Monthly Sunspot Classification and Coordinates

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February 2018 Monthly report →

Each group: class – number of spots (B, ΔL). NS: No sunspot.

DrawingDayRClassification and Coordinates
Drawing 01 0 NS
Drawing 03 0 NS
Drawing 05 13 HA_ – 3 (-6, 71.4E)
Drawing 06 16 DAO – 6 (-7, 60.1E)
07 18 DSI – 8 (-6, 45.4E)
Drawing 08 26 DAC – 16 (-7, 36E)
Drawing 09 30 DKI – 20 (-7, 22.2E)
Drawing 13 28 DAI – 18 (-7, 31.2W)
Drawing 14 37 DAI – 27 (-8, 47.8W)
Drawing 15 20 CAO – 10 (-7, 55.7W)
Drawing 18 0 NS
Drawing 19 0 NS
Drawing 21 0 NS
Drawing 22 0 NS