Solar Images Saturday, 21 February 2026

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Photosphere sunspot drawing and RDS evaluation

21.02.2026 photosphere drawing

High-resolution scan (3237 px)

Time
11:00 UT
Observer
Burçin TANIK
g
1
f
1
R
11
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

RDS data file (.gzd)
[Gözlem]
Tarih=21.02.2026
Saat=11:00
Gözlemci=Burçin TANIK
KontrolEden=Yağız ALTIKULAÇ
Durumaçısı=-19.41
Enlemaçısı=-7.05
Boylamaçısı=341.55
Boylamfark=1
GKalite=3
GDurum=G.T
Kuzeyaçısı=-1.0
Sırano=20424
AyRasatNo=6
RasatÖnceki=20.02.2026
RasatSonraki=23.02.2026

[Leke Grupları]
Grupsayısı=1:1:0
LekeSayısı=1:1:0
RölatifSayı=11:11:0
01=?__ 01 +09.560 +82.150 063.700 -1.000 0000 0 +09.560 +82.150 +09.560 +82.150
20260221.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 →

2026/20260221_bto · BTO · 2 frames · 42.9 MB · 11:13:24–11:17:15 UT

Coronado H-α animations from frame sequences

No Coronado observation for this day.