Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Thursday, 6 July 2023

‹ 05.07.2023 2023 07.07.2023 ›

Photosphere sunspot drawing and RDS evaluation

06.07.2023 photosphere drawing

High-resolution scan (3227 px)

Time
07:20 UT
Observer
Burçin TANIK
g
9
f
51
R
141
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · CSI – 7Group 1 · CSI – 7 Group 2 · ESC – 15Group 2 · ESC – 15 Group 3 · AX_ – 4Group 3 · AX_ – 4 Group 4 · AX_ – 5Group 4 · AX_ – 5 Group 5 · AX_ – 1Group 5 · AX_ – 1 Group 6 · DSI – 13Group 6 · DSI – 13 Group 7 · AX_ – 4Group 7 · AX_ – 4 Group 8 · HS_ – 1Group 8 · HS_ – 1 Group 9 · ?__ – 1Group 9 · ?__ – 1
RDS data file (.gzd) 
[Gözlem]
Tarih=6.07.2023
Saat=07:20
Gözlemci=Burçin TANIK
KontrolEden=Başar COŞKUNOĞLU
Durumaçısı=-0.43
Enlemaçısı=3.39
Boylamaçısı=66.05
Boylamfark=3
GKalite=3
GDurum=G.T , H.S
Kuzeyaçısı=-0.4
Sırano=19755
AyRasatNo=6
RasatÖnceki=05.07.2023
RasatSonraki=07.07.2023

[Leke Grupları]
Grupsayısı=9:2:7
LekeSayısı=51:22:29
RölatifSayı=141:42:99
01=CSI 07 +23.490 -04.612 061.438 25.110 0000 0 +24.702 -02.764 +22.279 -06.459 +23.140 -03.462 +24.205 -06.500
02=ESC 15 +23.996 -27.368 038.682 10.770 0000 0 +25.572 -22.230 +22.420 -32.507 +23.312 -24.185 +24.809 -32.830
03=AX_ 04 -15.359 +42.196 108.246 +0.000 0000 0 -14.493 +42.866 -16.226 +41.527 -15.359 +42.365 -15.359 +42.270
04=AX_ 05 -06.292 +21.234 087.284 +0.000 0000 0 -05.772 +22.490 -06.813 +19.979 -06.292 +21.990 -06.292 +20.478
05=AX_ 01 -12.619 +05.663 071.713 -1.000 0000 0 -12.619 +05.663 -12.619 +05.663
06=DSI 13 -20.457 +00.908 066.958 05.711 0000 0 -19.880 +05.695 -21.826 -03.879 -20.232 +04.944 -20.968 -02.435
07=AX_ 04 -11.168 -02.813 063.237 +0.000 0000 0 -09.955 -02.107 -12.381 -03.520 -11.168 -02.606 -11.168 -03.200
08=HS_ 01 -07.919 -58.180 007.870 +0.000 0000 0 -07.283 -57.386 -08.554 -58.974 -07.919 -57.886 -07.919 -58.474
09=?__ 01 -19.365 -81.442 344.608 +0.000 0000 0 -17.570 -77.917 -21.673 -84.967 -19.365 -78.417 -19.365 -84.467
20230706.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 →

2023/20230706_bto · BTO · 6 frames · 128.6 MB · 06:57:37–07:03:27 UT

06:58:41 UT · 40 ms 07:03:27 UT · 40 ms 07:01:54 UT · 40 ms 07:00:05 UT · 70 ms · over-exposed 06:57:37 UT · 70 ms · over-exposed 07:01:00 UT · 70 ms · over-exposed

Coronado H-α animations from frame sequences

No Coronado observation for this day.