Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Sunday, 5 January 2025

‹ 03.01.2025 2025 06.01.2025 ›

Photosphere sunspot drawing and RDS evaluation

05.01.2025 photosphere drawing

High-resolution scan (3230 px)

Time
11:00 UT
Observer
Süleyman FİŞEK
g
12
f
81
R
201
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · CSI – 5Group 1 · CSI – 5 Group 2 · AX_ – 2Group 2 · AX_ – 2 Group 3 · EHC – 24Group 3 · EHC – 24 Group 4 · HH_ – 2Group 4 · HH_ – 2 Group 5 · HS_ – 1Group 5 · HS_ – 1 Group 6 · HS_ – 1Group 6 · HS_ – 1 Group 7 · CSI – 4Group 7 · CSI – 4 Group 8 · DSC – 14Group 8 · DSC – 14 Group 9 · CSI – 7Group 9 · CSI – 7 Group 10 · CAI – 18Group 10 · CAI – 18 Group 11 · HS_ – 2Group 11 · HS_ – 2 Group 12 · HS_ – 1Group 12 · HS_ – 1 Group 13Group 13
RDS data file (.gzd) 
[Gözlem]
Tarih=5.01.2025
Saat=11:00
Gözlemci=Süleyman FİŞEK
KontrolEden=Korhan YELKENCİ
Durumaçısı=-0.22
Enlemaçısı=-3.54
Boylamaçısı=17.98
Boylamfark=1
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.6
Sırano=20168
AyRasatNo=4
RasatÖnceki=03.01.2025
RasatSonraki=06.01.2025

[Leke Grupları]
Grupsayısı=12:3:9
LekeSayısı=81:31:50
RölatifSayı=201:61:140
01=CSI 05 +18.736 +06.997 024.977 +0.000 0000 0 +19.907 +10.278 +17.565 +03.716 +18.736 +10.780 +18.736 +03.916
02=AX_ 02 +15.645 -12.887 005.930 +0.000 0000 0 +16.168 -11.484 +15.121 -14.290 +15.645 -11.984 +15.645 -13.790
03=EHC 24 +11.496 -38.403 339.577 +0.000 0000 0 +13.253 -32.311 +09.739 -44.494 +11.496 -32.511 +11.496 -44.294
04=HH_ 02 -17.948 +65.118 083.980 -1.000 0000 0 -16.882 +66.590 -19.140 +63.645
05=HS_ 01 -06.713 +62.935 080.915 -1.000 0000 0 -06.130 +63.847 -07.413 +62.240
06=HS_ 01 -05.275 +51.269 069.249 -1.000 0000 0 -04.909 +52.590 -05.641 +50.479
07=CSI 04 -10.295 +40.700 058.680 +0.000 0000 0 -08.842 +43.254 -11.747 +38.145 -10.295 +43.540 -10.295 +38.345
08=DSC 14 -14.477 +25.939 043.919 +0.000 0000 0 -12.591 +30.850 -16.362 +21.793 -14.477 +29.885 -14.477 +21.993
09=CSI 07 -15.427 -00.323 017.657 +0.000 0000 0 -14.860 +02.133 -16.767 -02.779 -15.427 +01.933 -15.427 -02.579
10=CAI 18 -08.689 -14.300 003.977 +0.000 0000 0 -06.767 -09.833 -10.610 -18.172 -08.689 -10.330 -08.689 -17.972
11=HS_ 02 -13.324 -20.671 357.309 -1.000 0000 0 -12.594 -19.788 -14.540 -21.555
12=HS_ 01 -17.820 -57.309 320.671 -1.000 0000 0 -16.995 -56.184 -18.645 -58.433
20250105.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.