Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Tuesday, 25 October 2022

‹ 24.10.2022 2022 26.10.2022 ›

Photosphere sunspot drawing and RDS evaluation

25.10.2022 photosphere drawing

High-resolution scan (3233 px)

Time
08:10 UT
Observer
Talar YONTAN
g
6
f
34
R
94
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · AX_ – 1Group 1 · AX_ – 1 Group 2 · CAO – 6Group 2 · CAO – 6 Group 3 · AX_ – 1Group 3 · AX_ – 1 Group 4 · DKO – 8Group 4 · DKO – 8 Group 5 · CRI – 7Group 5 · CRI – 7 Group 6 · CRO – 11Group 6 · CRO – 11
RDS data file (.gzd) 
[Gözlem]
Tarih=25.10.2022
Saat=08:10
Gözlemci=Talar YONTAN
KontrolEden=Başar COŞKUNOĞLU
Durumaçısı=25.42
Enlemaçısı=5.05
Boylamaçısı=176.72
Boylamfark=2
GKalite=3
GDurum=G.T , K.T
Kuzeyaçısı=0.0
Sırano=19583
AyRasatNo=18
RasatÖnceki=24.10.2022
RasatSonraki=26.10.2022

[Leke Grupları]
Grupsayısı=6:3:3
LekeSayısı=34:8:26
RölatifSayı=94:38:56
01=AX_ 01 +13.693 -63.503 113.217 -1.000 0000 0 +13.693 -63.503 +13.693 -63.503
02=CAO 06 +24.487 -69.444 107.276 04.189 0000 0 +26.165 -64.104 +22.809 -74.783 +23.875 -66.204 +24.487 -74.583
03=AX_ 01 +26.897 -89.875 086.845 -1.000 0000 0 +26.897 -89.875 +26.897 -89.875
04=DKO 08 -09.988 +54.688 231.408 09.239 0000 0 -08.336 +57.544 -11.640 +51.832 -10.691 +56.357 -09.988 +52.320
05=CRI 07 -08.310 +08.495 185.215 +0.000 0000 0 -07.560 +10.589 -09.590 +06.402 -08.310 +10.890 -08.310 +06.901
06=CRO 11 -23.521 +05.695 182.415 06.237 0000 0 -22.151 +10.130 -24.890 +01.261 -24.400 +09.537 -23.521 +01.461
20221025.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 →

2022/20221025_ty · TY · 4 frames · 85.7 MB · 08:11:49–08:14:05 UT

08:11:49 UT · 30 ms 08:13:27 UT · 30 ms 08:12:48 UT · 60 ms · over-exposed 08:14:05 UT · 60 ms · over-exposed

Coronado H-α animations from frame sequences

No Coronado observation for this day.