National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD January 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:15 3 13 43.00 4 17 57.00 7 30 100.00 2 00:32 1 7 17.00 4 26 66.00 5 33 83.00 3 00:53 2 6 26.00 6 20 80.00 8 26 106.00 4 00:14 2 5 25.00 5 32 82.00 7 37 107.00 5 00:09 1 2 12.00 6 21 81.00 7 23 93.00 6 00:13 2 2 22.00 5 17 67.00 7 19 89.00 7 - 8 02:23 1 2 12.00 2 10 30.00 3 12 42.00 9 00:26 1 1 11.00 4 22 62.00 5 23 73.00 10 00:18 0 0 0.00 3 20 50.00 3 20 50.00 11 02:15 0 0 0.00 2 5 25.00 2 5 25.00 12 01:20 1 2 12.00 2 12 32.00 3 14 44.00 13 00:12 1 2 12.00 1 3 13.00 2 5 25.00 14 00:07 1 6 16.00 1 2 12.00 2 8 28.00 15 00:10 2 6 26.00 3 12 42.00 5 18 68.00 16 00:29 2 6 26.00 4 13 53.00 6 19 79.00 17 01:36 4 7 47.00 4 33 73.00 8 40 120.00 18 01:24 3 10 40.00 3 26 56.00 6 36 96.00 19 02:33 3 19 49.00 5 41 91.00 8 60 140.00 20 - 21 05:08 3 15 45.00 6 26 86.00 9 41 131.00 22 00:05 5 21 71.00 7 32 102.00 12 53 173.00 23 00:08 3 16 46.00 6 32 92.00 9 48 138.00 24 00:45 5 20 70.00 5 23 73.00 10 43 143.00 25 00:12 4 16 56.00 7 24 94.00 11 40 150.00 26 00:31 4 7 47.00 6 15 75.00 10 22 122.00 27 00:36 3 8 38.00 4 12 52.00 7 20 90.00 28 - 29 00:16 2 2 22.00 5 14 64.00 7 16 86.00 30 00:34 1 1 11.00 4 9 49.00 5 10 60.00 31 00:12 4 5 45.00 5 9 59.00 9 14 104.00 Monthly Mean 30.25 61.36 91.61 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD February 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:32 4 19 59.00 4 5 45.00 8 24 104.00 2 00:24 3 13 43.00 3 4 34.00 6 17 77.00 3 00:14 3 21 51.00 7 19 89.00 10 40 140.00 4 00:14 3 39 69.00 5 15 65.00 8 54 134.00 5 02:41 3 16 46.00 4 10 50.00 7 26 96.00 6 00:10 3 28 58.00 5 15 65.00 8 43 123.00 7 - 8 - 9 02:12 4 14 54.00 3 7 37.00 7 21 91.00 10 00:15 4 10 50.00 3 7 37.00 7 17 87.00 11 - 12 - 13 04:38 3 10 40.00 1 1 11.00 4 11 51.00 14 00:35 5 8 58.00 1 2 12.00 6 10 70.00 15 00:22 6 11 71.00 1 1 11.00 7 12 82.00 16 01:13 5 12 62.00 0 0 0.00 5 12 62.00 17 - 18 02:54 3 7 37.00 0 0 0.00 3 7 37.00 19 01:13 3 8 38.00 0 0 0.00 3 8 38.00 20 - 21 00:08 2 2 22.00 1 1 11.00 3 3 33.00 22 00:18 0 0 0.00 1 1 11.00 1 1 11.00 23 00:11 0 0 0.00 0 0 0.00 0 0 0.00 24 - 25 - 26 07:26 1 1 11.00 0 0 0.00 1 1 11.00 27 03:59 1 2 12.00 1 2 12.00 2 4 24.00 28 01:49 3 5 35.00 1 2 12.00 4 7 47.00 Monthly Mean 40.80 25.10 65.90 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD March 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:03 3 5 35.00 1 4 14.00 4 9 49.00 2 - 3 - 4 01:25 4 20 60.00 3 4 34.00 7 24 94.00 5 00:07 4 11 51.00 2 3 23.00 6 14 74.00 6 - 7 00:31 4 13 53.00 1 1 11.00 5 14 64.00 8 01:42 3 23 53.00 1 2 12.00 4 25 65.00 9 01:50 4 13 53.00 1 1 11.00 5 14 64.00 10 05:57 5 10 60.00 1 6 16.00 6 16 76.00 11 00:09 7 14 84.00 1 4 14.00 8 18 98.00 12 00:34 6 12 72.00 2 2 22.00 8 14 94.00 13 - 14 02:20 4 9 49.00 1 3 13.00 5 12 62.00 15 00:10 2 3 23.00 2 8 28.00 4 11 51.00 16 - 17 04:04 1 3 13.00 2 10 30.00 3 13 43.00 18 - 19 - 20 - 21 00:32 1 1 11.00 2 6 26.00 3 7 37.00 22 00:15 1 2 12.00 4 10 50.00 5 12 62.00 23 05:20 4 6 46.00 4 13 53.00 8 19 99.00 24 00:18 4 10 50.00 4 11 51.00 8 21 101.00 25 - 26 - 27 02:33 6 22 82.00 4 7 47.00 10 29 129.00 28 00:44 6 23 83.00 3 6 36.00 9 29 119.00 29 00:18 7 30 100.00 3 12 42.00 10 42 142.00 30 02:47 7 25 95.00 2 9 29.00 9 34 124.00 31 - Monthly Mean 54.25 28.10 82.35 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD April 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 - 2 06:59 7 19 89.00 2 9 29.00 9 28 118.00 3 00:28 6 28 88.00 2 11 31.00 8 39 119.00 4 - 5 - 6 - 7 - 8 00:31 3 12 42.00 1 1 11.00 4 13 53.00 9 00:29 3 7 37.00 3 5 35.00 6 12 72.00 10 - 11 00:22 2 5 25.00 1 2 12.00 3 7 37.00 12 01:30 2 8 28.00 1 2 12.00 3 10 40.00 13 - 14 03:26 3 7 37.00 2 3 23.00 5 10 60.00 15 - 16 00:15 2 14 34.00 1 3 13.00 3 17 47.00 17 00:35 2 6 26.00 1 2 12.00 3 8 38.00 18 00:42 2 12 32.00 1 2 12.00 3 14 44.00 19 02:38 1 9 19.00 1 1 11.00 2 10 30.00 20 02:18 1 11 21.00 1 1 11.00 2 12 32.00 21 05:36 2 15 35.00 0 0 0.00 2 15 35.00 22 00:12 2 19 39.00 1 1 11.00 3 20 50.00 23 - 24 - 25 05:48 4 25 65.00 2 8 28.00 6 33 93.00 26 01:06 4 34 74.00 3 9 39.00 7 43 113.00 27 02:27 3 40 70.00 3 10 40.00 6 50 110.00 28 00:15 3 55 85.00 4 7 47.00 7 62 132.00 29 - 30 - Monthly Mean 47.00 20.94 67.94 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD May 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 06:30 4 19 59.00 4 15 55.00 8 34 114.00 2 00:16 6 19 79.00 3 27 57.00 9 46 136.00 3 06:10 3 5 35.00 4 33 73.00 7 38 108.00 4 01:22 4 7 47.00 4 24 64.00 8 31 111.00 5 00:25 4 10 50.00 4 25 65.00 8 35 115.00 6 - 7 00:35 2 10 30.00 2 12 32.00 4 22 62.00 8 - 9 02:05 4 20 60.00 2 7 27.00 6 27 87.00 10 01:45 3 19 49.00 2 6 26.00 5 25 75.00 11 00:24 3 15 45.00 2 5 25.00 5 20 70.00 12 01:39 3 10 40.00 1 2 12.00 4 12 52.00 13 00:49 4 10 50.00 1 1 11.00 5 11 61.00 14 00:34 2 8 28.00 1 1 11.00 3 9 39.00 15 02:29 3 13 43.00 0 0 0.00 3 13 43.00 16 00:10 2 12 32.00 0 0 0.00 2 12 32.00 17 01:42 5 16 66.00 0 0 0.00 5 16 66.00 18 00:39 4 12 52.00 1 1 11.00 5 13 63.00 19 00:49 4 19 59.00 1 2 12.00 5 21 71.00 20 00:07 4 19 59.00 1 1 11.00 5 20 70.00 21 - 22 - 23 - 24 01:28 3 8 38.00 6 13 73.00 9 21 111.00 25 02:38 3 4 34.00 6 17 77.00 9 21 111.00 26 05:54 3 5 35.00 6 20 80.00 9 25 115.00 27 02:32 5 12 62.00 9 25 115.00 14 37 177.00 28 02:07 2 3 23.00 7 17 87.00 9 20 110.00 29 01:57 4 21 61.00 7 40 110.00 11 61 171.00 30 00:10 4 16 56.00 7 18 88.00 11 34 144.00 31 05:30 1 6 16.00 7 12 82.00 8 18 98.00 Monthly Mean 46.46 46.31 92.77 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD June 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:29 1 9 19.00 7 12 82.00 8 21 101.00 2 - 3 - 4 - 5 - 6 04:29 6 45 105.00 3 10 40.00 9 55 145.00 7 - 8 - 9 - 10 05:41 5 15 65.00 2 14 34.00 7 29 99.00 11 - 12 00:15 4 14 54.00 1 9 19.00 5 23 73.00 13 03:02 2 9 29.00 1 6 16.00 3 15 45.00 14 - 15 - 16 00:19 3 14 44.00 3 7 37.00 6 21 81.00 17 00:23 2 11 31.00 2 7 27.00 4 18 58.00 18 06:13 3 10 40.00 1 1 11.00 4 11 51.00 19 01:18 3 12 42.00 1 1 11.00 4 13 53.00 20 - 21 - 22 00:22 1 4 14.00 3 10 40.00 4 14 54.00 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 - Monthly Mean 44.30 31.70 76.00 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD July 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 00:34 2 5 25.00 3 20 50.00 5 25 75.00 9 00:33 2 3 23.00 2 19 39.00 4 22 62.00 10 00:25 2 2 22.00 2 16 36.00 4 18 58.00 11 00:19 2 7 27.00 2 15 35.00 4 22 62.00 12 - 13 - 14 00:20 1 1 11.00 2 4 24.00 3 5 35.00 15 00:37 0 0 0.00 2 5 25.00 2 5 25.00 16 01:42 1 3 13.00 2 6 26.00 3 9 39.00 17 - 18 05:59 2 2 22.00 2 4 24.00 4 6 46.00 19 00:17 2 3 23.00 2 8 28.00 4 11 51.00 20 01:27 2 14 34.00 2 12 32.00 4 26 66.00 21 00:09 2 24 44.00 3 6 36.00 5 30 80.00 22 00:20 2 23 43.00 4 7 47.00 6 30 90.00 23 01:04 2 22 42.00 3 7 37.00 5 29 79.00 24 - 25 00:19 3 23 53.00 3 8 38.00 6 31 91.00 26 00:16 3 20 50.00 4 14 54.00 7 34 104.00 27 - 28 - 29 00:12 4 18 58.00 4 6 46.00 8 24 104.00 30 - 31 06:12 6 32 92.00 2 6 26.00 8 38 118.00 Monthly Mean 34.24 35.47 69.71 -------------------------------------------------------------------- National Astronomical Observatory of Japan 10 cm New Sunspot Telescope with a 2k x 2k CCD August 2026 (k = 1.00) Date Time(UT) North South Total h m g f R g f R g f R 1 00:17 5 37 87.00 2 8 28.00 7 45 115.00 2 00:41 6 31 91.00 2 12 32.00 8 43 123.00 3 - 4 02:42 4 14 54.00 3 11 41.00 7 25 95.00 5 00:39 2 9 29.00 2 9 29.00 4 18 58.00 6 02:01 3 5 35.00 2 6 26.00 5 11 61.00 7 01:06 1 2 12.00 2 4 24.00 3 6 36.00 8 02:20 2 4 24.00 2 2 22.00 4 6 46.00 9 04:51 0 0 0.00 2 2 22.00 2 2 22.00 10 00:14 0 0 0.00 2 4 24.00 2 4 24.00 11 - 12 04:45 5 15 65.00 1 3 13.00 6 18 78.00 13 - 14 - 15 - 16 - 17 - 18 00:48 4 22 62.00 1 1 11.00 5 23 73.00 19 02:35 3 13 43.00 2 2 22.00 5 15 65.00 20 01:35 3 9 39.00 1 2 12.00 4 11 51.00 21 03:02 3 11 41.00 3 5 35.00 6 16 76.00 22 00:52 4 18 58.00 1 1 11.00 5 19 69.00 23 - 24 01:24 4 28 68.00 1 2 12.00 5 30 80.00 25 00:37 4 22 62.00 1 2 12.00 5 24 74.00 26 00:39 3 19 49.00 1 1 11.00 4 20 60.00 27 - 28 01:58 4 27 67.00 1 2 12.00 5 29 79.00 29 - 30 - 31 - Monthly Mean 46.63 21.00 67.63 --------------------------------------------------------------------