Solar Images Saturday, 18 April 2026

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Photosphere sunspot drawing and RDS evaluation

18.04.2026 photosphere drawing

High-resolution scan (3232 px)

Time
11:45 UT
Observer
Burçin TANIK
g
2
f
14
R
34
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

RDS data file (.gzd)
[Gözlem]
Tarih=18.04.2026
Saat=11:45
Gözlemci=Burçin TANIK
KontrolEden=İrem ÖZDEMİR
Durumaçısı=-25.76
Enlemaçısı=-5.35
Boylamaçısı=322.75
Boylamfark=0
GKalite=3
GDurum=G.T , H.S
Kuzeyaçısı=-1.2
Sırano=20450
AyRasatNo=11
RasatÖnceki=14.04.2026
RasatSonraki=20.04.2026

[Leke Grupları]
Grupsayısı=2:1:1
LekeSayısı=14:13:1
RölatifSayı=34:23:11
01=EHC 13 +14.177 -08.658 314.920 +0.000 0000 0 +15.857 -02.824 +12.496 -14.491 +14.177 -03.240 +14.177 -14.291
02=HS_ 01 -17.669 +52.337 015.870 +0.000 0000 0 -16.868 +52.936 -18.470 +51.739 -17.669 +52.436 -17.669 +52.239
20260418.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.