Monthly Sunspot Classification and Coordinates
April 2023 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 02 | 34 | HA_ – 1 (15, 36.4W), HA_ – 2 (-19, 62.8W), AX_ – 1 (-24, 52.9E) |
| Drawing | 03 | 40 | AX_ – 1 (16, 51.7W), AX_ – 1 (-18, 79.2W), CAI – 8 (-23, 10.4W) |
| Drawing | 06 | 34 | EAO – 13 (-24, 46.3W), ?__ – 1 (-21, 82.8E) |
| Drawing | 08 | 40 | EAI – 3 (-24, 73.8W), EAC – 17 (-21, 60.9E) |
| Drawing | 09 | 44 | AX_ – 1 (9, 33.7E), AX_ – 1 (-7, 20.3E), ESC – 12 (-21, 46.1E) |
| Drawing | 13 | 170 | BXI – 6 (11, 36.4W), HS_ – 1 (19, 32.2E), AX_ – 1 (21, 33E), BXI – 22 (-10, 16.7W), BXI – 21 (-20, 08.1W), BXI – 18 (-25, 01.1E), FSC – 18 (-21, 55.8E), CSI – 3 (-23, 80.1E) |
| Drawing | 14 | 149 | HS_ – 1 (8, 32.7W), HS_ – 1 (19, 18.6E), DSI – 8 (11, 61.3E), EAC – 25 (-9, 31.3W), ESI – 13 (-22, 18.1W), AX_ – 1 (-23, 30.5E), ESI – 15 (-21, 47.4E), EHI – 5 (-23, 66.6E) |
| Drawing | 15 | 222 | AX_ – 1 (9, 46.2W), AX_ – 1 (10, 24.8W), HS_ – 2 (19, 05.8E), BXI – 3 (37, 21.3E), DKI – 24 (11, 47.2E), CHI – 27 (-9, 45.2W), CSI – 16 (-23, 29.5W), AX_ – 1 (-22, 16.7E), ESI – 17 (-20, 32.8E), EKI – 17 (-24, 52.4E), AX_ – 3 (-27, 71.5E) |
| Drawing | 17 | 111 | AX_ – 1 (19, 20.9W), ESI – 12 (11, 18.5E), HR_ – 1 (-8, 78.4W), AX_ – 2 (-25, 53.4W), AX_ – 1 (-20, 00.2E), CSO – 2 (-21, 12.2E), CAI – 9 (-23, 25.8E), AX_ – 3 (-22, 41.5E) |
| Drawing | 18 | 135 | AX_ – 1 (19, 33.1W), FAC – 20 (12, 04.8E), BXI – 3 (-24, 67.7W), FAI – 16 (-19, 07.1W), DAC – 17 (-24, 12.7E), CAI – 4 (-22, 29.1E), CAI – 4 (-10, 68.7E) |
| Drawing | 19 | 75 | FAI – 14 (12, 06.6W), FAI – 12 (-22, 02.8W), CSI – 6 (-20, 16.7E), CSI – 3 (-9, 56.2E) |
| Drawing | 20 | 90 | FAI – 25 (12, 21.6W), AX_ – 2 (-21, 25.6W), CAO – 5 (-23, 12.7W), BXI – 5 (-22, 05E), BXO – 3 (-9, 40.1E) |
| Drawing | 21 | 99 | FHI – 22 (12, 33.9W), AX_ – 1 (-22, 37.7W), BXI – 4 (-23, 24.7W), BXI – 9 (-22, 04.8W), AX_ – 1 (-9, 24.1E), HS_ – 2 (-17, 80.5E) |
| Drawing | 22 | 113 | FHC – 17 (12, 47.2W), AX_ – 1 (14, 39.8E), CAI – 5 (-19, 53.5W), AX_ – 1 (-23, 41W), AX_ – 3 (-23, 21W), AX_ – 1 (-34, 10.2E), AX_ – 1 (-9, 11.2E), EAI – 4 (-18, 70E) |
| Drawing | 24 | 70 | HA_ – 2 (13, 81.4W), HS_ – 1 (10, 67.4W), AX_ – 1 (-22, 47.2W), AX_ – 1 (-8, 16W), ESO – 4 (-18, 40.9E), AX_ – 1 (-11, 50.1E) |
| Drawing | 25 | 70 | BXI – 3 (14, 13.5E), AX_ – 1 (16, 22.6E), DAI – 7 (-18, 27.6E), DAI – 8 (-24, 34.6E), AX_ – 1 (-11, 37.3E) |
| Drawing | 26 | 95 | BXI – 5 (24, 33.7W), AX_ – 1 (16, 08.7E), BXI – 4 (8, 22.8E), DSO – 3 (18, 73.3E), CHI – 7 (-18, 15.6E), DSI – 15 (-23, 21E) |
| Drawing | 28 | 108 | AX_ – 1 (18, 18.3W), BXO – 7 (8, 04.5W), HA_ – 5 (19, 46.7E), AX_ – 1 (14, 52.5E), HA_ – 6 (-17, 13.5W), FAI – 16 (-22, 06.3W), AX_ – 2 (-13, 02W) |
| Drawing | 30 | 117 | CAO – 4 (7, 36.6W), AX_ – 2 (9, 32.5W), CAI – 9 (19, 18.8E), AX_ – 1 (15, 24.1E), CAO – 7 (-17, 40.5W), ESC – 23 (-23, 35.1W), AX_ – 1 (-11, 32.4W) |
