Images 30.12.2023 · Istanbul University Observatory Solar Observations

Solar Images Saturday, 30 December 2023

‹ 29.12.2023 2023 04.01.2024 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3231 px)

Time: 07:20 UT
Observer: Ergün EGE
g: 5
f: 18
R: 68
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · AX_ – 1

Group 2 · BXO – 4

Group 3 · AX_ – 2

Group 4 · HA_ – 1

Group 5 · BXI – 10

RDS data file (.gzd)

[Gözlem]
Tarih=30.12.2023
Saat=07:20
Gözlemci=Ergün EGE
KontrolEden=Süleyman FİŞEK
Durumaçısı=3.13
Enlemaçısı=-2.73
Boylamaçısı=249.75
Boylamfark=3
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.4
Sırano=19895
AyRasatNo=18
RasatÖnceki=29.12.2023
RasatSonraki=04.01.2024

[Leke Grupları]
Grupsayısı=5:3:2
LekeSayısı=18:7:11
RölatifSayı=68:37:31
01=AX_ 01 +07.598 +82.907 332.657 +0.000 0000 0 +07.891 +84.260 +07.305 +81.553 +07.598 +83.760 +07.598 +82.530
02=BXO 04 +14.485 +55.762 305.512 +0.000 0000 0 +15.456 +59.939 +13.514 +51.584 +14.485 +59.739 +14.485 +51.784
03=AX_ 02 +18.119 +30.834 280.584 +0.000 0000 0 +19.286 +32.193 +16.952 +29.474 +00.000 +00.000 +00.000 +00.000
04=HA_ 01 -19.545 +52.358 302.108 +0.000 0000 0 -18.250 +53.695 -21.660 +51.210 -19.545 +53.101 -19.545 +51.616
05=BXI 10 -13.120 -27.451 222.299 +0.000 0000 0 -11.620 -23.161 -14.404 -31.740 -13.120 -23.361 -13.120 -31.540

20231230.gzd

Chromosphere (H-α) FITS frames

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 →

2023/20231230_ee · EE · 10 frames · 214.3 MB · 07:30:20–07:45:13 UT

07:31:57 UT · 50 ms