Daily Sunspot Evaluation

Observation Details Tuesday, 15 April 2025

No
20225
Date
2025 / 04 / 15,448
Time
10:45 UT
Seeing
3 / 5
Number of groups (g)
4
Number of spots (f)
27
Relative number (R)
67
Lf
1
P0
-25.97°
B0
-5.58°
L0
140.47°
Observer
Olcay PLEVNE

Remarks: Kenar Titremesi

15.04.2025 photosphere drawing

Sunspot groups

NoGroup (class – spots)BΔ LLΔ LfUNOAA
1AX_ – 1 1734.3W175 35.3W-
2CAI – 22 705.6E135 04.6E9.7
3HS_ – 1 -738.2W179 39.2W2.0
4EAO – 3 -375.0E65 74.0E7.5

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