Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Thursday, 3 October 2024

‹ 02.10.2024 2024 04.10.2024 ›

Photosphere sunspot drawing and RDS evaluation

03.10.2024 photosphere drawing

High-resolution scan (3230 px)

Time
07:10 UT
Observer
Korhan YELKENCİ
g
9
f
138
R
228
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · DAI – 32Group 1 · DAI – 32 Group 2 · DAC – 13Group 2 · DAC – 13 Group 3 · AX_ – 1Group 3 · AX_ – 1 Group 4 · AX_ – 2Group 4 · AX_ – 2 Group 5 · DAI – 25Group 5 · DAI – 25 Group 6 · DAI – 31Group 6 · DAI – 31 Group 7 · HS_ – 1Group 7 · HS_ – 1 Group 8 · DAC – 31Group 8 · DAC – 31 Group 9 · AX_ – 2Group 9 · AX_ – 2
RDS data file (.gzd) 
[Gözlem]
Tarih=3.10.2024
Saat=07:10
Gözlemci=Korhan YELKENCİ
KontrolEden=Ergün EGE
Durumaçısı=26.1
Enlemaçısı=6.6
Boylamaçısı=179.17
Boylamfark=3
GKalite=3
GDurum=H.S
Kuzeyaçısı=-0.4
Sırano=20109
AyRasatNo=2
RasatÖnceki=02.10.2024
RasatSonraki=04.10.2024

[Leke Grupları]
Grupsayısı=9:2:7
LekeSayısı=138:45:93
RölatifSayı=228:65:163
01=DAI 32 +13.184 +10.578 189.748 29.401 0000 0 +15.839 +15.730 +10.529 +06.840 +15.501 +14.802 +10.729 +06.284
02=DAC 13 +13.420 -67.708 111.462 34.161 0000 0 +16.627 -63.420 +10.213 -72.374 +16.427 -63.242 +10.413 -72.174
03=AX_ 01 -09.174 +78.553 257.723 -1.000 0000 0 -09.174 +78.553 -09.174 +78.553
04=AX_ 02 -09.693 +49.424 228.594 +0.000 0000 0 -08.684 +50.254 -10.702 +48.593 +00.000 +00.000 +00.000 +00.000
05=DAI 25 -08.722 +30.935 210.105 18.970 0000 0 -06.883 +36.181 -10.560 +25.689 -07.830 +35.981 -10.360 +25.889
06=DAI 31 -14.830 +19.524 198.694 32.772 0000 0 -11.181 +24.600 -16.985 +15.420 -11.381 +23.692 -16.785 +15.242
07=HS_ 01 -13.393 +10.700 189.240 +0.000 0000 0 -12.601 +10.780 -14.185 +09.360 -13.393 +10.910 -13.393 +10.490
08=DAC 31 -13.681 -03.925 175.245 40.340 0000 0 -08.766 +01.678 -18.597 -09.529 -09.326 +01.478 -18.374 -09.329
09=AX_ 02 -26.744 -43.863 135.307 +0.000 0000 0 -26.476 -43.483 -27.120 -44.244 -26.744 -43.982 -26.744 -43.743
20241003.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 →

2024/20241003_ky · KY · 14 frames · 299.9 MB · 07:34:36–07:41:07 UT

07:38:36 UT · 50 ms 07:36:36 UT · 50 ms 07:34:36 UT · 30 ms 07:37:06 UT · 60 ms · over-exposed 07:39:36 UT · 30 ms 07:40:06 UT · 50 ms 07:35:06 UT · 50 ms 07:39:06 UT · 60 ms · over-exposed 07:38:06 UT · 30 ms 07:35:36 UT · 60 ms · over-exposed 07:40:37 UT · 60 ms · over-exposed 07:36:06 UT · 30 ms 07:37:36 UT 07:41:07 UT

Coronado H-α animations from frame sequences

No Coronado observation for this day.