Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Tuesday, 8 October 2024

‹ 07.10.2024 2024 09.10.2024 ›

Photosphere sunspot drawing and RDS evaluation

08.10.2024 photosphere drawing

High-resolution scan (3226 px)

Time
08:25 UT
Observer
Olcay PLEVNE
g
6
f
65
R
125
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXI – 2Group 1 · BXI – 2 Group 2 · DAI – 15Group 2 · DAI – 15 Group 3 · ?__ – 2Group 3 · ?__ – 2 Group 4 · FAI – 10Group 4 · FAI – 10 Group 5 · EKC – 27Group 5 · EKC – 27 Group 6 · ESI – 9Group 6 · ESI – 9
RDS data file (.gzd) 
[Gözlem]
Tarih=8.10.2024
Saat=08:25
Gözlemci=Olcay PLEVNE
KontrolEden=Burçin TANIK
Durumaçısı=26.25
Enlemaçısı=6.31
Boylamaçısı=112.51
Boylamfark=2
GKalite=3
GDurum=K.T
Kuzeyaçısı=0.0
Sırano=20114
AyRasatNo=7
RasatÖnceki=07.10.2024
RasatSonraki=09.10.2024

[Leke Grupları]
Grupsayısı=6:2:4
LekeSayısı=65:17:48
RölatifSayı=125:37:88
01=BXI 02 +07.488 +06.336 118.846 +0.000 0000 0 +08.105 +07.240 +06.871 +05.432 +07.488 +06.740 +07.488 +05.932
02=DAI 15 +14.407 +00.544 113.540 +0.000 0000 0 +19.905 +04.181 +08.910 -03.940 +14.407 +03.981 +14.407 -02.894
03=?__ 02 -14.297 +81.424 193.934 +0.000 0000 0 -12.514 +86.457 -16.810 +76.391 -14.297 +85.957 -14.297 +76.891
04=FAI 10 -15.620 +68.435 180.945 +0.000 0000 0 -10.700 +76.931 -20.540 +59.938 -15.620 +76.731 -15.620 +60.138
05=EKC 27 -05.217 -22.990 089.520 +0.000 0000 0 -01.850 -16.161 -08.584 -29.819 -05.217 -16.361 -05.217 -29.619
06=ESI 09 -09.994 -68.239 044.271 +0.000 0000 0 -07.413 -61.650 -12.575 -74.828 -09.994 -61.850 -09.994 -74.628
20241008.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 →

2024/20241008_op · OP · 4 frames · 85.7 MB · 08:23:51–08:30:36 UT

08:26:17 UT · 30 ms 08:23:51 UT · 30 ms 08:30:36 UT · 50 ms · over-exposed 08:28:24 UT · 60 ms · over-exposed

Coronado H-α animations from frame sequences

No Coronado observation for this day.