Monthly Sunspot Classification and Coordinates
April 2011 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 07 | 89 | HA_ – 1 (14, 72W), DAO – 9 (15, 45W), CAO – 6 (21, 33E), CAO – 5 (18, 41E), CAO – 7 (21, 54E), HA_ – 1 (-20, 73E) |
| Drawing | 08 | 80 | HA_ – 1 (14, 62W), BXO – 7 (22, 19E), BXI – 9 (18, 26E), CRI – 7 (22, 38E), BXO – 6 (-19, 59E) |
| Drawing | 09 | 98 | HS_ – 1 (15, 72W), CSO – 3 (21, 08E), CSI – 20 (17, 14E), CSI – 17 (22, 30E), DSO – 7 (-20, 47E) |
| Drawing | 10 | 64 | BXI – 22 (17, 00W), CAI – 10 (23, 15E), AX_ – 2 (-18, 33E) |
| Drawing | 11 | 99 | CAI – 31 (16, 12W), DAC – 19 (22, 04E), BXI – 4 (12, 35E), BXI – 5 (-21, 23E) |
| Drawing | 12 | 114 | CAI – 12 (16, 25W), CAI – 16 (22, 09W), AX_ – 3 (10, 10E), CAI – 20 (13, 23E), ?__ – 1 (8, 82E), BXO – 2 (-21, 10E) |
| Drawing | 13 | 157 | CRI – 12 (16, 40W), CSI – 20 (22, 25W), CRO – 4 (10, 06W), DAI – 37 (13, 08E), CSO – 5 (8, 68E), ?__ – 3 (16, 80E), AX_ – 6 (-32, 22W) |
| Drawing | 15 | 173 | AX_ – 1 (16, 68W), AX_ – 3 (20, 53W), AX_ – 1 (22, 44W), AX_ – 2 (9, 33W), DAI – 54 (13, 16W), CSO – 5 (8, 44E), EAI – 24 (16, 57E), AX_ – 3 (-32, 44W) |
| Drawing | 16 | 140 | AX_ – 1 (17, 81W), AX_ – 1 (21, 67W), AX_ – 1 (10, 49W), CKI – 27 (11, 29W), AX_ – 1 (31, 12E), CSI – 6 (9, 29E), EAC – 21 (17, 42E), AX_ – 2 (-32, 59W) |
| Drawing | 17 | 96 | DAO – 24 (11, 43W), CSI – 4 (7, 14E), AX_ – 1 (9, 22E), EAC – 27 (16, 29E) |
| Drawing | 21 | 83 | AX_ – 1 (8, 44W), EAI – 16 (17, 24W), DAI – 13 (-18, 50E), HS_ – 1 (-16, 65E), DSO – 2 (-26, 74E) |
| Drawing | 22 | 102 | EAI – 19 (17, 35W), BXI – 4 (-27, 42W), DAI – 31 (-17, 39E), BXO – 8 (-26, 63E) |
| Drawing | 23 | 55 | CKC – 6 (17, 51W), EHC – 29 (-16, 23E) |
| Drawing | 25 | 65 | ?__ – 7 (16, 76W), DAI – 23 (-17, 02W), BXO – 5 (-26, 22E) |
| Drawing | 26 | 107 | BXI – 9 (20, 11W), AX_ – 3 (15, 02W), AX_ – 1 (14, 59E), DSI – 22 (-18, 15W), BXO – 7 (-28, 10E), BXI – 5 (-17, 54E) |
| Drawing | 29 | 106 | DAI – 15 (19, 54W), AX_ – 2 (12, 19E), AX_ – 1 (6, 22E), ?__ – 2 (18, 69E), ?__ – 1 (19, 81E), DSI – 7 (-18, 56W), BXI – 8 (-18, 14E) |
| Drawing | 30 | 92 | EAO – 9 (20, 66W), BXO – 5 (15, 56W), HS_ – 3 (18, 60E), HR_ – 1 (19, 68E), CAO – 2 (-17, 70W), BXI – 12 (-18, 02E) |
