Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Saturday, 25 December 2021

‹ 24.12.2021 2021 27.12.2021 ›

Photosphere sunspot drawing and RDS evaluation

25.12.2021 photosphere drawing

High-resolution scan (3235 px)

Time
09:15 UT
Observer
Oğuzhan ÇAKIR
g
10
f
75
R
175
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXO – 2Group 1 · BXO – 2 Group 2 · EKI – 26Group 2 · EKI – 26 Group 3 · CSI – 3Group 3 · CSI – 3 Group 4 · AX_ – 1Group 4 · AX_ – 1 Group 5 · BXI – 7Group 5 · BXI – 7 Group 6 · AX_ – 2Group 6 · AX_ – 2 Group 7 · CRI – 12Group 7 · CRI – 12 Group 8 · HH_ – 2Group 8 · HH_ – 2 Group 9 · DKI – 19Group 9 · DKI – 19 Group 10 · AX_ – 1Group 10 · AX_ – 1
RDS data file (.gzd) 
[Gözlem]
Tarih=25.12.2021
Saat=09:15
Gözlemci=Oğuzhan ÇAKIR
KontrolEden=Hikmet ÇAKMAK
Durumaçısı=5.27
Enlemaçısı=-2.2
Boylamaçısı=229.68
Boylamfark=2
GKalite=3
GDurum=K.T
Kuzeyaçısı=-0.4
Sırano=19347
AyRasatNo=16
RasatÖnceki=24.12.2021
RasatSonraki=27.12.2021

[Leke Grupları]
Grupsayısı=10:2:8
LekeSayısı=75:28:47
RölatifSayı=175:48:127
01=BXO 02 +15.629 +05.197 234.877 +0.000 0000 0 +16.104 +07.980 +15.153 +02.414 +15.629 +07.480 +15.629 +02.914
02=EKI 26 +19.461 -21.358 208.322 04.840 0000 0 +21.124 -16.500 +17.798 -26.665 +18.755 -16.524 +19.461 -26.465
03=CSI 03 -21.262 +76.435 306.115 07.960 0000 0 -20.420 +79.800 -22.481 +73.862 -20.785 +77.892 -21.262 +74.620
04=AX_ 01 -18.885 +53.425 283.105 -1.000 0000 0 -18.885 +53.425 -18.885 +53.425
05=BXI 07 -17.680 +09.380 239.600 06.572 0000 0 -16.320 +11.516 -18.104 +07.244 -17.171 +10.740 -16.810 +07.611
06=AX_ 02 -11.426 +03.419 233.990 +0.000 0000 0 -10.987 +03.808 -11.866 +03.290 -11.426 +03.178 -11.426 +03.660
07=CRI 12 -27.429 -02.691 226.989 07.800 0000 0 -25.985 +00.788 -28.873 -06.171 -27.148 +00.171 -27.942 -05.638
08=HH_ 02 -16.969 -35.733 193.947 +0.000 0000 0 -15.589 -34.419 -18.348 -37.470 -16.969 -34.708 -16.969 -36.759
09=DKI 19 -16.435 -43.790 186.601 02.296 0000 0 -14.441 -39.665 -18.428 -46.494 -16.322 -40.391 -16.550 -46.810
10=AX_ 01 -11.568 -79.155 150.525 -1.000 0000 0 -11.568 -79.155 -11.568 -79.155
20211225.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.