Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Thursday, 27 July 2023

‹ 26.07.2023 2023 28.07.2023 ›

Photosphere sunspot drawing and RDS evaluation

27.07.2023 photosphere drawing

High-resolution scan (3234 px)

Time
06:50 UT
Observer
Burçin TANIK
g
6
f
11
R
71
Seeing
2 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HS_ – 1Group 1 · HS_ – 1 Group 2 · DSI – 5Group 2 · DSI – 5 Group 3 · HS_ – 1Group 3 · HS_ – 1 Group 4 · DSO – 2Group 4 · DSO – 2 Group 5 · HS_ – 1Group 5 · HS_ – 1 Group 6 · HS_ – 1Group 6 · HS_ – 1
RDS data file (.gzd) 
[Gözlem]
Tarih=27.07.2023
Saat=06:50
Gözlemci=Burçin TANIK
KontrolEden=Başar COŞKUNOĞLU
Durumaçısı=8.76
Enlemaçısı=5.38
Boylamaçısı=148.46
Boylamfark=3
GKalite=2
GDurum=G.T , Y.B , H.S
Kuzeyaçısı=-0.5
Sırano=19775
AyRasatNo=26
RasatÖnceki=26.07.2023
RasatSonraki=28.07.2023

[Leke Grupları]
Grupsayısı=6:3:3
LekeSayısı=11:7:4
RölatifSayı=71:37:34
01=HS_ 01 +15.139 +25.420 173.502 +0.000 0000 0 +16.220 +26.166 +14.590 +23.918 +15.139 +26.440 +15.139 +24.796
02=DSI 05 +10.990 -58.329 090.131 24.760 0000 0 +12.626 -55.103 +09.355 -61.556 +09.904 -56.540 +11.918 -60.569
03=HS_ 01 +18.399 -79.482 068.978 +0.000 0000 0 +19.328 -77.820 +17.471 -81.144 +18.399 -78.320 +18.399 -80.644
04=DSO 02 -06.859 +49.450 197.505 +0.000 0000 0 -05.736 +51.334 -07.983 +46.757 -06.859 +51.134 -06.859 +46.957
05=HS_ 01 -14.634 +23.852 172.312 +0.000 0000 0 -13.988 +24.543 -15.280 +23.160 -14.634 +24.430 -14.634 +23.660
06=HS_ 01 -11.208 -25.700 123.453 +0.000 0000 0 -10.411 -23.958 -12.400 -26.560 -11.208 -24.899 -11.208 -26.501
20230727.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.