Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Monday, 21 October 2024

‹ 20.10.2024 2024 23.10.2024 ›

Photosphere sunspot drawing and RDS evaluation

21.10.2024 photosphere drawing

High-resolution scan (3230 px)

Time
10:40 UT
Observer
Korhan YELKENCİ
g
11
f
53
R
163
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · DAO – 3Group 1 · DAO – 3 Group 2 · CAI – 15Group 2 · CAI – 15 Group 3 · CAO – 2Group 3 · CAO – 2 Group 4 · HS_ – 1Group 4 · HS_ – 1 Group 5 · AX_ – 5Group 5 · AX_ – 5 Group 6 · AX_ – 2Group 6 · AX_ – 2 Group 7 · AX_ – 2Group 7 · AX_ – 2 Group 8 · DAI – 16Group 8 · DAI – 16 Group 9 · BXO – 2Group 9 · BXO – 2 Group 10 · CSO – 4Group 10 · CSO – 4 Group 11 · HS_ – 1Group 11 · HS_ – 1
RDS data file (.gzd) 
[Gözlem]
Tarih=21.10.2024
Saat=10:40
Gözlemci=Korhan YELKENCİ
KontrolEden=Burçin TANIK
Durumaçısı=25.76
Enlemaçısı=5.35
Boylamaçısı=299.79
Boylamfark=1
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.5
Sırano=20125
AyRasatNo=18
RasatÖnceki=20.10.2024
RasatSonraki=23.10.2024

[Leke Grupları]
Grupsayısı=11:1:10
LekeSayısı=53:3:50
RölatifSayı=163:13:150
01=DAO 03 +10.466 +66.928 006.718 16.710 0000 0 +11.836 +71.965 +09.970 +61.892 +11.494 +70.937 +09.297 +63.286
02=CAI 15 -11.290 +47.421 347.211 16.753 0000 0 -09.681 +51.450 -12.378 +43.392 -09.881 +51.250 -12.178 +43.592
03=CAO 02 -06.449 +32.568 332.358 22.891 0000 0 -05.199 +35.873 -07.699 +29.263 -05.100 +35.351 -07.711 +29.716
04=HS_ 01 -05.890 +22.348 322.138 +0.000 0000 0 -04.608 +22.687 -05.570 +22.900 -05.890 +21.955 -05.890 +22.741
05=AX_ 05 -08.367 +14.102 313.892 +0.000 0000 0 -07.257 +15.241 -09.477 +12.964 +00.000 +00.000 +00.000 +00.000
06=AX_ 02 -15.131 -29.759 270.310 +0.000 0000 0 -14.740 -29.273 -15.522 -30.244 -15.131 -29.774 -15.131 -29.745
07=AX_ 02 -22.100 -39.578 260.212 +0.000 0000 0 -20.658 -38.679 -23.542 -40.478 +00.000 +00.000 +00.000 +00.000
08=DAI 16 -08.286 -40.563 259.227 15.574 0000 0 -06.848 -36.160 -09.724 -44.966 -07.284 -36.677 -09.557 -44.571
09=BXO 02 -21.354 -57.166 242.624 +0.000 0000 0 -20.708 -54.320 -21.999 -60.120 -21.354 -54.766 -21.354 -59.566
10=CSO 04 -12.524 -67.800 232.782 19.946 0000 0 -11.221 -63.759 -13.827 -70.258 -11.466 -64.900 -13.627 -70.580
11=HS_ 01 -09.604 -79.603 220.187 +0.000 0000 0 -08.554 -77.204 -10.655 -82.200 -09.604 -77.605 -09.604 -81.601
20241021.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.