Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Sunday, 29 September 2024

‹ 28.09.2024 2024 30.09.2024 ›

Photosphere sunspot drawing and RDS evaluation

29.09.2024 photosphere drawing

High-resolution scan (3235 px)

Time
10:10 UT
Observer
Burçin TANIK
g
7
f
61
R
131
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXI – 6Group 1 · BXI – 6 Group 2 · BXI – 5Group 2 · BXI – 5 Group 3 · DAC – 18Group 3 · DAC – 18 Group 4 · CAI – 16Group 4 · CAI – 16 Group 5 · ?__ – 2Group 5 · ?__ – 2 Group 6 · HS_ – 2Group 6 · HS_ – 2 Group 7 · DAI – 12Group 7 · DAI – 12
RDS data file (.gzd) 
[Gözlem]
Tarih=29.09.2024
Saat=10:10
Gözlemci=Burçin TANIK
KontrolEden=Ergün EGE
Durumaçısı=25.86
Enlemaçısı=6.78
Boylamaçısı=230.3
Boylamfark=1
GKalite=3
GDurum=G.T , H.S
Kuzeyaçısı=-0.1
Sırano=20106
AyRasatNo=27
RasatÖnceki=28.09.2024
RasatSonraki=30.09.2024

[Leke Grupları]
Grupsayısı=7:1:6
LekeSayısı=61:6:55
RölatifSayı=131:16:115
01=BXI 06 +13.589 -40.739 189.561 46.533 0000 0 +15.460 -39.129 +12.132 -42.348 +14.461 -40.106 +12.565 -41.904
02=BXI 05 -16.359 +45.610 275.361 39.422 0000 0 -14.632 +47.752 -18.850 +42.370 -15.180 +46.336 -17.218 +43.658
03=DAC 18 -21.176 +20.330 250.630 +0.000 0000 0 -19.264 +25.152 -23.880 +15.508 -21.176 +24.952 -21.176 +15.708
04=CAI 16 -09.115 +00.248 230.548 36.838 0000 0 -07.175 +03.200 -11.560 -02.525 -07.825 +02.195 -10.685 -01.628
05=?__ 02 -07.971 -23.774 206.526 +0.000 0000 0 -07.770 -22.300 -08.864 -25.248 -07.971 -22.800 -07.971 -24.748
06=HS_ 02 -12.794 -40.310 189.990 +0.000 0000 0 -11.918 -39.560 -13.670 -41.563 -12.794 -39.809 -12.794 -40.812
07=DAI 12 -13.231 -53.489 176.811 35.872 0000 0 -09.840 -48.552 -16.622 -58.425 -15.964 -51.509 -12.105 -56.861
20240929.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 →

2024/20240929_bto · BTO · 3 frames · 64.3 MB · 10:15:50–10:17:58 UT

10:17:58 UT · 20 ms 10:16:59 UT · 40 ms 10:15:50 UT · 60 ms · over-exposed

Coronado H-α animations from frame sequences

No Coronado observation for this day.