Monthly Sunspot Classification and Coordinates

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May 2018 Monthly report →

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

DrawingDayRClassification and Coordinates
Drawing 01 0 NS
Drawing 02 0 NS
Drawing 03 0 NS
Drawing 04 11 AX_ – 1 (-11, 62.5E)
Drawing 08 26 HR_ – 1 (3, 74.2E), AX_ – 5 (-12, 12E)
Drawing 09 23 AX_ – 1 (5, 59.8E), AX_ – 2 (-10, 03.6W)
Drawing 10 11 AX_ – 1 (5, 47.1E)
Drawing 11 11 AX_ – 1 (5, 35.9E)
Drawing 12 0 NS
Drawing 13 11 AX_ – 1 (5, 07E)
14 0 NS
Drawing 15 24 AX_ – 2 (11, 05.9W), AX_ – 2 (11, 03.6W)
Drawing 16 0 NS
Drawing 17 0 NS
Drawing 18 0 NS
Drawing 19 0 NS
20 0 NS
Drawing 21 11 AX_ – 1 (17, 70.3E)
Drawing 23 44 CSI – 10 (5, 18.8W), AX_ – 2 (16, 44.2E), AX_ – 2 (16, 48.8E)
Drawing 24 37 CAI – 14 (6, 30.2W), ?__ – 3 (17, 37.4E)
Drawing 25 44 CRI – 6 (6, 45.5W), AX_ – 1 (17, 20.6E), CAI – 7 (15, 67.7E)
Drawing 26 34 BXO – 4 (6, 58.7W), CRI – 10 (14, 51.3E)
Drawing 28 27 BXO – 17 (13, 27.1E)
Drawing 29 29 BXI – 19 (15, 13.6E)
Drawing 30 31 AX_ – 1 (13, 12W), CSI – 10 (15, 00.9W)
Drawing 31 29 CAI – 19 (15, 09.6W)