 42
R: 82
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · FHI – 9

Group 2 · CAO – 5

Group 3 · DAO – 7

Group 4 · EAI – 21

RDS data file (.gzd)

[Gözlem]
Tarih=26.07.2026
Saat=09:55
Gözlemci=Tuğba BOZTEPE
KontrolEden=Tuğba BOZTEPE
Durumaçısı=8.51
Enlemaçısı=5.32
Boylamaçısı=94.11
Boylamfark=1
GKalite=3
GDurum=G.T
Kuzeyaçısı=-0.5
Sırano=20522
AyRasatNo=22
RasatÖnceki=24.07.2026
RasatSonraki=27.07.2026

[Leke Grupları]
Grupsayısı=4:3:1
LekeSayısı=42:21:21
RölatifSayı=82:51:31
01=FHI 09 +06.858 +62.783 156.893 +0.000 0000 0 +08.803 +68.995 +04.912 +56.571 +06.858 +68.795 +06.858 +56.771
02=CAO 05 +15.913 +10.830 104.193 +0.000 0000 0 +18.610 +13.213 +13.765 +06.954 +15.913 +13.130 +15.913 +07.154
03=DAO 07 +03.780 -43.107 051.300 +0.000 0000 0 +05.681 -38.300 +01.879 -48.212 +03.780 -38.203 +03.780 -48.120
04=EAI 21 -02.752 -03.683 090.427 +0.000 0000 0 -00.183 +03.239 -05.320 -10.606 -02.752 +03.390 -02.752 -10.406

20260726.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.