Solar Images Thursday, 12 August 2021

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Photosphere sunspot drawing and RDS evaluation

12.08.2021 photosphere drawing

High-resolution scan (3233 px)

Time
07:20 UT
Observer
Burçin TANIK
g
0
f
0
R
0
Seeing
3 / 5

Sunspot groups and observation details →

RDS data file (.gzd)
[Gözlem]
Tarih=12.08.2021
Saat=07:20
Gözlemci=Burçin TANIK
KontrolEden=Ergün EGE
Durumaçısı=15.1
Enlemaçısı=6.5
Boylamaçısı=211.69
Boylamfark=3
GKalite=3
GDurum=B.A , Y.B
Kuzeyaçısı=-1.4
Sırano=19244
AyRasatNo=12
RasatÖnceki=11.08.2021
RasatSonraki=13.08.2021

[Leke Grupları]
Grupsayısı=0:0:0
LekeSayısı=0:0:0
RölatifSayı=0:0:0
20210812.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 →

2021/20210812_bto · BTO · 4 frames · 85.7 MB · 07:35:48–07:47:21 UT

Coronado H-α animations from frame sequences

No Coronado observation for this day.