Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Wednesday, 7 August 2024

‹ 06.08.2024 2024 08.08.2024 ›

Photosphere sunspot drawing and RDS evaluation

07.08.2024 photosphere drawing

High-resolution scan (3229 px)

Time
06:55 UT
Observer
Burçin TANIK
g
12
f
133
R
253
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HA_ – 2Group 1 · HA_ – 2 Group 2 · CSO – 6Group 2 · CSO – 6 Group 3 · AX_ – 2Group 3 · AX_ – 2 Group 4 · DSO – 3Group 4 · DSO – 3 Group 5 · HK_ – 3Group 5 · HK_ – 3 Group 6 · FKO – 13Group 6 · FKO – 13 Group 7 · EKC – 33Group 7 · EKC – 33 Group 8 · HA_ – 6Group 8 · HA_ – 6 Group 9 · EKC – 18Group 9 · EKC – 18 Group 10 · AX_ – 3Group 10 · AX_ – 3 Group 11 · BXI – 20Group 11 · BXI – 20 Group 12 · FKC – 24Group 12 · FKC – 24
RDS data file (.gzd) 
[Gözlem]
Tarih=7.08.2024
Saat=06:55
Gözlemci=Burçin TANIK
KontrolEden=Ergün EGE
Durumaçısı=13.39
Enlemaçısı=6.22
Boylamaçısı=212.15
Boylamfark=3
GKalite=3
GDurum=G.T , B.A
Kuzeyaçısı=-1.0
Sırano=20055
AyRasatNo=7
RasatÖnceki=06.08.2024
RasatSonraki=08.08.2024

[Leke Grupları]
Grupsayısı=12:5:7
LekeSayısı=133:16:117
RölatifSayı=253:66:187
01=HA_ 02 +22.860 +67.298 279.448 +0.000 0000 0 +23.629 +69.210 +22.910 +65.386 +22.860 +68.710 +22.860 +65.886
02=CSO 06 +18.995 +19.397 231.547 23.392 0000 0 +21.599 +24.530 +16.391 +14.741 +17.447 +22.928 +20.731 +15.307
03=AX_ 02 +10.830 -41.612 170.538 +0.000 0000 0 +10.976 -40.818 +09.190 -42.406 +10.830 -41.318 +10.830 -41.906
04=DSO 03 +13.720 -50.742 161.408 +0.000 0000 0 +14.693 -48.199 +12.748 -53.285 +13.720 -48.399 +13.720 -53.850
05=HK_ 03 +02.178 -75.520 136.630 +0.000 0000 0 +03.574 -72.517 +00.782 -78.522 +02.178 -73.170 +02.178 -78.220
06=FKO 13 -25.270 +33.921 246.710 +0.000 0000 0 -22.926 +41.990 -27.128 +25.853 -25.270 +41.790 -25.270 +26.530
07=EKC 33 -06.120 +11.220 223.172 15.212 0000 0 -03.100 +16.911 -09.140 +05.132 -07.661 +15.312 -05.840 +05.783
08=HA_ 06 -10.439 +10.602 222.752 +0.000 0000 0 -09.571 +11.349 -11.306 +09.854 -10.439 +10.850 -10.439 +10.354
09=EKC 18 -08.148 -05.315 206.835 18.589 0000 0 -05.298 -00.194 -10.998 -10.437 -07.506 -01.512 -09.916 -08.703
10=AX_ 03 -06.206 -30.230 182.127 +0.000 0000 0 -05.450 -29.484 -06.961 -30.563 -06.206 -30.191 -06.206 -30.269
11=BXI 20 -12.670 -35.645 176.505 35.733 0000 0 -09.831 -31.946 -15.510 -39.345 -11.189 -34.156 -14.346 -38.552
12=FKC 24 -10.486 -47.305 164.845 18.175 0000 0 -05.580 -39.120 -15.914 -55.490 -11.642 -43.537 -08.220 -54.290
20240807.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 →

2024/20240807_bto · BTO · 3 frames · 64.3 MB · 07:01:07–07:05:15 UT

07:03:02 UT · 30 ms 07:01:07 UT · 20 ms 07:05:15 UT · 60 ms · over-exposed

Coronado H-α animations from frame sequences

No Coronado observation for this day.