Daily Sunspot Evaluation

Observation Details Thursday, 2 February 2017

No
17969
Date
2017 / 02 / 02,309
Time
07:25 UT
Seeing
3 / 5
Number of groups (g)
3
Number of spots (f)
13
Relative number (R)
43
Lf
3
P0
-12.76°
B0
-6.12°
L0
58.13°
Observer
Seda KAPTAN
02.02.2017 photosphere drawing

Sunspot groups

NoGroup (class – spots)BΔ LLΔ LfUNOAA
1HS_ – 1 1652W110 55W2.9
2BXO – 4 1538W96 41W3.6
3DSI – 8 1524W82 27W7.1

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