Images 18.12.2023 · Istanbul University Observatory Solar Observations

Solar Images Monday, 18 December 2023

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Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3229 px)

Time: 08:45 UT
Observer: Ergün EGE
g: 9
f: 27
R: 117
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXO – 7

Group 2 · BXO – 3

Group 3 · BXO – 2

Group 4 · AX_ – 1

Group 5 · BXO – 2

Group 6 · BXO – 3

Group 7 · CSO – 6

Group 8 · AX_ – 1

Group 9 · BXO – 2

RDS data file (.gzd)

[Gözlem]
Tarih=18.12.2023
Saat=08:45
Gözlemci=Ergün EGE
KontrolEden=Süleyman FİŞEK
Durumaçısı=8.81
Enlemaçısı=-1.26
Boylamaçısı=47.05
Boylamfark=2
GKalite=3
GDurum=H.S
Kuzeyaçısı=-0.8
Sırano=19884
AyRasatNo=7
RasatÖnceki=14.12.2023
RasatSonraki=19.12.2023

[Leke Grupları]
Grupsayısı=9:5:4
LekeSayısı=27:15:12
RölatifSayı=117:65:52
01=BXO 07 +08.161 -23.418 023.632 +0.000 0000 0 +09.459 -20.840 +06.862 -25.996 +08.161 -21.400 +08.161 -25.796
02=BXO 03 +10.982 -43.734 003.316 +0.000 0000 0 +12.285 -40.733 +09.679 -46.734 +10.982 -40.933 +10.982 -46.534
03=BXO 02 +24.784 -47.663 359.387 +0.000 0000 0 +26.476 -44.893 +23.920 -50.432 +24.784 -45.930 +24.784 -50.232
04=AX_ 01 +14.325 -50.519 356.531 +0.000 0000 0 +14.643 -50.165 +14.700 -50.873 +14.325 -50.665 +14.325 -50.373
05=BXO 02 +13.367 -65.326 341.724 +0.000 0000 0 +14.736 -62.518 +11.997 -68.134 +13.367 -62.718 +13.367 -67.934
06=BXO 03 -02.725 +46.661 093.711 +0.000 0000 0 -01.882 +49.267 -03.568 +44.560 -02.725 +49.670 -02.725 +44.256
07=CSO 06 -10.925 +19.670 066.117 +0.000 0000 0 -08.817 +22.530 -13.340 +15.603 -10.925 +22.330 -10.925 +15.803
08=AX_ 01 -07.580 -25.419 021.631 +0.000 0000 0 -07.251 -25.215 -07.909 -25.622 -07.580 -25.715 -07.580 -25.123
09=BXO 02 -19.812 -63.292 343.758 +0.000 0000 0 -18.690 -60.452 -20.934 -66.131 -19.812 -60.653 -19.812 -65.931

20231218.gzd

Chromosphere (H-α) FITS frames

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 →

2023/20231218_ee · EE · 10 frames · 214.3 MB · 08:52:31–09:07:36 UT

09:04:54 UT · 30 ms