National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD January 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:15 2 15 35.00 10 42 142.00 12 57 177.00 2 01:29 3 7 37.00 8 40 120.00 11 47 157.00 3 - 4 00:23 3 6 36.00 9 40 130.00 12 46 166.00 5 00:10 3 15 45.00 8 53 133.00 11 68 178.00 6 - 7 04:10 2 18 38.00 6 21 81.00 8 39 119.00 8 00:38 4 23 63.00 5 15 65.00 9 38 128.00 9 00:49 6 21 81.00 3 7 37.00 9 28 118.00 10 00:20 5 24 74.00 3 7 37.00 8 31 111.00 11 00:30 5 20 70.00 4 4 44.00 9 24 114.00 12 - 13 00:03 5 15 65.00 5 6 56.00 10 21 121.00 14 01:32 3 8 38.00 2 3 23.00 5 11 61.00 15 00:38 4 13 53.00 2 5 25.00 6 18 78.00 16 - 17 00:59 7 18 88.00 1 11 21.00 8 29 109.00 18 00:04 7 34 104.00 2 21 41.00 9 55 145.00 19 - 20 01:16 5 22 72.00 4 26 66.00 9 48 138.00 21 01:31 6 25 85.00 4 36 76.00 10 61 161.00 22 00:29 4 12 52.00 4 48 88.00 8 60 140.00 23 00:38 7 23 93.00 4 44 84.00 11 67 177.00 24 00:05 4 14 54.00 3 34 64.00 7 48 118.00 25 04:31 4 9 49.00 4 18 58.00 8 27 107.00 26 00:08 4 7 47.00 4 14 54.00 8 21 101.00 27 - 28 00:41 0 0 0.00 3 6 36.00 3 6 36.00 29 00:31 3 9 39.00 3 4 34.00 6 13 73.00 30 02:02 3 10 40.00 2 4 24.00 5 14 64.00 31 00:23 4 31 71.00 2 4 24.00 6 35 95.00 Monthly Mean 57.16 62.52 119.68 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD February 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:13 4 46 86.00 3 13 43.00 7 59 129.00 2 - 3 - 4 00:24 8 79 159.00 2 4 24.00 10 83 183.00 5 00:14 5 49 99.00 1 1 11.00 6 50 110.00 6 00:36 5 43 93.00 1 1 11.00 6 44 104.00 7 00:12 6 45 105.00 2 2 22.00 8 47 127.00 8 00:15 5 29 79.00 2 2 22.00 7 31 101.00 9 00:18 6 16 76.00 2 5 25.00 8 21 101.00 10 00:12 4 10 50.00 3 3 33.00 7 13 83.00 11 00:41 4 12 52.00 3 6 36.00 7 18 88.00 12 02:08 3 6 36.00 3 7 37.00 6 13 73.00 13 02:58 3 5 35.00 3 12 42.00 6 17 77.00 14 00:05 3 6 36.00 5 17 67.00 8 23 103.00 15 00:39 4 7 47.00 6 23 83.00 10 30 130.00 16 00:22 5 11 61.00 7 39 109.00 12 50 170.00 17 00:11 6 19 79.00 7 38 108.00 13 57 187.00 18 02:18 5 15 65.00 7 24 94.00 12 39 159.00 19 00:21 4 11 51.00 5 27 77.00 9 38 128.00 20 00:54 4 7 47.00 3 24 54.00 7 31 101.00 21 00:38 5 15 65.00 4 31 71.00 9 46 136.00 22 00:47 4 18 58.00 3 32 62.00 7 50 120.00 23 00:08 4 16 56.00 4 27 67.00 8 43 123.00 24 01:27 4 13 53.00 4 20 60.00 8 33 113.00 25 04:07 4 12 52.00 4 18 58.00 8 30 110.00 26 01:32 3 13 43.00 3 20 50.00 6 33 93.00 27 00:18 4 15 55.00 2 11 31.00 6 26 86.00 28 02:49 4 14 54.00 2 3 23.00 6 17 77.00 Monthly Mean 65.08 50.77 115.85 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD March 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:03 5 22 72.00 1 7 17.00 6 29 89.00 2 04:12 6 19 79.00 3 10 40.00 9 29 119.00 3 - 4 - 5 - 6 - 7 00:54 1 1 11.00 5 19 69.00 6 20 80.00 8 - 9 00:06 2 2 22.00 3 20 50.00 5 22 72.00 10 01:46 2 6 26.00 3 13 43.00 5 19 69.00 11 - 12 - 13 00:45 6 30 90.00 5 17 67.00 11 47 157.00 14 01:29 6 31 91.00 6 12 72.00 12 43 163.00 15 - 16 - 17 00:15 6 23 83.00 5 19 69.00 11 42 152.00 18 01:42 6 31 91.00 5 36 86.00 11 67 177.00 19 06:21 5 24 74.00 6 24 84.00 11 48 158.00 20 05:01 4 18 58.00 7 26 96.00 11 44 154.00 21 00:53 4 9 49.00 5 15 65.00 9 24 114.00 22 00:06 5 17 67.00 6 12 72.00 11 29 139.00 23 00:44 2 16 36.00 2 6 26.00 4 22 62.00 24 - 25 01:03 3 8 38.00 1 1 11.00 4 9 49.00 26 00:15 1 3 13.00 1 1 11.00 2 4 24.00 27 - 28 - 29 - 30 02:12 3 19 49.00 3 12 42.00 6 31 91.00 31 - Monthly Mean 55.82 54.12 109.94 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD April 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 - 2 - 3 - 4 02:19 4 12 52.00 5 26 76.00 9 38 128.00 5 00:21 4 17 57.00 7 51 121.00 11 68 178.00 6 06:01 4 6 46.00 6 34 94.00 10 40 140.00 7 01:40 2 4 24.00 5 23 73.00 7 27 97.00 8 00:08 4 7 47.00 4 39 79.00 8 46 126.00 9 00:36 4 18 58.00 3 19 49.00 7 37 107.00 10 02:45 5 20 70.00 3 14 44.00 8 34 114.00 11 - 12 00:26 4 23 63.00 2 3 23.00 6 26 86.00 13 - 14 02:24 3 26 56.00 1 2 12.00 4 28 68.00 15 01:20 3 17 47.00 2 5 25.00 5 22 72.00 16 00:24 2 14 34.00 2 5 25.00 4 19 59.00 17 01:05 3 8 38.00 4 8 48.00 7 16 86.00 18 06:21 2 7 27.00 3 12 42.00 5 19 69.00 19 01:05 2 13 33.00 3 15 45.00 5 28 78.00 20 - 21 00:08 3 13 43.00 5 21 71.00 8 34 114.00 22 04:42 2 13 33.00 8 29 109.00 10 42 142.00 23 - 24 06:13 2 14 34.00 9 20 110.00 11 34 144.00 25 - 26 - 27 00:05 4 11 51.00 6 17 77.00 10 28 128.00 28 - 29 00:29 2 3 23.00 5 10 60.00 7 13 83.00 30 00:07 3 13 43.00 4 9 49.00 7 22 92.00 Monthly Mean 43.95 61.60 105.55 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD May 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:18 2 22 42.00 3 5 35.00 5 27 77.00 2 - 3 00:50 2 22 42.00 1 1 11.00 3 23 53.00 4 04:15 3 13 43.00 0 0 0.00 3 13 43.00 5 01:56 4 27 67.00 1 2 12.00 5 29 79.00 6 - 7 01:15 2 29 49.00 1 9 19.00 3 38 68.00 8 00:50 2 31 51.00 2 11 31.00 4 42 82.00 9 - 10 - 11 00:47 3 11 41.00 2 3 23.00 5 14 64.00 12 - 13 00:12 4 8 48.00 3 3 33.00 7 11 81.00 14 04:40 3 7 37.00 1 1 11.00 4 8 48.00 15 01:28 2 11 31.00 1 1 11.00 3 12 42.00 16 - 17 - 18 - 19 - 20 01:22 2 10 30.00 3 4 34.00 5 14 64.00 21 01:53 2 5 25.00 4 7 47.00 6 12 72.00 22 - 23 - 24 - 25 - 26 - 27 - 28 04:40 3 14 44.00 4 11 51.00 7 25 95.00 29 - 30 - 31 - Monthly Mean 42.31 24.46 66.77 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD June 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:47 4 29 69.00 1 11 21.00 5 40 90.00 2 - 3 - 4 - 5 01:36 2 22 42.00 2 7 27.00 4 29 69.00 6 01:17 3 12 42.00 2 14 34.00 5 26 76.00 7 01:06 1 1 11.00 4 18 58.00 5 19 69.00 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 03:15 5 27 77.00 1 6 16.00 6 33 93.00 17 00:27 4 38 78.00 1 5 15.00 5 43 93.00 18 00:28 4 43 83.00 1 4 14.00 5 47 97.00 19 02:30 3 20 50.00 2 9 29.00 5 29 79.00 20 05:00 4 18 58.00 3 8 38.00 7 26 96.00 21 00:35 2 13 33.00 4 12 52.00 6 25 85.00 22 00:47 2 6 26.00 4 18 58.00 6 24 84.00 23 02:09 3 4 34.00 4 23 63.00 7 27 97.00 24 - 25 - 26 03:57 4 18 58.00 4 15 55.00 8 33 113.00 27 01:54 2 14 34.00 3 12 42.00 5 26 76.00 28 01:20 5 14 64.00 6 10 70.00 11 24 134.00 29 00:35 4 15 55.00 6 7 67.00 10 22 122.00 30 03:11 5 15 65.00 6 14 74.00 11 29 139.00 Monthly Mean 51.71 43.12 94.82 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD July 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 01:27 5 18 68.00 5 18 68.00 10 36 136.00 2 03:39 5 15 65.00 4 15 55.00 9 30 120.00 3 02:36 4 12 52.00 4 23 63.00 8 35 115.00 4 01:19 4 15 55.00 4 12 52.00 8 27 107.00 5 04:36 3 13 43.00 2 7 27.00 5 20 70.00 6 - 7 - 8 01:17 1 1 11.00 4 9 49.00 5 10 60.00 9 01:19 3 8 38.00 4 4 44.00 7 12 82.00 10 00:08 2 15 35.00 3 4 34.00 5 19 69.00 11 - 12 - 13 00:33 5 25 75.00 3 8 38.00 8 33 113.00 14 06:41 6 25 85.00 3 11 41.00 9 36 126.00 15 - 16 - 17 02:33 6 38 98.00 5 16 66.00 11 54 164.00 18 00:35 6 47 107.00 6 14 74.00 12 61 181.00 19 00:50 5 30 80.00 5 7 57.00 10 37 137.00 20 00:45 6 25 85.00 4 5 45.00 10 30 130.00 21 00:13 6 21 81.00 5 10 60.00 11 31 141.00 22 00:27 6 13 73.00 2 7 27.00 8 20 100.00 23 00:30 4 9 49.00 4 9 49.00 8 18 98.00 24 01:08 3 16 46.00 5 9 59.00 8 25 105.00 25 00:48 3 15 45.00 7 23 93.00 10 38 138.00 26 - 27 03:21 2 4 24.00 6 28 88.00 8 32 112.00 28 00:26 4 7 47.00 8 21 101.00 12 28 148.00 29 00:29 2 4 24.00 6 19 79.00 8 23 103.00 30 04:39 3 4 34.00 6 28 88.00 9 32 122.00 31 02:53 3 10 40.00 6 20 80.00 9 30 120.00 Monthly Mean 56.67 59.88 116.54 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD August 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 - 2 02:16 3 23 53.00 5 10 60.00 8 33 113.00 3 01:27 3 25 55.00 3 7 37.00 6 32 92.00 4 01:03 5 38 88.00 1 4 14.00 6 42 102.00 5 01:36 4 33 73.00 2 8 28.00 6 41 101.00 6 01:09 5 26 76.00 2 7 27.00 7 33 103.00 7 - 8 00:48 7 27 97.00 3 7 37.00 10 34 134.00 9 03:19 9 35 125.00 1 1 11.00 10 36 136.00 10 - 11 - 12 - 13 - 14 02:31 8 28 108.00 7 16 86.00 15 44 194.00 15 00:48 7 11 81.00 6 13 73.00 13 24 154.00 16 02:32 7 15 85.00 2 14 34.00 9 29 119.00 17 00:47 4 6 46.00 2 11 31.00 6 17 77.00 18 00:08 2 2 22.00 1 6 16.00 3 8 38.00 19 01:02 2 2 22.00 4 11 51.00 6 13 73.00 20 00:58 2 2 22.00 2 4 24.00 4 6 46.00 21 00:19 3 4 34.00 2 6 26.00 5 10 60.00 22 00:43 2 9 29.00 2 4 24.00 4 13 53.00 23 01:47 3 10 40.00 2 3 23.00 5 13 63.00 24 02:09 3 10 40.00 3 4 34.00 6 14 74.00 25 01:11 3 16 46.00 4 6 46.00 7 22 92.00 26 02:29 8 22 102.00 7 16 86.00 15 38 188.00 27 00:18 7 21 91.00 7 28 98.00 14 49 189.00 28 - 29 00:16 6 15 75.00 6 37 97.00 12 52 172.00 30 01:08 7 14 84.00 6 51 111.00 13 65 195.00 31 00:12 5 13 63.00 5 40 90.00 10 53 153.00 Monthly Mean 64.88 48.50 113.38 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD September 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:20 6 17 77.00 4 42 82.00 10 59 159.00 2 00:52 6 21 81.00 3 31 61.00 9 52 142.00 3 00:43 6 28 88.00 4 18 58.00 10 46 146.00 4 - 5 - 6 00:10 5 23 73.00 3 4 34.00 8 27 107.00 7 01:02 3 11 41.00 2 6 26.00 5 17 67.00 8 01:30 5 23 73.00 2 10 30.00 7 33 103.00 9 05:46 5 11 61.00 2 8 28.00 7 19 89.00 10 01:40 5 7 57.00 2 11 31.00 7 18 88.00 11 00:04 3 7 37.00 2 15 35.00 5 22 72.00 12 - 13 - 14 07:21 3 12 42.00 2 3 23.00 5 15 65.00 15 - 16 01:26 5 14 64.00 3 7 37.00 8 21 101.00 17 00:03 6 24 84.00 4 17 57.00 10 41 141.00 18 00:29 3 12 42.00 3 12 42.00 6 24 84.00 19 - 20 - 21 00:52 3 10 40.00 6 31 91.00 9 41 131.00 22 00:07 4 9 49.00 6 29 89.00 10 38 138.00 23 06:02 5 11 61.00 7 30 100.00 12 41 161.00 24 - 25 01:00 3 5 35.00 6 31 91.00 9 36 126.00 26 00:18 2 4 24.00 8 33 113.00 10 37 137.00 27 02:48 4 5 45.00 5 22 72.00 9 27 117.00 28 02:22 6 16 76.00 5 21 71.00 11 37 147.00 29 06:02 7 25 95.00 2 24 44.00 9 49 139.00 30 03:44 5 35 85.00 2 17 37.00 7 52 122.00 Monthly Mean 60.45 56.91 117.36 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD October 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 - 2 03:58 7 44 114.00 3 15 45.00 10 59 159.00 3 00:46 7 45 115.00 3 5 35.00 10 50 150.00 4 - 5 03:05 5 33 83.00 2 9 29.00 7 42 112.00 6 - 7 - 8 00:17 3 5 35.00 3 9 39.00 6 14 74.00 9 - 10 00:43 3 5 35.00 2 3 23.00 5 8 58.00 11 - 12 - 13 01:35 4 36 76.00 3 3 33.00 7 39 109.00 14 - 15 - 16 - 17 01:24 4 27 67.00 3 7 37.00 7 34 104.00 18 01:05 3 7 37.00 4 15 55.00 7 22 92.00 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 02:01 3 13 43.00 4 8 48.00 7 21 91.00 28 02:13 4 11 51.00 4 8 48.00 8 19 99.00 29 00:50 3 15 45.00 3 6 36.00 6 21 81.00 30 01:50 4 9 49.00 2 3 23.00 6 12 72.00 31 - Monthly Mean 62.50 37.58 100.08 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD November 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 - 2 - 3 00:09 3 4 34.00 1 9 19.00 4 13 53.00 4 00:18 4 7 47.00 1 11 21.00 5 18 68.00 5 - 6 - 7 00:07 4 16 56.00 3 10 40.00 7 26 96.00 8 - 9 - 10 00:25 3 19 49.00 3 15 45.00 6 34 94.00 11 - 12 05:08 2 22 42.00 6 23 83.00 8 45 125.00 13 - 14 00:33 2 8 28.00 5 15 65.00 7 23 93.00 15 01:22 3 6 36.00 6 14 74.00 9 20 110.00 16 00:31 1 1 11.00 5 7 57.00 6 8 68.00 17 00:52 0 0 0.00 3 12 42.00 3 12 42.00 18 05:20 0 0 0.00 2 11 31.00 2 11 31.00 19 02:33 0 0 0.00 3 10 40.00 3 10 40.00 20 03:13 1 1 11.00 2 5 25.00 3 6 36.00 21 00:48 2 2 22.00 2 5 25.00 4 7 47.00 22 00:28 2 5 25.00 2 3 23.00 4 8 48.00 23 05:58 3 5 35.00 4 10 50.00 7 15 85.00 24 00:12 3 7 37.00 4 16 56.00 7 23 93.00 25 - 26 00:42 2 5 25.00 3 20 50.00 5 25 75.00 27 00:33 2 3 23.00 3 15 45.00 5 18 68.00 28 01:06 2 6 26.00 3 10 40.00 5 16 66.00 29 01:13 2 7 27.00 3 14 44.00 5 21 71.00 30 00:08 2 8 28.00 5 17 67.00 7 25 95.00 Monthly Mean 26.76 44.86 71.62 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD December 2025 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:30 3 7 37.00 5 23 73.00 8 30 110.00 2 03:27 4 7 47.00 5 29 79.00 9 36 126.00 3 05:38 3 4 34.00 4 32 72.00 7 36 106.00 4 00:28 3 4 34.00 4 24 64.00 7 28 98.00 5 00:18 3 6 36.00 4 28 68.00 7 34 104.00 6 00:40 3 8 38.00 4 38 78.00 7 46 116.00 7 00:33 3 14 44.00 3 27 57.00 6 41 101.00 8 00:15 4 15 55.00 4 40 80.00 8 55 135.00 9 02:11 2 5 25.00 4 18 58.00 6 23 83.00 10 00:21 3 21 51.00 6 31 91.00 9 52 142.00 11 02:55 2 6 26.00 6 20 80.00 8 26 106.00 12 01:17 1 2 12.00 3 16 46.00 4 18 58.00 13 01:53 2 2 22.00 3 17 47.00 5 19 69.00 14 - 15 00:04 1 5 15.00 2 11 31.00 3 16 46.00 16 00:23 3 8 38.00 2 6 26.00 5 14 64.00 17 01:08 3 10 40.00 2 4 24.00 5 14 64.00 18 00:59 3 6 36.00 2 4 24.00 5 10 60.00 19 05:02 3 3 33.00 1 1 11.00 4 4 44.00 20 - 21 - 22 - 23 00:59 4 14 54.00 2 6 26.00 6 20 80.00 24 - 25 - 26 00:38 5 12 62.00 4 15 55.00 9 27 117.00 27 06:12 4 13 53.00 5 13 63.00 9 26 116.00 28 00:06 5 16 66.00 6 14 74.00 11 30 140.00 29 04:40 2 10 30.00 4 10 50.00 6 20 80.00 30 00:24 2 15 35.00 7 29 99.00 9 44 134.00 31 00:17 3 11 41.00 5 22 72.00 8 33 113.00 Monthly Mean 38.56 57.92 96.48 --------------------------------------------------------------------