Images 25.04.2023 · Istanbul University Observatory Solar Observations

Solar Images Tuesday, 25 April 2023

‹ 24.04.2023 2023 26.04.2023 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 09:30 UT
Observer: Korhan YELKENCİ
g: 5
f: 20
R: 70
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXI – 3

Group 2 · AX_ – 1

Group 3 · DAI – 7

Group 4 · DAI – 8

Group 5 · AX_ – 1

RDS data file (.gzd)

[Gözlem]
Tarih=25.04.2023
Saat=09:30
Gözlemci=Korhan YELKENCİ
KontrolEden=Olcay PLEVNE
Durumaçısı=-25.04
Enlemaçısı=-4.76
Boylamaçısı=297.4
Boylamfark=1
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.2
Sırano=19698
AyRasatNo=16
RasatÖnceki=24.04.2023
RasatSonraki=26.04.2023

[Leke Grupları]
Grupsayısı=5:2:3
LekeSayısı=20:4:16
RölatifSayı=70:24:46
01=BXI 03 +14.860 -13.462 283.938 +0.000 0000 0 +14.827 -11.862 +13.346 -15.610 +14.860 -12.880 +14.860 -14.836
02=AX_ 01 +15.642 -22.596 274.804 -1.000 0000 0 +15.642 -22.596 +15.642 -22.596
03=DAI 07 -18.105 -27.605 269.795 12.519 0000 0 -16.794 -22.371 -19.417 -32.838 -16.994 -22.571 -19.217 -32.638
04=DAI 08 -23.478 -34.595 262.805 17.303 0000 0 -22.178 -30.855 -24.777 -38.334 -22.378 -31.550 -24.577 -38.134
05=AX_ 01 -11.196 -37.276 260.124 -1.000 0000 0 -11.196 -37.276 -11.196 -37.276

20230425.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.