Images 20.09.2021 · Istanbul University Observatory Solar Observations

Solar Images Monday, 20 September 2021

‹ 19.09.2021 2021 21.09.2021 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3226 px)

Time: 11:45 UT
Observer: Oğuzhan ÇAKIR
g: 3
f: 23
R: 53
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · CRI – 11

Group 2 · BXI – 7

Group 3 · DAI – 5

RDS data file (.gzd)

[Gözlem]
Tarih=20.09.2021
Saat=11:45
Gözlemci=Oğuzhan ÇAKIR
KontrolEden=Korhan YELKENCİ
Durumaçısı=24.9
Enlemaçısı=7.1
Boylamaçısı=54.08
Boylamfark=0
GKalite=3
GDurum=K.T
Kuzeyaçısı=-0.6
Sırano=19281
AyRasatNo=18
RasatÖnceki=19.09.2021
RasatSonraki=21.09.2021

[Leke Grupları]
Grupsayısı=3:2:1
LekeSayısı=23:18:5
RölatifSayı=53:38:15
01=CRI 11 +25.367 -00.629 053.451 09.345 0000 0 +26.461 +02.213 +24.272 -03.472 +24.866 +01.675 +25.662 -03.168
02=BXI 07 +16.282 -49.840 004.240 14.298 0000 0 +17.877 -47.801 +14.688 -51.878 +15.747 -48.399 +16.516 -51.420
03=DAI 05 -28.110 -58.982 355.980 15.114 0000 0 -26.342 -56.410 -29.679 -61.923 -28.600 -57.125 -27.579 -60.906

20210920.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.