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Now it is very bright as 11.1 mag (June 16, Thomas Lehmann). It will brighten very rapidly, and it will brighten up to 10 mag from July to August. It stays observable in the morning sky for a long time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 2 21.73 10 17.9 1.097 1.024 57 11.3 3:01 (269, 17)
July 3 2 53.82 13 49.3 1.116 1.004 55 10.8 3:04 (266, 19)
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Now it is very bright as 10.3 mag (June 15, Goiato). It stays observable at 10-11 mag in good condition for a long time from spring to summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 13 46.72 12 19.7 1.558 2.063 104 11.0 21:04 ( 49, 58)
July 3 13 52.49 9 7.0 1.604 2.057 101 11.0 21:03 ( 52, 53)
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Now it is very bright as 9.7 mag (June 4, Michael Jager). It stays bright as 10-12 mag until August. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemisphere, it becomes extremely low after July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 23 3.63 -28 41.5 0.456 1.288 116 11.2 3:01 (335, 22)
July 3 23 23.87 -33 7.6 0.473 1.315 119 11.3 3:04 (339, 19)
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Now it is 13.3 mag (June 8, Ken-ichi Kadota). It will brighten up to 10 mag from summer to autumn, and it will be observable in excellent condition. Appearing in the morning sky.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 1 44.64 12 53.7 1.954 1.789 65 12.3 3:01 (272, 26)
July 3 2 2.90 14 7.7 1.878 1.761 67 12.0 3:04 (273, 30)
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Now it is 12.2 mag (June 17, Thomas Lehmann). It will brighten up to 10 mag in winter in 2022. In the Northern Hemisphere, it stays observable in good condition for a long time, although it becomes extremely low temporarily from May to June. In the Southern Hemisphere, it is not observable until November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 5 5.21 49 29.6 4.828 3.978 29 12.3 3:01 (216, 11)
July 3 5 18.38 49 12.5 4.781 3.951 31 12.3 3:04 (218, 13)
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Now it is 12.3 mag (June 10, Toshihiko Ikemura, Hirohisa Sato). It is expected to be observable at 5-6 mag for a long time from 2022 to 2023. In the Northern Hemisphere, it is not observable at the high light from 2022 summer to 2023 summer. In the Southern Hemisphere, it stays extremely low for a while. But it will be observable in good condition at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 17 37.83 42 55.5 5.554 6.025 113 12.5 23:18 (180, 82)
July 3 17 31.35 42 23.3 5.507 5.967 112 12.5 22:44 (180, 83)
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Now it is 16.1 mag (June 8, Ken-ichi Kadota). Brightening very rapidly. It will brighten up to 8.5 mag from September to October. But the condition is bad in this apparition. In the Northern Hemisphere, it is observable only in the extremely low sky until July. In the Southern Hemisphere, it will be observable after late August. But it stays locating low for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 5 5.71 40 38.7 2.261 1.385 23 13.0 3:01 (223, 5)
July 3 5 32.47 38 27.9 2.204 1.321 22 12.6 3:04 (225, 4)
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Now it is 11 mag (May 12, Giuseppe Pappa). In the Southern Hemisphere, it is locates high in the morning sky. Appearing in the morning sky also in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 2 48.32 6 21.1 2.109 1.709 53 13.0 3:01 (269, 10)
July 3 3 3.62 7 5.0 2.098 1.748 56 13.2 3:04 (270, 13)
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Now it is bright as 12.3 mag (June 15, Marco Goiato). It stays 13 mag until early summer. 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)
June 26 14 3.50 -14 51.8 2.799 3.416 119 13.4 21:04 ( 24, 37)
July 3 13 56.21 -12 57.1 2.937 3.429 110 13.6 21:03 ( 35, 35)
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Now it is 13.9 mag (May 13, Taras Prystavski). It stays 13-14 mag from 2020 to 2021. It will be observable in good condition after this 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)
June 26 19 16.05 -32 11.6 1.948 2.940 164 13.6 1:01 ( 0, 23)
July 3 19 10.67 -32 58.5 1.945 2.949 168 13.7 0:28 ( 0, 22)
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Appearing in the morning sky.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 4 8.11 28 51.0 6.752 5.891 29 13.9 3:01 (239, 7)
July 3 4 13.85 29 7.8 6.697 5.893 34 13.9 3:04 (242, 11)
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Now it is 14.3 mag (June 6, Chris Wyatt). It is expected to brighten up to 11.5 mag in 2022. It is observable in excellent condition in the Southern Hemisphere. In the Northern Hemisphere, it is not observable until November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 8 55.74 -23 23.7 5.539 5.112 60 14.0 21:04 ( 74,-18)
July 3 9 2.82 -23 1.0 5.571 5.081 56 13.9 21:03 ( 77,-22)
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Now it is 14.7 mag (June 15, Chris Wyatt). It was expected to brighten up to 13 mag from spring to summer. But actually, it is fainter than originally expected. It stays 14-15 mag until early autumn. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until July in 2022.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 23 25.39 -84 22.1 3.053 3.596 114 14.5 3:01 (356,-30)
July 3 23 48.32 -85 11.9 3.059 3.597 114 14.5 3:04 (357,-31)
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Now it is 14.9 mag (June 14, Michael Jager). It will brighten up to 14 mag in summer, and it will be observable in excellent condition. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 20 54.00 24 28.1 1.849 2.507 119 14.8 2:39 ( 0, 79)
July 3 20 29.18 27 21.0 1.761 2.477 124 14.6 1:47 ( 0, 82)
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Now it is 14.6 mag (June 9, Toshihiko Ikemura, Hirohisa Sato). It stays at 14-15 mag for a long time from 2021 to 2022. It stays observable in good condition after this while brightening gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 17 10.29 -4 39.2 4.153 5.092 155 14.7 22:51 ( 0, 50)
July 3 17 2.50 -5 37.4 4.182 5.082 149 14.7 22:15 ( 0, 49)
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Now it is 14.8 mag (June 13, Thomas Lehmann). It stays 14-15 mag until the end of 2021. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 23 43.71 -34 28.5 3.944 4.395 109 14.7 3:01 (330, 13)
July 3 23 42.90 -34 21.5 3.869 4.406 115 14.7 3:04 (336, 16)
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It will brighten up to 14.5 mag from spring to summer. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemisphere, it is not observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 6 11.50 -68 24.7 2.505 2.732 91 14.8 3:01 (336,-48)
July 3 7 0.83 -67 24.6 2.549 2.752 90 14.9 21:03 ( 25,-48)
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It brightened up to 8.9 mag in April (Apr. 12, Carlos Labordena). Now it is fading. It has already faded down to 14.0 mag (June 6, Chris Wyatt). It will be fading and getting lower rapidly after this. It will be unobservable at 17 mag in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 10 54.12 17 11.7 2.296 2.069 64 15.0 21:04 ( 92, 28)
July 3 10 54.75 16 13.6 2.508 2.152 58 15.5 21:03 ( 94, 22)
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Now it is 14.2 mag (June 10, Thomas Lehmann). It stays 15 mag until summer. In the Southern Hemisphere, it stays observable in good condition until June. In the Northern Hemisphere, it is observable in the low sky from March to May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 8 49.07 7 29.8 2.660 1.982 39 15.1 21:04 (101, -2)
July 3 9 2.41 9 22.0 2.719 1.974 34 15.1 21:03 (104, -4)
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Now it is 15.8 mag (June 20, Thomas Lehmann). It will brighten up to 9 mag, and will be observable in good condition in winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 0 20.30 -2 19.7 1.624 1.924 90 15.5 3:01 (301, 33)
July 3 0 34.04 -0 56.8 1.507 1.869 93 15.1 3:04 (304, 37)
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It brightened up to 11.6 mag in winter (Feb. 18, Thomas Lehmann). Now it is fading. It has already faded down to 15.3 mag (June 15, Thomas Lehmann). In the Southern Hemisphere, it stays observable in good condition after this. In the Northern Hemisphere, it will never be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 5 14.55 -52 44.3 3.115 3.058 77 15.2 3:01 (312,-44)
July 3 5 19.48 -53 8.9 3.162 3.123 78 15.3 3:04 (313,-40)
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Now it is 15.8 mag (June 16, Michael Jager). In the Northern Hemisphere, it stays observable at 15-16 mag for a long time from spring to early 2022. In the Southern Hemisphere, it is not observable until the end of 2021.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 12 36.75 67 34.4 3.245 3.053 70 15.3 21:04 (156, 50)
July 3 12 28.79 64 6.5 3.284 3.042 67 15.3 21:03 (149, 48)
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Now it is 15.3 mag (June 6, Chris Wyatt). It will brighten up to 13 mag in 2022. In 2021, it is observable at 14-15 mag in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 13 1.23 -1 41.5 3.192 3.520 100 15.4 21:04 ( 50, 40)
July 3 13 3.66 -2 15.5 3.275 3.505 94 15.4 21:03 ( 55, 36)
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Now it is 15.1 mag (June 8, Toshihiko Ikemura, Hirohisa Sato). It stays observable at 15-16 mag in good condition until autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 16 47.90 -19 57.2 3.927 4.887 158 15.6 22:29 ( 0, 35)
July 3 16 43.33 -18 46.9 3.970 4.882 150 15.6 21:57 ( 0, 36)
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Now it is 15.7 mag (June 9, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 13 mag in 2022. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it stays observable until June, but it will not be observable at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 12 4.64 -20 28.8 4.371 4.571 94 15.8 21:04 ( 48, 17)
July 3 12 2.45 -20 37.1 4.444 4.527 88 15.8 21:03 ( 53, 12)
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Now it is 16.4 mag (May 23, Slooh.com Chile Observatory, La Dehesa). It will brighten up to 15 mag from summer to autumn. In the Southern Hemisphere, it stays observable for a long time. In the Northern Hemisphere, it will be getting higher gradually after this, and it will be observable in good condition after summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 2 47.21 5 32.1 2.009 1.632 53 16.0 3:01 (270, 9)
July 3 3 5.76 7 43.2 1.951 1.608 55 15.8 3:04 (270, 13)
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Now it is 15.7 mag (May 27, ATLAS-HKO, Haleakala). It stays observable at 16 mag from 2021 to 2022.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 13 37.48 -1 47.7 4.341 4.765 108 15.9 21:04 ( 39, 46)
July 3 13 37.56 -0 57.2 4.444 4.757 101 15.9 21:03 ( 48, 43)
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It has not been observed yet in this apparition. The condition of this apparition is bad. It must have brightened up to 15.5 mag in spring, however, it is not observable until autumn when it becomes fainter than 19 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 6 5.62 26 25.1 2.285 1.274 4 15.9 3:01 (223,-14)
July 3 6 33.33 26 20.3 2.312 1.301 4 16.0 3:04 (224,-13)
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Now it is 15.7 mag (June 9, Toshihiko Ikemura, Hirohisa Sato). In the Northern Hemisphere, it stays observable for a long time while it is getting fainter slowly. In the Southern Hemisphere, it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 13 33.12 60 40.5 6.289 6.164 78 15.9 21:04 (154, 59)
July 3 13 31.06 59 17.5 6.385 6.212 75 16.0 21:03 (148, 57)
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It brightened up to 3 mag in December in the SOHO spacecraft images (Dec. 18, Hirohisa Sato). Now it is 15.6 mag (June 15, Michael Jager). It stays observable in good condition after this while the comet will be fading.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 0 21.31 18 56.0 3.328 3.343 82 16.1 3:01 (279, 46)
July 3 0 21.55 19 22.8 3.306 3.430 88 16.2 3:04 (284, 53)
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Now it is 17.9 mag (June 8, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 15 mag from summer to autumn, and it will be observable in good condition. However, it is fainter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 23 3.76 -5 4.6 1.820 2.359 109 16.3 3:01 (322, 43)
July 3 23 9.65 -5 5.3 1.736 2.349 114 16.1 3:04 (330, 46)
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Now it is 16.6 mag (June 7, Katsumi Yoshimoto). It is expected to brighten up to 11 mag in 2023. In the Northern Hemisphere, it stays observable in good condition for a long time. It locates extremely low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 17 9.45 50 43.8 6.196 6.522 104 16.2 22:49 (180, 74)
July 3 17 0.03 50 21.3 6.175 6.478 102 16.1 22:12 (180, 75)
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Now it is 16.7 mag (June 14, Michael Jager). It stays 15-16 mag until July. In the Northern Hemisphere, it stays observable in good condition for a long time. It is not observable after this in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 17 40.98 57 43.4 5.137 5.382 98 16.1 23:20 (180, 67)
July 3 17 27.60 57 53.0 5.186 5.412 97 16.2 22:39 (180, 67)
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Now it is 17.0 mag (June 16, Michael Jager). It will approach to Earth down to 0.2 a.u. in December, and it is expected to brighten up to 4 mag. In the Northern Hemisphere, it stays observable in good condition for a long time until December while the comet is brightening gradually. In the Southern Hemisphere, it is not observable until mid December. Actually, it is somewhat fainter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 10 28.46 52 31.5 3.624 3.153 55 16.3 21:04 (133, 37)
July 3 10 28.00 51 13.3 3.609 3.066 50 16.2 21:03 (133, 32)
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It had been observed as 8-9 mag for a long time in 2020. Now it is fading. It has already faded down to 17.0 mag (May 25, ATLAS-MLO, Mauna Loa). It will be observable in good condition after this in the Southern Hemisphere. It locates extremely low after this in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 16 31.24 -46 37.9 4.124 5.017 148 16.3 22:12 ( 0, 8)
July 3 16 24.91 -46 35.4 4.232 5.080 142 16.4 21:38 ( 0, 8)
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Now it is 16.8 mag (June 16, Michael Jager). It is observable at 16 mag from 2020 to 2021. In the Southern Hemisphere, it is not observable until summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 23 12.17 45 9.6 6.013 6.002 84 16.4 3:01 (236, 66)
July 3 23 8.45 45 16.4 5.927 6.009 89 16.3 3:04 (230, 71)
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Now it is 17.5 mag (June 8, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 15.5 mag from summer to autumn. It stays observable for a long time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 15 5.67 -12 59.6 1.164 2.002 133 16.5 21:04 ( 6, 42)
July 3 15 5.91 -13 3.3 1.189 1.972 126 16.3 21:03 ( 14, 41)
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Now it is 16.6 mag (June 10, Toshihiko Ikemura, Hirohisa Sato). It stays at 16-17 mag from 2020 to 2021. In the Northern Hemisphere, it stays observable in good condition for a long time. It locates extremely low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 19 16.27 50 28.5 8.523 8.842 105 16.3 1:01 (180, 75)
July 3 19 10.71 50 56.2 8.513 8.845 105 16.4 0:27 (180, 74)
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Now it is 16.2 mag (May 30, ATLAS-MLO, Mauna Loa). It stays 16.5 mag until August and stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 0 29.94 -3 45.4 2.357 2.549 88 16.4 3:01 (300, 31)
July 3 0 38.73 -3 45.8 2.291 2.564 93 16.4 3:04 (305, 34)
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Now it is 15.1 mag (May 24, Mike Olason). Appearing in the morning sky. In the Northern Hemisphere, it stays observable in good condition while the comet will be fading. In the Southern Hemipsphere, it stays locating extremely low after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 3 10.18 32 10.4 2.940 2.293 42 16.5 3:01 (243, 19)
July 3 3 24.65 33 30.0 2.911 2.315 45 16.6 3:04 (244, 23)
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Now it is 16.4 mag (June 9, Toshihiko Ikemura, Hirohisa Sato). It will brighten very rapidly, and it will be observable at 10 mag in good condition from October to December. In the Northern Hemisphere, it locates somewhat low at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 16 15.91 16 4.6 0.797 1.649 130 16.6 21:57 ( 0, 71)
July 3 16 12.02 14 24.8 0.779 1.608 126 16.5 21:25 ( 0, 69)
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Now it is 17.1 mag (June 13, Thomas Lehmann). It will brighten up to 12.5 mag in 2022 summer. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemisphere, it is not observable until August in 2022.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 3 40.84 -45 47.3 5.253 5.137 77 16.7 3:01 (308,-28)
July 3 3 45.08 -46 54.5 5.145 5.089 81 16.6 3:04 (311,-24)
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Now it is 16.0 mag (June 9, Toshihiko Ikemura, Hirohisa Sato). It is observable at 16.5 mag from spring in 2020 to summer in 2021.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 15 52.57 -19 9.2 4.116 4.989 145 16.6 21:33 ( 0, 36)
July 3 15 44.13 -19 32.1 4.216 5.010 137 16.7 21:03 ( 2, 35)
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Now it is 16.7 mag (June 16, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 10 mag in 2023. In the Northern Hemisphere, it stays observable in good condition until 2023 autumn. In the Southern Hemipshere, it stays extremely low until mid July, then it becomes unobservable for a while. But it becomes observable in good condition after 2023 summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 12 1.16 37 50.2 7.209 6.972 72 16.7 21:04 (109, 50)
July 3 12 0.68 37 29.4 7.248 6.919 67 16.7 21:03 (111, 44)
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Now it is 16.3 mag (May 23, Mike Olason). Appearing in the morning sky. In the Northern Hemisphere, it stays observable in good condition after this while the comet will be fading. In the Southern Hemisphere, it stays locating extremely low for a long time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 3 10.68 25 57.4 2.634 2.007 42 16.8 3:01 (249, 16)
July 3 3 25.24 27 25.1 2.632 2.056 45 16.9 3:04 (250, 20)
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Now it is 18 mag (June 10, Jean-Louis Virlichie). It will brighten rapidly up to 15 mag in autumn. It will be observable in excellent condition in the Northern Hemisphere. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 2 15.65 5 55.4 2.083 1.820 60 17.1 3:01 (274, 16)
July 3 2 32.38 7 38.0 2.009 1.794 63 16.9 3:04 (275, 20)
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Now it is 16.9 mag (June 10, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 11 mag in 2023. In the Northern Hemisphere, it is observable in good condition in 2021. But it is observable only until November in 2022. In the Southern Hemisphere, it locates extremely low in 2021. But it will be observable in good condition at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 18 7.00 46 2.1 6.356 6.780 110 17.0 23:47 (180, 79)
July 3 18 0.99 45 35.0 6.306 6.732 110 16.9 23:13 (180, 79)
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Now it is 18.8 mag (June 9, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 15-16 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)
June 26 23 21.04 -7 43.6 1.700 2.212 106 17.2 3:01 (319, 38)
July 3 23 26.69 -6 37.6 1.620 2.203 111 17.0 3:04 (326, 42)
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Now it is 17.6 mag (June 7, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 15.5 mag in winter. In the Northern Hemisphere, it stays observable in good condition for a long time. It is not observable at all in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 20 36.21 67 10.6 3.601 3.671 85 17.1 2:20 (180, 58)
July 3 20 18.48 69 24.9 3.556 3.632 86 17.1 1:35 (180, 56)
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Now it is 17.8 mag (June 8, Thomas Lehmann). It will be observable at 11 mag from winter to spring in 2022. In 2021, it is observable until July or August when it brightens up to 16-17 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 10 48.92 11 28.7 3.088 2.813 64 17.2 21:04 ( 87, 24)
July 3 10 56.07 10 41.9 3.133 2.772 60 17.1 21:03 ( 89, 20)
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First return of a new periodic comet observed at 17 mag in 2014. It has not been observed yet in this apparition. It is expected to brighten up to 17 mag from summer to autumn, and it will be observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 0 50.48 11 52.5 1.557 1.676 78 17.2 3:01 (282, 37)
July 3 1 5.22 14 6.5 1.513 1.680 80 17.2 3:04 (283, 41)
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Now it is 16.8 mag (June 10, Toshihiko Ikemura, Hirohisa Sato). It will be fading slowly.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 17 29.64 -12 42.2 6.771 7.753 164 17.2 23:10 ( 0, 42)
July 3 17 24.25 -12 24.4 6.830 7.779 157 17.2 22:37 ( 0, 43)
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Now it is 17.4 mag (June 8, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 11 mag from spring to summer in 2022. In the Southen Hemisphere, it locates somewhat low in 2021, but it will be observable in good condition at the high light for a long time. In the Northern Hemisphere, it is observable in good condition in 2021, but it will not be observable at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 20 30.83 38 14.6 3.914 4.383 111 17.4 2:15 (180, 87)
July 3 20 22.20 38 10.5 3.792 4.320 114 17.2 1:39 (180, 87)
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Now it is 19.1 mag (June 21, Jean-Louis Virlichie). It will brighten rapidly up to 9 mag in winter. It will be observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 23 44.82 -39 4.1 2.090 2.629 110 17.6 3:01 (332, 9)
July 3 23 52.64 -40 20.2 1.981 2.578 114 17.3 3:04 (336, 10)
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First return of a new periodic comet which brightened up to 16 mag in 2014. Now it is 16.9 mag (June 5, Thomas Lehmann). It stays observable at 16-17 mag in good condition until July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 12 30.64 -2 14.6 1.830 2.148 93 17.3 21:04 ( 56, 35)
July 3 12 38.12 -3 58.0 1.900 2.144 89 17.4 21:03 ( 59, 30)
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Now it is 17.2 mag (May 14, Michael Jager). It stays observable at 17-18 mag for a long time until 2024.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 14 31.60 -6 14.6 8.503 9.095 122 17.3 21:04 ( 19, 47)
July 3 14 28.69 -6 0.6 8.601 9.085 115 17.3 21:03 ( 29, 45)
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In the Northern Hemisphere, it is observable at 17-18 mag from spring to autumn. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 5 25.69 76 30.8 2.640 2.195 53 17.5 3:01 (193, 27)
July 3 6 44.13 78 32.5 2.600 2.192 55 17.5 3:04 (189, 27)
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It brightened rapidly up to 15.5 mag in April (Apr. 5, Sandor Szabo). Now it is fading. It has already fade down to 17.3 mag (May 30, ATLAS-MLO, Mauna Loa). It will be fainter than 18 mag in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 11 37.64 -6 28.2 2.418 2.510 83 17.6 21:04 ( 64, 23)
July 3 11 34.32 -8 3.5 2.572 2.536 76 17.8 21:03 ( 67, 16)
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First return of a new periodic comet which brightened up to 14 mag in 2010. Now it is 18.7 mag (Apr. 14, Toshihiko Ikemura, Hirohisa Sato). The condition is bad in this apparition. It is observable only until June in the Northern Hemisphere when it brightens up to 18 mag, or until August in the Southern Hemisphere when it brightens up to 17 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 9 45.09 8 49.7 2.553 2.076 51 17.7 21:04 ( 94, 10)
July 3 9 58.17 7 42.8 2.570 2.036 48 17.6 21:03 ( 95, 6)
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Now it is 17.5 mag (June 14, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 16 mag in 2022. In 2021, it stays observable at 18 mag until September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 13 21.76 1 27.2 2.883 3.277 103 17.7 21:04 ( 47, 46)
July 3 13 24.31 0 43.9 2.963 3.266 98 17.7 21:03 ( 52, 42)
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Now it is 20 mag (May 28, Giuseppe Pappa). It will brighten up to 14.5 mag in 2022 winter. In 2021, 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)
June 26 23 5.34 -12 11.3 2.949 3.453 111 17.9 3:01 (326, 36)
July 3 23 7.19 -12 20.2 2.833 3.427 117 17.8 3:04 (335, 39)
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It brightened up to 13.8 mag in autumn in 2019 (Sept. 3, 2019, Chris Wyatt). Now it is fading slowly. It stays 18 mag until autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 0 49.65 18 50.7 8.178 7.990 75 17.9 3:01 (274, 41)
July 3 0 50.16 19 20.8 8.110 8.033 82 17.9 3:04 (279, 47)
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Now it is 17.9 mag (June 11, Thomas Lehmann). It stays 17-18 mag for a long time from 2021 to 2023.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 10 54.90 9 29.9 5.136 4.832 67 17.9 21:04 ( 84, 24)
July 3 10 59.27 8 57.6 5.226 4.826 61 18.0 21:03 ( 87, 19)
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Now it is 18.6 mag (May 14, Michael Jager). In the Northern Hemisphere, it stays observable at 18 mag for a long time from 2021 to 2022. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 16 39.92 56 21.0 6.882 7.088 97 17.9 22:19 (180, 69)
July 3 16 30.11 56 6.5 6.916 7.090 95 18.0 21:42 (180, 69)
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It was expected to brighten up to 13 mag from spring to summer. But actually, it is extremely faint as 19.0 mag (Mar. 22, A. C. Gilmore, P. M. Kilmartin). In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until late August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 26 4 34.90 -34 49.6 1.729 1.562 63 19.2 3:01 (292,-33)
July 3 4 55.33 -32 45.8 1.783 1.582 61 19.4 3:04 (291,-31)
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