Weekly Information about Bright Comets (2022 Aug. 27: North)

Japanese version Home page	Updated on August 28, 2022
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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.

C/2017 K2 ( PanSTARRS ) Now it is bright as 8.5 mag (Aug. 20, Carlos Labordena). It is observable at 7.5-8 mag for a long time from 2022 to 2023. In the Northern Hemisphere, it will be unobservable in mid September. Then it is not observable at the high light until 2023 summer. In the Southern Hemisphere, it stays observable for a long time. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 16 0.17 -21 0.6 2.089 2.302 88 8.3 20:02 ( 37, 24) Sept. 3 15 56.89 -23 31.0 2.160 2.250 81 8.3 19:51 ( 40, 20) C/2021 P4 ( ATLAS ) It brightened up to 10.4 mag from June to July (July 22, Ken-ichi Kadota). Now it is not observable. In the Souther Hemisphere, it will appear in the morning sky at 12 mag in October. It will never be observable again in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 11 1.30 -7 45.1 2.063 1.172 20 10.2 20:02 ( 95,-22) Sept. 3 11 16.56 -13 3.3 2.094 1.220 22 10.4 19:51 ( 90,-25) 73P/Schwassmann-Wachmann 3 Now it is 12.2 mag (Aug. 20, Chris Wyatt). It brightens up to 11-12 mag from summer to autumn. It stays observable in good condition in the Southern Hemisphere. In the Northern Hemisphere, it becomes extremely low from August to September. Michael Jager detected several fragments at 17.5-19 mag. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 13 46.17 -14 59.5 1.039 0.973 56 11.4 20:02 ( 65, 7) Sept. 3 14 15.77 -19 26.0 1.007 0.980 58 11.4 19:51 ( 60, 7) C/2021 E3 ( ZTF ) It brightened up to 9.3 mag in early summer (June 5, Chris Wyatt). Now it is fading. It has already faded down to 12.8 mag (Aug. 20, Chris Wyatt). In the Southen Hemisphere, it stays observable in good condition for a long time, although it becomes temporarily low in August. In the Northern Hemisphere, it is not observable until November when it fades down to 13 mag. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 9 58.03 -40 5.9 2.509 2.025 50 11.6 3:59 (296,-39) Sept. 3 10 2.22 -39 33.5 2.595 2.068 48 11.8 4:06 (298,-34) C/2019 L3 ( ATLAS ) It brightened up to 8.3 mag in winter (Jan. 6, Toshiyuki Takahashi). Now it is fading. Now it is not observable. It will appear in the morning sky again in September in the Southern Hemisphere, or in October in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 9 1.90 -4 30.3 5.008 4.112 24 11.7 3:59 (268,-11) Sept. 3 9 8.43 -5 49.5 5.006 4.143 28 11.8 4:06 (273, -7) C/2022 E3 ( ZTF ) Now it is bright as 12.3 mag (Aug. 21, Osamu Miyazaki). It will approach to Earth down to 0.29 a.u. in 2023 February, and it is expected to brighten up to 5 mag. In the Northern Hemisphere, it stays observable in excellent condition. In the Southern Hemisphere, it becomes unobservable from late September to early February. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 16 34.17 33 28.2 2.167 2.343 87 12.4 20:02 ( 94, 67) Sept. 3 16 22.92 32 21.6 2.191 2.262 80 12.2 19:51 ( 95, 61) 41P/Tuttle-Giacobini-Kresak The condition is worst in this apparition. It is not observable at all. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 11 22.66 7 35.3 2.017 1.077 15 12.6 20:02 (105, -8) Sept. 3 11 50.24 5 8.1 1.993 1.060 15 12.3 19:51 (101, -7) C/2019 T4 ( ATLAS ) Now it is bright as 12.5 mag (Aug. 18, Ken-ichi Kadota). It stays 12 mag for a while. It becomes unobservable from August to November in the Northern Hemisphere, or from September to December in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 12 53.25 -2 57.9 5.017 4.293 40 12.4 20:02 ( 83, 4) Sept. 3 13 0.40 -2 56.6 5.090 4.302 34 12.4 19:51 ( 85, 2) C/2020 V2 ( ZTF ) Now it is 12.6 mag (Aug. 18, Ken-ichi Kadota). It is expected to brighten up to 10 mag in 2023. In the Northern Hemisphere, it stays observable in good condition until 2023 autumn, although it becomes very low temporarily in summer. In the Southern Hemipshere, it stays unobservable until 2023 summer. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 10 19.85 52 37.6 4.250 3.569 42 12.7 3:59 (212, 12) Sept. 3 10 24.74 52 41.9 4.152 3.514 45 12.5 4:06 (215, 15) C/2020 R7 ( ATLAS ) Now it is 14.0 mag (Aug. 20, Chris Wyatt). It will brighten up to 12.5 mag in summer. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemisphere, it locates extremely low for a while. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 16 47.42 -40 56.5 2.589 2.963 101 12.8 20:02 ( 18, 11) Sept. 3 16 43.85 -38 4.1 2.709 2.959 94 12.9 19:51 ( 23, 12) 81P/Wild 2 Now it is not observable. It will appear in the morning sky in September in the Northern Hemisphere, or in November in the Southern Hemisphere. It will brighten up to 11.5 mag in winter Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 8 51.77 16 55.8 2.814 1.922 22 13.3 3:59 (252, 3) Sept. 3 9 9.39 15 48.1 2.752 1.888 25 13.1 4:06 (255, 6) 22P/Kopff Now it is 13.6 mag (Aug. 10, Osamu Miyazaki). It stays observable in good condition after this. But it will be fading gradually after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 1 41.21 3 29.4 1.416 2.191 128 13.2 3:22 ( 0, 59) Sept. 3 1 39.22 2 55.8 1.397 2.233 135 13.4 2:53 ( 0, 58) C/2020 K1 ( PanSTARRS ) Now it is 13.3 mag (Aug. 3, Michael Jager). It is expected to brighten up to 11 mag in 2023. In the Northern Hemisphere, it stays observable in good condition until November. But it becomes unobservable after that. In the Southern Hemisphere, it stays observable in good condition for a long time, although it becomes unobservable temporarily from November to January. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 17 18.90 0 56.1 3.559 3.927 103 13.3 20:02 ( 28, 53) Sept. 3 17 16.71 -0 57.3 3.624 3.888 97 13.3 19:51 ( 33, 49) C/2019 U5 ( PanSTARRS ) Now it is 13.5 mag (Aug. 18, Hiroshi Abe). It is expected to brighten up to 12 mag in 2023. In the Northern Hemisphere, it stays observable in good condition for a long time, although it becomes unobservable temporarily in October. In the Southern Hemisphere, it locates extremely low in 2022, but it will be observable in good condition in 2023. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 13 25.01 23 5.3 4.745 4.102 45 13.6 20:02 (101, 25) Sept. 3 13 25.74 21 36.2 4.785 4.074 40 13.6 19:51 (102, 21) 117P/Helin-Roman-Alu 1 Now it is 13.8 mag (Aug. 16, Thomas Lehmann). It stays observable at 13-14 mag for a while. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 18 25.57 -32 12.7 2.396 3.050 121 13.6 20:04 ( 0, 23) Sept. 3 18 27.53 -32 3.2 2.481 3.053 115 13.7 19:51 ( 3, 23) C/2022 P1 ( NEOWISE ) Bright new comet. Now it is very bright as 13.3 mag (Aug. 25, Katsumi Yoshimoto). It stays 12-13 mag until November. In the Southern Hemisphere, it stays observable in good condition for a while. In the Northern Hemisphere, it becomes low rapidly. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 2 36.96 4 55.6 1.348 1.993 114 14.1 3:59 (351, 60) Sept. 3 2 19.51 -0 13.9 1.165 1.942 126 13.7 3:33 ( 0, 55) 29P/Schwassmann-Wachmann 1 Now it is 14.9 mag (Aug. 18. ATLAS-HKO, Haleakala). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 36.41 29 1.9 6.530 6.018 55 13.9 3:59 (257, 36) Sept. 3 6 40.82 29 0.1 6.438 6.020 61 13.9 4:06 (260, 42) 116P/Wild 4 Now it is 13.8 mag (Aug. 20, Chris Wyatt). It is already unobservable in the Northern Hemisphere. It will be unobservable in late September also in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 12 44.09 -5 8.5 2.912 2.216 38 14.5 20:02 ( 83, 1) Sept. 3 12 57.53 -6 39.9 2.964 2.223 35 14.5 19:51 ( 82, 0) 9P/Tempel 1 Now it is 14.2 mag (Aug. 17, Thomas Lehmann). Now it is fading. It stays 13-14 mag for a while. It is observable in excellent condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 22 44.44 -28 24.9 1.241 2.221 161 14.5 0:26 ( 0, 27) Sept. 3 22 37.27 -28 42.9 1.291 2.261 158 14.7 23:47 ( 0, 26) 118P/Shoemaker-Levy 4 Now it is 16.8 mag (Aug. 16, ATLAS-MLO, Mauna Loa). It is expected to brighten very rapidly up to 11-12 mag in winter, and it will be observable in excellent condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 5 40.26 13 55.3 2.109 1.978 68 14.9 3:59 (282, 40) Sept. 3 5 55.89 13 46.5 2.028 1.957 71 14.5 4:06 (286, 44) C/2021 Y1 ( ATLAS ) Now it is 16.4 mag (Aug. 7, Ken-ichi Kadota). It is expected to brighten up to 12 mag from winter to summer in 2023. In the Northern Hemisphere, it stays observable in good condition until 2023 spring. It will be observable in good condition after August also in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 5 4.00 36 14.7 3.578 3.464 75 15.2 3:59 (255, 57) Sept. 3 5 8.44 35 36.1 3.412 3.405 81 15.0 4:06 (259, 62) C/2020 Y2 ( ATLAS ) Now it is 14.5 mag (June 19, ATLAS South Africa). It was expected to brighten up to 13 mag in spring. But actually, it is fainter than originally expected. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 46.97 -42 24.2 3.373 3.206 71 15.1 3:59 (317, -9) Sept. 3 6 44.57 -43 30.6 3.333 3.221 74 15.1 4:06 (322, -5) 255P/Levy It has not been observed yet in this apparition. It will brighten very rapidly, and it is expected to brighten up to 15 mag in September. It is not observable in the Southern Hemisphere. It locates extremely low even in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 8 16.09 21 27.8 1.539 0.868 32 15.5 3:59 (253, 13) Sept. 3 8 51.33 17 50.1 1.563 0.852 29 15.2 4:06 (256, 11) C/2021 F1 ( Lemmon-PanSTARRS ) It brightened up to 9.3 mag from spring to early summer (Mar. 24, Michael Jager). It stayed bright for a while even after the perihelion passaage. But it is fading rapidly now. It has already faded down to 17.1 mag (Aug. 9, iTelescope Observatory, Siding Spring). In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it will never be observable again. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 5 10.77 -59 40.2 2.118 2.389 92 15.3 3:59 (339,-11) Sept. 3 5 20.36 -64 8.0 2.200 2.473 93 15.7 4:06 (344,-13) 285P/LINEAR Now it is very bright in outburst as 14.8 mag (Aug. 20, Chris Wyatt). It was extremely faint as 20.6 mag on July 29 (Takaaki Oribe). But it suddenly brightened by 5 mag. It stays observable in good condition for a while. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 18 23.40 10 11.9 1.544 2.200 117 15.4 20:02 ( 1, 65) Sept. 3 18 25.21 8 28.8 1.558 2.160 112 15.4 19:51 ( 9, 63) 45P/Honda-Mrkos-Pajdusakova It brightened up to 6.7 mag in early May (May 10, Mike Olason). It became brighter than originally predicted by 3 mag. Now it is fading rapidly. The condition is very bad in this apparition. It is not observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 11 38.83 5 29.9 2.920 1.998 19 15.4 20:02 (101, -6) Sept. 3 11 51.94 4 5.1 3.022 2.075 16 15.7 19:51 (100, -8) 327P/Van Ness Now it is 16.0 mag (Aug. 3, Michael Jager). It will brighten rapidly up to 15 mag in September, and it will be observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 1 36.74 8 44.6 0.718 1.557 127 15.6 3:17 ( 0, 64) Sept. 3 1 47.86 3 16.2 0.679 1.556 133 15.5 3:01 ( 0, 59) C/2018 U1 ( Lemmon ) Now it is 16.5 mag (Aug. 17, Thomas Lehmann). It stays at 15-16 mag for a long time. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemiphere, it is not observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 14 22.23 -48 50.9 5.583 5.484 79 15.6 20:02 ( 35,-10) Sept. 3 14 22.56 -48 52.2 5.705 5.506 73 15.7 19:51 ( 37,-12) C/2020 S4 ( PanSTARRS ) Appearing in the morning sky. It will brighten up to 14 mag in early 2023, and it will be observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 7 42.12 17 11.5 4.435 3.707 39 15.7 3:59 (261, 17) Sept. 3 7 51.56 17 6.7 4.344 3.681 43 15.6 4:06 (264, 22) C/2022 L1 ( Catalina ) Now it is 14.8 mag (Aug. 18, Michael Jager). It is observable at 15 mag in good condition from July to August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 15 54.66 15 40.7 1.475 1.651 80 15.7 20:02 ( 70, 51) Sept. 3 15 42.74 16 0.7 1.616 1.628 72 15.8 19:51 ( 76, 46) 119P/Parker-Hartley Now it is 15.3 mag (Aug. 15, Ken-ichi Kadota). It stays observable in good condition at 15 mag from summer to winter. It locates somwwhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 16.06 19 52.6 2.670 2.330 59 15.7 3:59 (270, 36) Sept. 3 6 28.96 19 53.2 2.603 2.333 63 15.7 4:06 (273, 40) P/2022 L3 ( ATLAS ) Now it is 16.0 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It will brighten up to 15 mag in autumn, and it will be observable in excellent condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 2 45.25 10 43.8 1.921 2.472 111 15.8 3:59 (344, 65) Sept. 3 2 48.59 11 54.4 1.833 2.459 116 15.7 4:02 ( 0, 67) C/2021 T2 ( Fuls ) It is expected to brighten up to 13-14 mag in July. But actually, it is not detected, fainter than 17 mag (July 10, Martin Masek). In the Southern Hemisphere, it stays observable in good condition after this. In the Northern Hemisphere, it is not observable at all. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 13 1.27 -32 34.6 2.048 1.727 57 15.9 20:02 ( 58,-11) Sept. 3 13 16.90 -30 21.8 2.224 1.796 52 16.3 19:51 ( 60,-10) 61P/Shajn-Schaldach Now it is 16.6 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It is expected to brighten up to 15 mag in autumn, and it will be observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 1 33.52 6 18.3 1.385 2.171 129 16.1 3:14 ( 0, 61) Sept. 3 1 36.25 5 59.2 1.322 2.161 135 16.0 2:49 ( 0, 61) C/2021 G2 ( ATLAS ) Now it is 16.8 mag (June 1, ATLAS South Africa). It will brighten up to 13 mag from 2024 to 2025. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 8 30.90 -25 59.0 8.102 7.423 45 16.4 3:59 (290,-17) Sept. 3 8 35.67 -26 29.4 8.042 7.387 46 16.3 4:06 (294,-12) C/2021 X1 ( Maury-Attard ) Now it is 16.4 mag (Aug. 9, Thomas Lehmann). It will brighten up to 14 mag in 2023. In the Southern Hemisphere, it stays observable in good condition for a long time. It locates somewhat low in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 42.50 -11 57.4 4.555 4.122 58 16.4 3:59 (294, 12) Sept. 3 6 42.41 -12 38.6 4.423 4.083 64 16.3 4:06 (300, 18) C/2020 F5 ( MASTER ) It brightened up to 14 mag in 2021. Now it is fading. It has already faded down to 16.4 mag (Aug. 19, ATLAS-HKO, Haleakala). It is observable at 16-17 mag in 2022. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 23 56.38 14 40.1 5.152 6.014 145 16.4 1:38 ( 0, 70) Sept. 3 23 52.31 14 55.2 5.141 6.051 152 16.4 1:06 ( 0, 70) 395P/2020 H1 ( Catalina-NEAT ) Now it is 16.2 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It continued brightening even after the perihelion passage. It stays observable at 16-17 mag in good condition for a while. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 23 18.96 -0 31.6 3.277 4.252 162 16.4 1:00 ( 0, 55) Sept. 3 23 15.75 -0 53.1 3.265 4.263 170 16.4 0:30 ( 0, 54) 246P/NEAT Now it is 15.8 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It brightened up to 14 mag from 2020 to 2021. Now it is fading slowly. It is observable at 16-17 mag in 2022. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 0 47.20 -17 21.5 3.027 3.890 143 16.5 2:28 ( 0, 38) Sept. 3 0 43.92 -17 58.2 3.003 3.908 149 16.5 1:57 ( 0, 37) 157P/Tritton Now it is 17.3 mag (Aug. 3, Michael Jager). It stays observable at 16 mag from summer to winter. In the Southern Hemisphere, it locates low until October. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 7 3.15 27 58.7 2.032 1.578 49 16.5 3:59 (255, 30) Sept. 3 7 25.50 26 47.5 1.993 1.574 51 16.5 4:06 (258, 32) 408P/2020 M7 ( Novichonok-Gerke ) Now it is 16.9 mag (Aug. 18, ATLAS-HKO, Haleakala). It will be observable at 16-17 mag in excellent condition from autumn to winter. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 4 20.93 8 36.3 3.348 3.473 88 16.6 3:59 (306, 52) Sept. 3 4 25.86 8 5.4 3.251 3.471 94 16.6 4:06 (316, 56) C/2019 T3 ( ATLAS ) Now it is 16.4 mag (Aug. 17, ATLAS-MLO, Mauna Loa). It stayed bright for a while even after the perihelion passage, but it will be fading after this. It will be fainter than 18 mag in winter. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 21 41.93 8 25.2 6.085 7.037 158 16.7 23:19 ( 0, 63) Sept. 3 21 37.33 7 26.3 6.123 7.063 156 16.7 22:47 ( 0, 62) 44P/Reinmuth 2 Now it is 17.1 mag (Aug. 15, ATLAS-HKO, Haleakala). It will be observable at 16.5 mag in good condition from summer to autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 3 25.82 25 45.6 1.954 2.318 97 16.7 3:59 (298, 73) Sept. 3 3 31.83 26 18.9 1.896 2.340 103 16.7 4:06 (313, 78) C/2021 T4 ( Lemmon ) Now it is 16.7 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It is expected to brighten up to 8 mag in 2023 July. In 2022, it stays observable in good condition while the comet will be brightening gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 3 30.92 5 3.5 4.027 4.342 101 16.9 3:59 (327, 56) Sept. 3 3 27.96 4 13.1 3.841 4.275 108 16.7 4:06 (343, 58) C/2020 H6 ( ATLAS ) Now it is 16.2 mag (Aug. 21, Thomas Lehmann). It stays observable at 16 mag from 2021 to 2022. It locates low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 15 30.22 40 24.8 5.563 5.367 73 16.7 20:02 (112, 55) Sept. 3 15 33.62 39 57.8 5.636 5.393 71 16.8 19:51 (112, 53) C/2019 F1 ( ATLAS-Africano ) It brightened up to 14.2 mag in 2021 summer (July 18, 2021, Taras Prystavski). Now it is fading. It has already faded down to 16.6 mag (July 26, ATLAS Chile). In the Southern Hemisphere, it stays observable in good condition for a long time. It locates somewhat low in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 2 17.35 -26 14.2 4.595 5.205 122 16.8 3:58 ( 0, 29) Sept. 3 2 14.55 -26 29.4 4.572 5.246 127 16.8 3:28 ( 0, 29) C/2021 S3 ( PanSTARRS ) Now it is 16.8 mag (Aug. 3, Martin Masek). It is expected to brighten up to 7 mag in early 2024. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it stays low in 2022. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 6.83 -22 41.4 6.479 6.214 70 17.0 3:59 (308, 11) Sept. 3 6 10.15 -23 30.6 6.348 6.154 74 16.9 4:06 (314, 15) C/2021 A1 ( Leonard ) It brightened up to 3 mag from mid December to late December. Now it is fading. It is observable in good condition in the Southern Hemisphere. It is getting observable again also in the Northern Hemisphere. No observations have been reported since June. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 15 57.99 -22 56.5 3.563 3.681 88 16.9 20:02 ( 36, 22) Sept. 3 15 59.06 -22 29.8 3.766 3.762 82 17.1 19:51 ( 40, 21) C/2019 O3 ( Palomar ) Now it is 16.7 mag (Aug. 16, ATLAS-HKO, Haleakala). Fading slowly. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it is not observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 17 17.56 66 57.2 9.364 9.348 85 17.0 20:02 (168, 57) Sept. 3 17 13.93 66 29.4 9.385 9.361 85 17.0 19:51 (164, 56) C/2020 U5 ( PanSTARRS ) Now it is 17.3 mag (Aug. 18, Michael Jager). It started fading before the perihelion passage. It was predicted to stay at 16 mag for a long time. But actually, it will be fainter than 18 mag in autumn. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it is not observable until 2023. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 17 17.23 67 23.4 3.847 3.906 85 17.3 20:02 (168, 56) Sept. 3 17 19.17 64 31.5 3.854 3.923 86 17.3 19:51 (163, 58) 152P/Helin-Lawrence Now it is 17.1 mag (Aug. 16, ATLAS South Africa). It will be fading gradually after this. It locates somewhat low in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 19 18.01 -28 24.3 2.542 3.319 133 17.3 20:56 ( 0, 27) Sept. 3 19 17.74 -28 28.3 2.630 3.332 126 17.4 20:28 ( 0, 27) 107P/(4015) Wilson-Harrington Now it is 16.9 mag (Aug. 3, Jean-Francois Soulier). In 2022, it stays observable at 17 mag for a long time. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 5 32.24 28 11.3 0.547 0.967 69 17.4 3:59 (266, 49) Sept. 3 6 2.66 27 51.6 0.588 0.975 69 17.4 4:06 (267, 49) C/2020 O2 ( Amaral ) Now it is 16.7 mag (Aug. 5, ATLAS-MLO, Mauna Loa). It was observed at 15 mag in 2021. Now it is fading. It stays observable at 16-17 mag for a while in 2022. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 17 44.73 30 5.4 5.308 5.612 102 17.4 20:02 ( 62, 80) Sept. 3 17 44.15 29 47.3 5.402 5.638 98 17.5 19:51 ( 70, 77) P/2021 N2 ( Fuls ) It brightened very rapidly up to 15.5 mag from last autumn to last winter (Nov. 2, 2021, Toshihiko Ikemura, Hirohisa Sato). Now it is fading. Appearing in the morning sky. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 16.13 15 41.4 4.564 4.149 59 17.5 3:59 (274, 34) Sept. 3 6 22.21 15 19.9 4.489 4.165 65 17.5 4:06 (279, 39) C/2020 U4 ( PanSTARRS ) Now it is 17.1 mag (Aug. 11, W. Hasubick). It stays observable at 17-18 mag in 2022. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 2 32.97 29 42.2 5.065 5.455 107 17.5 3:59 (328, 84) Sept. 3 2 26.51 29 35.7 4.957 5.465 115 17.5 3:40 ( 0, 85) 422P/2021 L1 ( Christensen ) It was observed at 17 mag in 2021. It is observable at 17-18 mag also in 2022. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 2 59.79 10 27.8 3.021 3.465 107 17.5 3:59 (336, 64) Sept. 3 2 59.29 11 11.1 2.945 3.486 114 17.5 4:06 (356, 66) C/2021 QM45 ( PanSTARRS ) Now it is 17.2 mag (Aug. 15, Ken-ichi Kadota). In the Northern Hemisphere, it stays observable at 17 mag in good condition for a long time until winter. In the Southern Hemisphere, it stays extremely low for a long time. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 6 4.25 43 29.0 3.060 2.777 64 17.6 3:59 (241, 46) Sept. 3 6 19.46 44 4.3 2.996 2.781 68 17.5 4:06 (241, 50) 100P/Hartley 1 Now it is 17.4 mag (July 8, J.-G. Bosch, J. Nicolas, F. Kugel). It is observable at 17 mag from spring to summer. In the Northern Hemisphere, it becomes low in summer. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 13 20.57 -11 39.3 2.524 2.021 49 17.7 20:02 ( 72, 5) Sept. 3 13 33.38 -13 51.5 2.581 2.025 46 17.8 19:51 ( 71, 2) 378P/2019 E2 ( McNaught ) Now it is 18.1 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It stays 18 mag for a long time even after the perihelion passage. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 2 35.11 -6 12.2 4.614 5.155 117 17.8 3:59 (354, 49) Sept. 3 2 34.61 -6 34.7 4.554 5.180 123 17.7 3:48 ( 0, 49) 442P/2022 G1 ( McNaught ) Now it is 18.2 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It stays observable at 18 mag in good condition from August to September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 23 54.26 -8 47.8 1.359 2.323 157 17.8 1:35 ( 0, 46) Sept. 3 23 51.17 -8 55.2 1.339 2.326 164 17.8 1:05 ( 0, 46) 99P/Kowal 1 Now it is 17.4 mag (Aug. 19, ATLAS-MLO, Mauna Loa). It will be unobservable in September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 13 41.47 -11 12.7 5.254 4.734 54 17.8 20:02 ( 69, 9) Sept. 3 13 47.03 -11 46.4 5.340 4.737 48 17.8 19:51 ( 71, 6) C/2020 F7 ( Lemmon ) It brightened up to 17 mag in early 2022. Now it is fading. It will be fainter than 18 mag in autumn. It is not observable in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 7 33.87 -49 39.5 5.997 5.734 70 17.9 3:59 (318,-19) Sept. 3 7 36.53 -51 2.3 5.991 5.753 71 17.9 4:06 (322,-16) 113P/Spitaler It brightened up to 18 mag in last winter. Appearing in the morning sky. It stays observable at 18 mag for a while. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 7 33.98 23 56.8 2.884 2.239 42 17.9 3:59 (256, 22) Sept. 3 7 48.41 23 16.4 2.845 2.255 45 17.9 4:06 (259, 26) C/2022 N1 ( Attard-Maury ) Now it is 17.3 mag (Aug. 18, Michael Jager). It will be fading rapidyly, and it will be fainter than 18 mag in late August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 15 22.01 -9 41.8 1.344 1.495 77 17.9 20:02 ( 53, 28) Sept. 3 15 10.62 -8 54.4 1.537 1.486 67 18.2 19:51 ( 59, 24) C/2019 E3 ( ATLAS ) Now it is 17.3 mag (June 27, ATLAS South Africa). Very far object. It stays 18 mag for a long time from 2021 to 2026. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable at all. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 8 10.87 -64 16.4 10.739 10.584 78 17.9 3:59 (330,-30) Sept. 3 8 13.68 -64 50.9 10.740 10.575 77 17.9 4:06 (332,-27) (3200) Phaethon It approached to Sun down to 0.14 a.u. on May 15. But it was not observable around that time. In the Northern Hemisphere, it stays observable at 17-18 mag in good condition from July to November. In the Southern Hemisphere, it stays extremely low. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 4 12.54 42 8.2 1.564 1.782 84 18.0 3:59 (244, 67) Sept. 3 4 10.59 43 9.1 1.518 1.841 91 17.9 4:06 (236, 73) C/2014 F3 ( Sheppard-Trujillo ) Now it is 20.0 mg (Aug. 4, J. Maikner). At the discovery, it was expected to be observable at 16-17 mag for a long time from 2020 to 2022. It had been lost for a long time since 2015, but the recent observations are found. Actually, it brigthens up to 20-21 mag at best. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Aug. 27 0 51.94 11 10.8 5.481 6.257 136 21.2 2:33 ( 0, 66) Sept. 3 0 50.31 11 8.1 5.429 6.273 143 21.1 2:04 ( 0, 66)