Weekly Information about Bright Comets (2024 June 29: North)

Japanese version Home page	Updated on June 29, 2024
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Northern Hemisphere. Azimuth indicates 0 for south, 90 for west, 180 for north, 270 for east.

13P/Olbers It returned for the first time in 68 years. Now it is 6.7 mag (June 25, Virgilio Gonano). It will fade out rapidly after this. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it is not observable now, but it will appear in August. It is brighter than this ephemeris recently. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 8 22.92 42 23.2 1.942 1.176 29 7.2 21:04 (134, 12) July 6 9 0.92 42 9.4 1.917 1.179 31 7.3 21:02 (132, 14) 12P/Pons-Brooks It returns for the first time in 70 years. It brightened up to 3.7 mag in early April (Apr. 6, Jose Guilherme Aguiar). Now it is 7.4 mag (June 26, Chris Wyatt). Fading rapidly. In the Northern Hemisphere, it is not observable now. It locates somewhat low in the Southern Hemisphere. But it will become high in winter. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 7 45.33 -35 4.8 1.634 1.443 60 8.2 21:04 ( 70,-39) July 6 8 18.39 -38 10.7 1.691 1.536 63 8.7 21:02 ( 66,-39) C/2023 A3 ( Tsuchinshan-ATLAS ) It will approach to Sun down to 0.4 a.u. in late September, and it is expected to brighten up to 2 mag. The brightness evolution slowed down since May. Now it is 9.8 mag (June 26, Chris Wyatt). It will brighten rapidly after this. It will be unobservable soon in the Northern Hemisphere, or in August in the Southern Hemisphere. But it will be observable again in September in the Southern Hemisphere, or in October in the Northern Hemisphere. At the high light, in the Northern Hemisphere, it will be observable in good condition after the perihelion passage. In the Southern Hemisphere, it will be observable in the low sky before and after the perihelion passage. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 11 18.33 2 50.3 1.960 1.907 71 9.6 21:04 ( 77, 22) July 6 11 11.53 2 32.6 1.996 1.796 63 9.4 21:02 ( 82, 16) 46P/Wirtanen The condition is bad in this apparition. It brightens up to 10 mag in early summer, however, it is not observable at all. It will fade out rapidly after this. It will be fainter than 18 mag in October. It will never be observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 7 32.10 25 59.5 2.150 1.188 13 11.0 21:04 (129, -7) July 6 8 1.49 25 22.9 2.194 1.232 14 11.4 21:02 (127, -7) C/2023 V4 ( Camarasa-Duszanowicz ) It brightened very rapidly. Now it is 10.8 mag (June 25, Virgilio Gonano). It will fade out rapidly after this. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it is not observable now, but it will appear in August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 8 14.31 59 17.8 1.802 1.219 40 11.2 21:04 (149, 21) July 6 9 15.24 58 46.2 1.799 1.267 43 11.5 21:02 (146, 24) 154P/Brewington Now it is 12.0 mag (June 13, Ken-ichi Kadota). It will fade out rapidly after this. It locates somewhat low in the Northern Hemisphere. But it will become high in autumn. It stays extremely low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 52.38 30 40.0 2.263 1.563 36 11.5 3:02 (242, 13) July 6 4 15.99 32 17.6 2.251 1.574 37 11.6 3:07 (241, 16) C/2023 R2 ( PanSTARRS ) It brightens up to 11 mag in August. It brightens up to 11.5 mag, but it will turn to fade out rapidly after that. Now it is not observable. It will appear in September in the Northern Hemisphere. In the Southern Hemisphere, it will never be observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 6 50.56 6 23.3 2.124 1.193 17 12.9 21:04 (122,-28) July 6 7 18.47 6 31.0 2.054 1.119 16 12.6 21:02 (121,-27) C/2022 E2 ( ATLAS ) Now it is 12.8 mag (May 31, Hiroshi Abe). It stays 12 mag for a while. Now it is not observable. It will appear soon in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 7 5.60 36 38.9 4.703 3.731 15 12.7 21:04 (140, -3) July 6 7 9.03 37 13.1 4.695 3.720 14 12.7 21:02 (144, -6) C/2021 S3 ( PanSTARRS ) It brightened up to 9.6 mag from February to March (Feb. 25, Thomas Lehmann). Now it is 12.3 mag (June 19, Osamu Miyazaki). Fading gradually. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it is not observable now, but it will appear in September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 20 15.75 62 18.0 2.043 2.313 92 12.7 1:47 (180, 63) July 6 20 6.56 62 45.1 2.097 2.387 93 12.9 1:10 (180, 62) 479P/2023 WM26 ( Elenin ) First return of a new periodic comet which was discovered in 2011, half a year after the perihelion passage. It brightened very rapidly. Now it is 12.6 mag (June 11, Thomas Lehmann). Fading rapidly. It will be fainter than 18 mag in September. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 51.38 -28 59.2 0.795 1.443 104 13.0 21:04 ( 36, 15) July 6 13 22.15 -29 13.7 0.856 1.491 105 13.5 21:02 ( 35, 16) C/2023 C2 ( ATLAS ) Now it is 13.5 mag (June 11, Thomas Lehmann). It stays 13 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in August. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 15 23.95 -70 55.5 2.118 2.829 125 13.1 21:04 ( 1,-16) July 6 15 24.40 -68 43.1 2.093 2.789 123 13.1 21:02 ( 3,-14) C/2021 G2 ( ATLAS ) Now it is 13.9 mag (June 6, Thomas Lehmann). It stays 14 mag for a while. It will be unobservable in August in the Northern Hemisphere, or in October in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 7.78 -22 19.8 4.849 5.013 93 13.9 21:04 ( 49, 14) July 6 12 12.10 -21 38.7 4.944 5.008 87 14.0 21:02 ( 53, 12) C/2020 V2 ( ZTF ) It was observed at 9-10 mag for a long time in 2023. Now it is 13.4 mag (June 14, Thomas Lehmann). Fading slowly. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 0 37.81 -56 4.5 4.473 4.889 108 14.1 3:02 (336, -9) July 6 0 34.69 -58 2.1 4.466 4.946 112 14.2 3:07 (341, -8) 29P/Schwassmann-Wachmann 1 In the Northern Hemisphere, it is not observable now, but it will appear in September. In the Southern Hemisphere, it will be unobservable soon. But it will be observable again in September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 8 42.64 18 6.2 7.063 6.213 30 14.2 21:04 (112, 0) July 6 8 47.54 17 43.4 7.117 6.214 25 14.2 21:02 (115, -4) 130P/McNaught-Hughes Now it is 14.2 mag (June 18, Hiroshi Abe). Fading slowly. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 1 30.57 3 1.8 1.920 1.933 75 14.6 3:02 (286, 26) July 6 1 42.37 4 2.1 1.874 1.953 78 14.7 3:07 (288, 31) 192P/Shoemaker-Levy 1 Now it is 16.7 mag (June 7, Taras Prystavski). Fading gradually. In the Northern Hemisphere, it will be getting higher gradually. It stays extremely low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 46.98 13 37.2 2.158 1.530 40 14.9 3:02 (257, 5) July 6 4 5.20 15 47.6 2.157 1.557 41 14.8 3:07 (257, 9) 37P/Forbes It will brighten up to 14 mag from summer to autumn. Now it is 15.8 mag (June 8, A. Pearce). Brightening slowly. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 44.72 -17 35.4 1.447 1.902 99 15.0 21:04 ( 45, 24) July 6 12 53.41 -17 53.7 1.481 1.869 95 14.8 21:02 ( 48, 21) C/2022 L2 ( ATLAS ) Now it is 14.1 mag (June 3, Thomas Lehmann). It stays 15 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in October. In the Southern Hemisphere, it will be getting lower gradually. But it will be getting higher again after August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 9 44.09 -22 49.9 3.192 2.921 65 14.8 21:04 ( 70,-11) July 6 9 43.74 -22 32.4 3.322 2.950 60 15.0 21:02 ( 73,-16) 32P/Comas Sola Now it is 14.7 mag (May 31, Hiroshi Abe). Fading slowly. It will be unobservable soon. But it will be observable again in October in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 8 36.28 25 52.4 2.958 2.118 28 14.9 21:04 (119, 4) July 6 8 53.34 24 47.8 3.007 2.136 25 15.0 21:02 (119, 1) 146P/Shoemaker-LINEAR It will brighten up to 14.5 mag in summer. Now it is 15.8 mag (June 19, ATLAS-HKO, Haleakala). Fading slowly. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 2 16.26 -9 38.2 1.469 1.484 70 15.1 3:02 (289, 9) July 6 2 36.55 -7 18.2 1.427 1.463 71 14.9 3:07 (289, 13) C/2022 S4 ( Lemmon ) Now it is 16.5 mag (June 20, Thomas Lehmann). It stays 15 mag for a while. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it stays observable in good condition. The brightness evolution is slower than originally expected. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 0.48 -48 27.0 2.861 2.769 74 15.0 3:02 (307,-39) July 6 5 21.98 -50 48.5 2.816 2.765 76 15.0 3:07 (311,-38) P/2024 FG9 ( Nanshan-Hahn ) Alan Hale reported its cometary appearance. Now it is 14.7 mag (June 12, Ken-ichi Kadota). Fading gradually. It will be fainter than 18 mag in October. It will be unobservable soon in the Northern Hemisphere, or in September in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 9 21.58 14 7.9 2.268 1.642 40 15.1 21:04 (103, 5) July 6 9 41.21 12 33.1 2.315 1.659 39 15.2 21:02 (103, 3) C/2017 K2 ( PanSTARRS ) It brightened up to 8 mag from 2022 summer to 2023 spring. Now it is 14.5 mag (Apr. 27, Hiroshi Abe). It stays 15 mag for a while. Now it is not observable. It will be observable soon. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 56.73 15 29.2 7.147 6.153 11 15.1 3:02 (235,-18) July 6 6 0.57 15 45.0 7.183 6.211 15 15.2 3:07 (239,-13) C/2022 N2 ( PanSTARRS ) It is expected to brighten up to 13 mag in 2025 autumn, and it will be observable in good condition. Now it is 16.1 mag (June 18, ATLAS Chile). It stays 15 mag for a while. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 23 3.48 -4 20.5 4.652 5.122 112 15.4 3:02 (326, 45) July 6 23 4.25 -4 8.5 4.519 5.084 118 15.3 3:07 (337, 48) 299P/Catalina-PanSTARRS It brightened very rapidly in outburst in late May. Now it is 15.3 mag (June 12, Ken-ichi Kadota). Fading slowly. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 15 24.03 -24 39.0 2.349 3.171 137 15.4 21:04 ( 3, 30) July 6 15 23.72 -24 9.0 2.420 3.175 130 15.5 21:02 ( 10, 30) C/2019 L3 ( ATLAS ) It brightened up to 8.3 mag in 2021-2022 winter (Jan. 6, 2022, Toshiyuki Takahashi). Now it is 16.9 mag (June 7, ATLAS Chile). It stays 16 mag for a while. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it will be getting lower gradually. But it will be getting higher again after September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 10 48.66 -47 1.3 8.111 8.189 90 15.4 21:04 ( 42,-14) July 6 10 52.20 -46 44.3 8.229 8.234 86 15.5 21:02 ( 44,-17) C/2022 QE78 ( ATLAS ) Now it is 15.9 mag (Mar. 26, ATLAS Chile). It stays 15 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in August. It locates somewhat low in the Southern Hemisphere. But it will become high in autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 42.85 2 41.2 7.255 6.338 23 15.5 3:02 (247,-25) July 6 5 48.24 2 53.8 7.207 6.313 26 15.5 3:07 (252,-20) P/2003 T12 ( SOHO ) It was observed at three apparitions in 2003, 2012 and 2016. It has not been observed yet in this apparition. It will fade out rapidly after this. It will be fainter than 18 mag soon. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it will be unobservable soon. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 4 37.09 19 47.6 1.291 0.601 26 15.5 3:02 (245, -1) July 6 5 24.19 19 46.5 1.384 0.595 22 15.6 3:07 (242, -4) C/2019 U5 ( PanSTARRS ) Now it is 14.9 mag (June 5, Thomas Lehmann). It stays 16 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in September. It locates somewhat low in the Southern Hemisphere. But it will become high in summer. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 7 33.34 -31 57.6 5.858 5.374 57 15.6 21:04 ( 76,-41) July 6 7 35.99 -32 5.2 5.928 5.416 55 15.7 21:02 ( 78,-46) C/2014 UN271 ( Bernardinelli-Bernstein ) Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 15.3 mag (June 19, Thomas Lehmann). It stays 16 mag for a while. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it stays observable in good condition. In the Northern Hemisphere, it is not observable until 2030. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 57.49 -62 33.1 16.171 16.223 91 15.6 3:02 (327,-33) July 6 4 1.16 -62 52.7 16.120 16.199 92 15.6 3:07 (328,-30) 144P/Kushida It brightened up to 8.9 mag from January to March (Feb. 13, Chris Wyatt). Now it is 15.1 mag (June 5, Ken-ichi Kadota). Fading rapidly. It will be fainter than 18 mag in August. It stays extremely low in the Northern Hemisphere. In the Southern Hemisphere, it will be getting lower gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 10 41.51 5 4.3 2.444 2.173 62 15.7 21:04 ( 84, 16) July 6 10 54.77 3 52.1 2.560 2.223 59 16.1 21:02 ( 85, 13) 30P/Reinmuth 1 Now it is 16.3 mag (Mar. 29, Ken-ichi Kadota). It stays 16 mag for a while. Now it is not observable. It will appear in September in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 6 47.39 21 41.0 2.880 1.867 3 15.8 21:04 (133,-17) July 6 7 6.66 21 32.5 2.869 1.853 1 15.8 21:02 (134,-18) C/2019 T4 ( ATLAS ) It brightened up to 11.1 mag in early 2022 (Mar. 31, 2022, F. Kugel, J.-G. Bosch, J. Nicolas). Now it is 15.4 mag (June 10, Masayoshi Yoshimi). It stays 17 mag for a while. In the Northern Hemisphere, it stays observable in good condition. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 17 23.10 33 7.6 6.677 7.257 121 16.2 22:51 ( 0, 88) July 6 17 20.48 32 59.2 6.745 7.298 119 16.3 22:21 ( 0, 88) C/2023 F3 ( ATLAS ) Now it is 16.5 mag (June 6, Giuseppe Pappa). It stays 16 mag for a while. In the Northern Hemisphere, it will be unobservable soon. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 13 50.23 -46 58.9 4.868 5.446 119 16.3 21:04 ( 18, 5) July 6 13 43.08 -45 55.0 4.949 5.430 113 16.3 21:02 ( 23, 3) 89P/Russell 2 Now it is 16.7 mag (June 9, A. Pearce). Fading slowly. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 23 46.09 -18 5.6 1.812 2.326 107 16.5 3:02 (323, 28) July 6 23 51.12 -18 2.9 1.755 2.341 112 16.5 3:07 (330, 31) C/2020 K1 ( PanSTARRS ) It brightened up to 12.1 mag in 2023 spring (May 20, 2023, Jose Guilherme de S. Aguiar). Now it is 15.4 mag (May 30, Thomas Lehmann). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in September. In the Southern Hemisphere, it will be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 6 12.36 -36 23.1 5.385 4.952 59 16.5 3:02 (287,-50) July 6 6 18.54 -35 59.9 5.437 4.999 59 16.6 3:07 (288,-45) C/2019 E3 ( ATLAS ) Very far object. Now it is 17.1 mag (Apr. 2, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 1.41 -63 59.4 10.223 10.384 96 16.7 3:02 (330,-28) July 6 3 2.59 -64 21.0 10.191 10.388 98 16.7 3:07 (332,-25) C/2022 R6 ( PanSTARRS ) Now it is 17.0 mag (May 6, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in August. In the Southern Hemisphere, it will be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 6 3.65 -24 1.7 7.793 7.149 47 16.8 3:02 (271,-44) July 6 6 9.22 -23 56.1 7.767 7.131 48 16.7 3:07 (274,-39) 65P/Gunn Now it is 16.5 mag (June 19, ATLAS-HKO, Haleakala). It stays 17 mag for a while. It will be getting lower gradually after this, and it will be unobservable in September in the Northern Hemisphere, or in October in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 39.13 2 1.2 3.198 3.369 90 16.8 21:04 ( 61, 37) July 6 12 42.82 1 16.4 3.281 3.354 85 16.8 21:02 ( 65, 33) C/2021 X1 ( Maury-Attard ) It brightened up to 14 mag in early 2023 and 2023 autumn. Now it is 17.3 mag (June 19, Hirohisa Sato). Fading slowly. It will be fainter than 18 mag in October. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 22 16.72 21 51.2 4.450 4.879 109 16.9 3:02 (319, 74) July 6 22 9.02 22 18.6 4.395 4.924 115 16.9 3:07 (353, 77) C/2024 G3 ( ATLAS ) It approaches to Sun down to 0.09 a.u. on Jan. 13, 2025. According to the calculation, it will brighten up to -1 mag. But probably, it will be disintegrated. At the high light, it may be observable after the perihelion passage only in the Southern Hemisphere. Now it is 17.2 mag (June 13, ATLAS South Africa). Brightening gradually. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 13 0.54 -71 58.0 3.116 3.652 114 17.1 21:04 ( 12,-20) July 6 12 54.23 -69 40.0 3.076 3.564 110 17.0 21:02 ( 16,-20) 362P/(457175) 2008 GO98 Now it is 16.4 mag (May 4, Toshiyuki Takahashi). It stays 17 mag for a while. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 15 0.59 -1 0.8 2.172 2.868 124 17.0 21:04 ( 15, 53) July 6 15 1.47 -1 14.1 2.245 2.867 118 17.0 21:02 ( 24, 51) C/2023 Q1 ( PanSTARRS ) Brightening slowly. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it will be unobservable in September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 2.59 35 46.0 3.660 3.055 46 17.2 3:02 (242, 25) July 6 3 14.17 37 29.6 3.559 3.017 50 17.1 3:07 (243, 29) C/2022 U1 ( Leonard ) Now it is 17.4 mag (June 10, ATLAS-HKO, Haleakala). It stays 18 mag for a while. In the Northern Hemisphere, it stays observable in good condition. It stays extremely low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 21 55.80 48 44.3 4.068 4.277 94 17.4 3:02 (197, 75) July 6 21 42.48 49 5.6 3.998 4.288 99 17.3 2:47 (180, 76) 227P/Catalina-LINEAR It brightened up to 14.5 mag from February to March (Mar. 11, W. Pei). Now it is 16.9 mag (June 15, ATLAS-HKO, Haleakala). It will fade out rapidly after this. It will be fainter than 18 mag soon. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 11 29.82 5 27.7 1.971 1.944 73 17.4 21:04 ( 77, 26) July 6 11 43.51 3 33.2 2.067 1.979 70 17.7 21:02 ( 77, 23) 328P/LONEOS-Tucker Now it is 18.9 mag (June 12, Taras Prystavski). It stays 17 mag for a while. In the Northern Hemisphere, it stays observable in good condition. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 1 37.03 15 14.9 1.993 1.893 69 17.6 3:02 (273, 32) July 6 1 50.71 17 39.7 1.928 1.885 72 17.4 3:07 (274, 37) C/2022 T1 ( Lemmon ) Now it is 17.8 mag (June 10, Mt. Lemmon Survey). Fading slowly. It will be fainter than 18 mag in August. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 14 7.14 -16 42.4 3.068 3.655 117 17.5 21:04 ( 26, 34) July 6 14 10.50 -16 15.4 3.176 3.677 111 17.6 21:02 ( 32, 32) 125P/Spacewatch Now it is 16.5 mag (June 13, ATLAS-MLO, Mauna Loa). It will fade out rapidly after this. It will be fainter than 18 mag soon. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 21 53.05 -3 40.1 1.072 1.875 127 17.7 3:02 (351, 51) July 6 21 52.42 -4 15.8 1.055 1.912 134 17.8 2:56 ( 0, 51) C/2023 R1 ( PanSTARRS ) Now it is 17.9 mag (June 8, ATLAS-HKO, Haleakala). It stays 17 mag for a while. In the Northern Hemisphere, it stays observable in good condition. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 0 19.02 30 10.5 6.671 6.593 81 17.8 3:02 (265, 55) July 6 0 16.89 30 37.0 6.514 6.548 87 17.7 3:07 (269, 62) C/2024 J3 ( ATLAS ) Now it is 17.1 mag (June 13, ATLAS South Africa). It stays 18 mag for a while. It stays extremely low in the Northern Hemisphere. But it will become high in spring. In the Southern Hemisphere, it stays observable in good condition. It is expected to brighten up to 13 mag in 2026, and it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it locates very low at the high light. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 19 1.50 -42 38.7 7.052 8.013 159 17.8 0:34 ( 0, 12) July 6 18 56.59 -42 25.8 7.005 7.969 160 17.7 0:02 ( 0, 13) 62P/Tsuchinshan 1 It brightened up to 7.4 mag from December to January (Dec. 24, Osamu Miyazaki). Now it is 16.3 mag (May 29, Ken-ichi Kadota). Fading rapidly. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 49.34 -2 14.3 2.038 2.353 94 17.8 21:04 ( 55, 36) July 6 12 57.18 -3 20.2 2.172 2.404 90 18.2 21:02 ( 58, 32) C/2023 Q2 ( PanSTARRS ) Now it is 18.9 mag (June 15, Roland Fichtl). Fading slowly. It will be fainter than 18 mag soon. In the Northern Hemisphere, it will be getting lower gradually. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 18 12.19 -13 22.4 2.206 3.210 169 17.8 23:39 ( 0, 41) July 6 17 57.37 -15 51.8 2.224 3.211 163 17.8 22:57 ( 0, 39) 2020 TS2 It will approach to Sun down to 0.12 a.u. on Aug. 4. It will brighten up to 11 mag, but it is not observable at the high light. It brightens up to 12 mag, but it will turn to fade out rapidly after that. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it will be unobservable in August. But it will be observable again in August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 25.53 13 28.1 1.951 1.039 18 21.1 3:02 (242,-14) July 6 5 52.10 14 37.3 1.803 0.896 18 20.3 3:07 (242,-13)