Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Monday, 16 September 2024

‹ 15.09.2024 2024 17.09.2024 ›

Photosphere sunspot drawing and RDS evaluation

16.09.2024 photosphere drawing

High-resolution scan (3229 px)

Time
08:40 UT
Observer
Süleyman FİŞEK
g
9
f
66
R
156
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HH_ – 1Group 1 · HH_ – 1 Group 2 · BXI – 5Group 2 · BXI – 5 Group 3 · BXI – 6Group 3 · BXI – 6 Group 4 · BXO – 3Group 4 · BXO – 3 Group 5 · ESC – 16Group 5 · ESC – 16 Group 6 · AX_ – 1Group 6 · AX_ – 1 Group 7 · EKC – 32Group 7 · EKC – 32 Group 8 · HH_ – 1Group 8 · HH_ – 1 Group 9 · HH_ – 1Group 9 · HH_ – 1
RDS data file (.gzd) 
[Gözlem]
Tarih=16.09.2024
Saat=08:40
Gözlemci=Süleyman FİŞEK
KontrolEden=Korhan YELKENCİ
Durumaçısı=24.32
Enlemaçısı=7.18
Boylamaçısı=42.71
Boylamfark=2
GKalite=3
GDurum=G.T
Kuzeyaçısı=-0.6
Sırano=20094
AyRasatNo=15
RasatÖnceki=15.09.2024
RasatSonraki=17.09.2024

[Leke Grupları]
Grupsayısı=9:3:6
LekeSayısı=66:12:54
RölatifSayı=156:42:114
01=HH_ 01 +15.817 +70.684 113.394 +0.000 0000 0 +17.560 +72.528 +14.579 +68.839 +15.817 +72.280 +15.817 +69.340
02=BXI 05 +15.593 +61.153 103.863 +0.000 0000 0 +17.749 +63.203 +13.437 +59.102 +15.593 +63.300 +15.593 +59.302
03=BXI 06 +16.764 +29.700 072.410 +0.000 0000 0 +17.528 +31.860 +16.000 +27.541 +16.764 +31.360 +16.764 +28.410
04=BXO 03 -27.383 +32.860 075.570 +0.000 0000 0 -26.746 +35.567 -28.210 +30.153 -27.383 +35.670 -27.383 +30.653
05=ESC 16 -03.643 +30.940 072.804 +0.000 0000 0 -02.242 +36.934 -05.440 +23.255 -03.643 +36.734 -03.643 +23.455
06=AX_ 01 -01.544 -10.301 032.409 -1.000 0000 0 -01.544 -10.301 -01.544 -10.301
07=EKC 32 -15.191 -30.974 011.736 +0.000 0000 0 -11.597 -24.877 -18.785 -37.710 -15.191 -25.770 -15.191 -36.871
08=HH_ 01 -25.116 -69.100 333.709 +0.000 0000 0 -23.755 -66.641 -26.477 -71.360 -25.116 -67.241 -25.116 -70.959
09=HH_ 01 -11.673 -80.470 322.240 +0.000 0000 0 -10.439 -77.774 -12.906 -83.166 -11.673 -78.274 -11.673 -82.666
20240916.gzd

Chromosphere (H-α) FITS frames

H-α

The images are made automatically with a fixed, gentle rule: uneven illumination and most of the limb darkening are removed, and the brightness is shown on a linear scale (no sharpening); prominences get their own scale outside the limb. Frames are ordered by sharpness (seeing); frames without the Sun (darks, bias) come last. Method →

2024/20240916_sf · SF · 6 frames · 128.6 MB · 09:11:52–09:16:13 UT

09:15:29 UT · 30 ms 09:13:43 UT · 30 ms 09:11:52 UT · 30 ms 09:14:42 UT · 50 ms · over-exposed 09:12:50 UT · 50 ms · over-exposed 09:16:13 UT · 50 ms · over-exposed

Coronado H-α animations from frame sequences

No Coronado observation for this day.