Images 03.04.2026 · Istanbul University Observatory Solar Observations

Solar Images Friday, 3 April 2026

‹ 01.04.2026 2026 05.04.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 13:15 UT
Observer: Emre YILMAN
g: 5
f: 27
R: 77
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXO – 2

Group 2 · DSI – 5

Group 3 · EAC – 14

Group 4 · DSC – 5

Group 5 · AX_ – 1

RDS data file (.gzd)

[Gözlem]
Tarih=3.04.2026
Saat=13:15
Gözlemci=Emre YILMAN
KontrolEden=Korhan YELKENCİ
Durumaçısı=-26.21
Enlemaçısı=-6.42
Boylamaçısı=159.92
Boylamfark=1
GKalite=3
GDurum=H.S , K.T
Kuzeyaçısı=-0.5
Sırano=20441
AyRasatNo=2
RasatÖnceki=01.04.2026
RasatSonraki=05.04.2026

[Leke Grupları]
Grupsayısı=5:3:2
LekeSayısı=27:21:6
RölatifSayı=77:51:26
01=BXO 02 +14.453 +44.542 204.462 +0.000 0000 0 +15.115 +46.542 +13.790 +42.541 +14.453 +46.420 +14.453 +43.420
02=DSI 05 +09.476 +22.818 182.738 +0.000 0000 0 +13.250 +26.757 +05.702 +18.879 +09.476 +26.557 +09.476 +19.790
03=EAC 14 +04.115 -05.347 154.573 +0.000 0000 0 +08.402 -00.276 -00.171 -10.418 +04.115 -00.476 +04.115 -10.218
04=DSC 05 -27.729 +11.760 171.680 +0.000 0000 0 -23.410 +18.720 -32.480 +05.448 -27.729 +17.872 -27.729 +05.648
05=AX_ 01 -05.680 -52.610 107.310 -1.000 0000 0 -05.680 -52.610 -05.680 -52.610

20260403.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.