Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Thursday, 25 April 2024

‹ 24.04.2024 2024 26.04.2024 ›

Photosphere sunspot drawing and RDS evaluation

25.04.2024 photosphere drawing

High-resolution scan (3231 px)

Time
07:15 UT
Observer
Süleyman FİŞEK
g
11
f
92
R
202
Seeing
2 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HR_ – 1Group 1 · HR_ – 1 Group 2 · FAC – 21Group 2 · FAC – 21 Group 3 · HS_ – 1Group 3 · HS_ – 1 Group 4 · FKC – 13Group 4 · FKC – 13 Group 5 · BXI – 8Group 5 · BXI – 8 Group 6 · CRI – 4Group 6 · CRI – 4 Group 7 · EAC – 25Group 7 · EAC – 25 Group 8 · CSI – 10Group 8 · CSI – 10 Group 9 · BXI – 5Group 9 · BXI – 5 Group 10 · AX_ – 3Group 10 · AX_ – 3 Group 11 · AX_ – 1Group 11 · AX_ – 1
RDS data file (.gzd) 
[Gözlem]
Tarih=25.04.2024
Saat=07:15
Gözlemci=Süleyman FİŞEK
KontrolEden=Ergün EGE
Durumaçısı=-24.95
Enlemaçısı=-4.7
Boylamaçısı=147.87
Boylamfark=3
GKalite=2
GDurum=H.S
Kuzeyaçısı=-0.6
Sırano=19968
AyRasatNo=21
RasatÖnceki=24.04.2024
RasatSonraki=26.04.2024

[Leke Grupları]
Grupsayısı=11:3:8
LekeSayısı=92:23:69
RölatifSayı=202:53:149
01=HR_ 01 +29.598 +63.974 211.844 +0.000 0000 0 +30.119 +65.400 +29.770 +62.908 +29.598 +64.720 +29.598 +63.228
02=FAC 21 +17.135 +38.365 186.235 +0.000 0000 0 +23.251 +53.586 +11.180 +23.144 +17.135 +53.386 +17.135 +23.344
03=HS_ 01 +13.405 +18.900 165.960 +0.000 0000 0 +14.480 +19.500 +12.329 +17.130 +13.405 +19.585 +13.405 +18.215
04=FKC 13 -11.530 +73.562 221.432 +0.000 0000 0 -07.268 +84.431 -14.839 +62.694 -11.530 +84.231 -11.530 +62.894
05=BXI 08 -22.958 +34.989 182.859 +0.000 0000 0 -20.778 +38.874 -25.138 +31.104 -22.958 +38.674 -22.958 +31.304
06=CRI 04 -13.748 -04.444 143.426 +0.000 0000 0 -12.542 -00.328 -14.955 -08.560 -13.748 -00.528 -13.748 -08.360
07=EAC 25 -08.785 -16.184 131.686 +0.000 0000 0 -04.889 -09.359 -12.681 -23.100 -08.785 -09.559 -08.785 -22.810
08=CSI 10 -25.933 -22.393 125.477 +0.000 0000 0 -24.665 -16.127 -27.202 -28.659 -25.933 -16.327 -25.933 -28.459
09=BXI 05 -11.961 -31.278 116.592 +0.000 0000 0 -10.236 -29.681 -13.686 -32.875 -11.961 -29.881 -11.961 -32.675
10=AX_ 03 -12.293 -45.390 102.479 +0.000 0000 0 -11.565 -44.432 -13.220 -46.349 -12.293 -44.931 -12.293 -45.848
11=AX_ 01 -08.997 -72.910 074.960 -1.000 0000 0 -08.997 -72.910 -08.997 -72.910
20240425.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.