Images 17.03.2026 · Istanbul University Observatory Solar Observations

Solar Images Tuesday, 17 March 2026

‹ 11.03.2026 2026 25.03.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 09:45 UT
Observer: Emre YILMAN
g: 3
f: 16
R: 46
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · CSO – 4

Group 2 · CSI – 5

Group 3 · BXI – 7

RDS data file (.gzd)

[Gözlem]
Tarih=17.03.2026
Saat=09:45
Gözlemci=Emre YILMAN
KontrolEden=Tuğba BOZTEPE
Durumaçısı=-24.76
Enlemaçısı=-7.12
Boylamaçısı=26.04
Boylamfark=1
GKalite=3
GDurum=H.S
Kuzeyaçısı=-0.4
Sırano=20435
AyRasatNo=9
RasatÖnceki=11.03.2026
RasatSonraki=25.03.2026

[Leke Grupları]
Grupsayısı=3:1:2
LekeSayısı=16:4:12
RölatifSayı=46:14:32
01=CSO 04 +12.792 +22.187 048.227 +0.000 0000 0 +13.545 +19.730 +12.400 +25.301 +12.792 +24.472 +12.792 +19.902
02=CSI 05 -15.852 -10.440 015.600 +0.000 0000 0 -14.225 -07.686 -17.480 -13.195 -15.852 -07.886 -15.852 -12.995
03=BXI 07 -05.873 -21.356 004.684 +0.000 0000 0 -04.918 -18.989 -06.828 -23.723 -05.873 -19.189 -05.873 -23.523

20260317.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.