Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Wednesday, 10 April 2024

‹ 09.04.2024 2024 11.04.2024 ›

Photosphere sunspot drawing and RDS evaluation

10.04.2024 photosphere drawing

High-resolution scan (3230 px)

Time
08:05 UT
Observer
Korhan YELKENCİ
g
4
f
20
R
60
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · HS_ – 7Group 1 · HS_ – 7 Group 2 · BXO – 3Group 2 · BXO – 3 Group 3 · CSO – 2Group 3 · CSO – 2 Group 4 · CAI – 8Group 4 · CAI – 8
RDS data file (.gzd) 
[Gözlem]
Tarih=10.04.2024
Saat=08:05
Gözlemci=Korhan YELKENCİ
KontrolEden=Korhan YELKENCİ
Durumaçısı=-26.2
Enlemaçısı=-5.94
Boylamaçısı=345.5
Boylamfark=2
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.5
Sırano=19956
AyRasatNo=9
RasatÖnceki=09.04.2024
RasatSonraki=11.04.2024

[Leke Grupları]
Grupsayısı=4:3:1
LekeSayısı=20:12:8
RölatifSayı=60:42:18
01=HS_ 07 +07.270 +13.938 359.438 +0.000 0000 0 +08.786 +15.373 +05.267 +12.503 +07.270 +14.873 +07.270 +13.300
02=BXO 03 +22.125 -33.343 312.157 +0.000 0000 0 +22.770 -31.838 +21.480 -34.848 +22.125 -32.338 +22.125 -34.348
03=CSO 02 +17.658 -61.183 284.317 +0.000 0000 0 +18.160 -57.174 +17.299 -65.191 +17.658 -57.674 +17.658 -64.691
04=CAI 08 -08.762 -27.446 318.540 14.579 0000 0 -07.563 -23.395 -09.960 -31.498 -07.763 -23.595 -09.760 -31.298
20240410.gzd

Chromosphere (H-α) FITS frames

No chromosphere observation for this day.

Coronado H-α animations from frame sequences

No Coronado observation for this day.