Monthly Sunspot Classification and Coordinates

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March 2018 Monthly report →

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

DrawingDayRClassification and Coordinates
Drawing 01 11 AX_ – 1 (7, 44.7W)
Drawing 02 11 AX_ – 1 (4, 59.2W)
Drawing 03 0 NS
Drawing 04 0 NS
Drawing 05 0 NS
Drawing 06 0 NS
Drawing 07 0 NS
Drawing 09 0 NS
Drawing 10 0 NS
Drawing 11 0 NS
Drawing 12 0 NS
Drawing 13 0 NS
Drawing 14 0 NS
Drawing 15 0 NS
Drawing 16 0 NS
Drawing 17 15 AX_ – 5 (19, 38W)
Drawing 19 0 NS
Drawing 20 0 NS
Drawing 21 0 NS
Drawing 23 0 NS
Drawing 25 0 NS
Drawing 26 0 NS
Drawing 27 0 NS
Drawing 29 11 ?__ – 1 (-9, 77.3E)
Drawing 30 12 AX_ – 2 (-8, 72.2E)
Drawing 31 12 AX_ – 2 (-8, 57.5E)