Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Wednesday, 12 March 2025

‹ 11.03.2025 2025 14.03.2025 ›

Photosphere sunspot drawing and RDS evaluation

12.03.2025 photosphere drawing

High-resolution scan (3231 px)

Time
08:20 UT
Observer
Süleyman FİŞEK
g
11
f
60
R
170
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · AX_ – 2Group 1 · AX_ – 2 Group 2 · CRI – 5Group 2 · CRI – 5 Group 3 · DAC – 19Group 3 · DAC – 19 Group 4 · CSO – 2Group 4 · CSO – 2 Group 5 · BXO – 7Group 5 · BXO – 7 Group 6 · CRI – 6Group 6 · CRI – 6 Group 7 · HS_ – 1Group 7 · HS_ – 1 Group 8 · CSO – 4Group 8 · CSO – 4 Group 9 · HH_ – 4Group 9 · HH_ – 4 Group 10 · DSI – 6Group 10 · DSI – 6 Group 11 · CSI – 4Group 11 · CSI – 4
RDS data file (.gzd) 
[Gözlem]
Tarih=12.03.2025
Saat=08:20
Gözlemci=Süleyman FİŞEK
KontrolEden=Ergün EGE
Durumaçısı=-23.98
Enlemaçısı=-7.21
Boylamaçısı=230.28
Boylamfark=2
GKalite=3
GDurum=G.T , H.S , K.T
Kuzeyaçısı=-0.7
Sırano=20206
AyRasatNo=10
RasatÖnceki=11.03.2025
RasatSonraki=14.03.2025

[Leke Grupları]
Grupsayısı=11:7:4
LekeSayısı=60:42:18
RölatifSayı=170:112:58
01=AX_ 02 +06.307 +57.246 287.526 +0.000 0000 0 +06.727 +57.919 +05.887 +56.573 +06.307 +57.419 +06.307 +57.730
02=CRI 05 +11.700 +09.331 239.611 +0.000 0000 0 +11.750 +12.946 +10.389 +05.716 +11.700 +12.446 +11.700 +06.216
03=DAC 19 +04.965 -14.688 215.592 +0.000 0000 0 +07.720 -11.740 +02.858 -18.302 +04.965 -11.274 +04.965 -18.102
04=CSO 02 +19.403 -34.428 195.852 +0.000 0000 0 +20.662 -32.897 +18.144 -35.959 +19.403 -33.970 +19.403 -35.759
05=BXO 07 +08.228 -41.140 189.140 +0.000 0000 0 +09.715 -38.440 +06.742 -43.839 +08.228 -38.640 +08.228 -43.639
06=CRI 06 +10.688 -51.770 178.510 +0.000 0000 0 +11.521 -49.120 +09.856 -54.529 +10.688 -49.212 +10.688 -54.329
07=HS_ 01 +24.538 -54.776 175.504 +0.000 0000 0 +25.234 -53.994 +23.841 -55.558 +24.538 -54.494 +24.538 -55.580
08=CSO 04 -13.990 +75.494 305.774 +0.000 0000 0 -12.144 +76.301 -15.836 +74.687 +00.000 +00.000 +00.000 +00.000
09=HH_ 04 -19.607 +01.945 232.225 +0.000 0000 0 -18.592 +04.800 -20.622 -00.118 -19.607 +03.904 -19.607 -00.140
10=DSI 06 -06.220 -50.992 179.288 +0.000 0000 0 -04.634 -48.119 -07.805 -53.866 -06.220 -48.319 -06.220 -53.666
11=CSI 04 -19.187 -58.644 171.636 +0.000 0000 0 -18.521 -56.939 -19.852 -60.348 -19.187 -57.440 -19.187 -59.848
20250312.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.