Images 29.04.2026 · Istanbul University Observatory Solar Observations

Solar Images Wednesday, 29 April 2026

‹ 28.04.2026 2026 30.04.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 08:35 UT
Observer: Tuğba BOZTEPE
g: 5
f: 57
R: 107
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · FAI – 16

Group 2 · EAI – 12

Group 3 · EKC – 16

Group 4 · BXO – 4

Group 5 · CAI – 9

RDS data file (.gzd)

[Gözlem]
Tarih=29.04.2026
Saat=08:35
Gözlemci=Tuğba BOZTEPE
KontrolEden=Yağız ALTIKULAÇ
Durumaçısı=-24.4
Enlemaçısı=-4.36
Boylamaçısı=179.17
Boylamfark=2
GKalite=3
GDurum=G.T
Kuzeyaçısı=-0.7
Sırano=20457
AyRasatNo=18
RasatÖnceki=28.04.2026
RasatSonraki=30.04.2026

[Leke Grupları]
Grupsayısı=5:3:2
LekeSayısı=57:44:13
RölatifSayı=107:74:33
01=FAI 16 +14.534 +45.307 224.477 +0.000 0000 0 +16.297 +53.221 +12.772 +37.393 +14.534 +53.210 +14.534 +37.593
02=EAI 12 +16.396 +11.950 191.120 +0.000 0000 0 +19.583 +17.837 +13.209 +06.620 +16.396 +17.358 +16.396 +06.541
03=EKC 16 +04.179 -17.928 161.242 +0.000 0000 0 +07.236 -12.515 +01.122 -23.342 +04.179 -12.714 +04.179 -23.141
04=BXO 04 -10.881 +28.788 207.958 +0.000 0000 0 -09.787 +31.410 -11.976 +26.165 -10.881 +31.211 -10.881 +26.365
05=CAI 09 -23.645 -10.859 168.311 +0.000 0000 0 -21.709 -07.691 -25.581 -14.270 -23.645 -07.770 -23.645 -13.949

20260429.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.