Weekly Information about Bright Comets (2013 June 29: South)

Japanese version Home page	Updated on June 30, 2013
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Southern Hemisphere. Azimuth indicates 0 for south, 90 for west, 180 for north, 270 for east.

C/2012 F6 ( Lemmon ) It approached to the sun down to 0.73 A.U. on Mar. 24, and brightened up to 4.7 mag (Mar. 11, Michael Mattiazzo). Now it is fading. But it is still bright as 7.7 mag (June 16, Carlos Labordena). In the Northern Hemisphere, it keeps observable in good condition while fading gradually. 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 29 0 0.27 53 58.7 1.821 1.855 75 8.4 5:32 (180, 1) July 6 23 46.49 58 28.2 1.855 1.952 79 8.7 4:51 (180, -3) C/2011 L4 ( PanSTARRS ) It passed the perihelion on Mar. 10, and brightened up to 0-1 mag. Now it is fading. But it is still bright as 10.4 mag (June 27, Yoshimi Nagai). It is observable all night in the Northern Hemisphere. It is not observable in the Southern Hemisphere for a while after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 14 32.01 68 6.7 2.243 2.275 78 10.3 20:01 (180,-13) July 6 14 30.46 64 9.6 2.357 2.380 78 10.6 19:32 (180, -9) 46P/Wirtanen It brightens up to 10 mag in summer. But the condition is worst and the comet will be hardly observable in this apparition. In the Northern Hemisphere, it will be observable in autumn when the comet will be fainter than 16 mag. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 23.96 21 29.4 2.004 1.062 15 10.6 5:38 (246, -4) July 6 5 55.78 22 37.0 2.003 1.053 14 10.3 5:38 (246, -5) C/2012 L2 ( LINEAR ) Now it is so bright as 10.8 mag (June 27, Con Stoitsis). In the Southern Hemisphere, it keeps observable for a long time until the comet fades out, although it keeps locating low. It will never be observable again in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 7 1.75 -13 32.3 2.351 1.664 37 12.6 18:28 ( 79, 9) July 6 7 17.91 -16 38.6 2.362 1.707 39 12.7 18:31 ( 75, 8) 246P/2010 V2 ( NEAT ) It brightened up to 12 mag in 2012. It is bright as 14.1 mag still now (May 19, Chris Wyatt). It keeps 13-14 mag until autumn. It locates somewhat low in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 19 49.03 -33 2.0 2.014 2.991 160 12.9 1:22 (180, 88) July 6 19 44.00 -33 51.5 2.007 3.001 165 12.9 0:49 (180, 89) C/2012 V2 ( LINEAR ) It brightened up to 14.4 mag until April (Apr. 13, Sandor Szabo). It will brighten up to 12 mag from summer to autumn. Now it is not observable. In the Southern Hemisphere, it will become observable in August, then it keeps observable while fading gradually. It will never be observable again in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 52.70 22 39.8 2.604 1.608 8 13.1 5:38 (249,-10) July 6 6 9.09 20 1.0 2.548 1.569 12 13.0 5:38 (250, -7) C/2006 S3 ( LONEOS ) It brightened up to 11-12 mag in 2012. Now it is bright as 11.0 mag (June 3, Juan Jose Gonzalez). It keeps observable in good condition until July in the Northern Hemisphere, or until September in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 13 20.23 -10 21.3 5.748 6.093 105 13.2 18:50 (180, 65) July 6 13 17.10 -10 9.8 5.901 6.121 97 13.3 18:31 (173, 65) C/2010 S1 ( LINEAR ) Now it is 13.8 mag (June 11, Sandor Szabo). It keeps bright at 13-14 mag for a long time until 2014. It keeps observable for a long time 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 29 20 42.09 33 1.7 5.394 5.907 115 13.2 2:15 (180, 22) July 6 20 34.77 32 41.8 5.332 5.909 120 13.2 1:40 (180, 22) 26P/Grigg-Skjellerup It tends to brighten very rapidly near the perihelion. It was so faint as 17.8 mag on May 25, but it brightened rapidly up to 14.0 mag on June 22 (Hidetaka Sato). It is expected to reach up to 12 mag in the evening sky from July to August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 10 22.84 8 2.3 1.224 1.090 57 14.2 18:28 (132, 34) July 6 10 52.45 7 57.0 1.214 1.086 57 13.3 18:31 (132, 34) C/2012 S1 ( ISON ) It is expected to be a great comet in 2013 autumn when the comet approaches to the sun down to only 0.01 A.U. It keeps visible with naked eyes from November to January, and can be extremely bright as Venus or more at the highlight. However, the brightening has declined at 15.5 mag from January through May in 2013. Now it is not observable. The condition is excellent in the Northern Hemisphere. It will appear in the morning sky again in late August, then it keeps observable almost all through the period of brightening, at the highlight, and of fading. The condition is not good in the Southern Hemisphere. It is not observable at all the latter part of the highlight, and it keeps low all through the period. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 7 23.59 26 57.0 4.118 3.132 12 13.5 18:28 (116,-10) July 6 7 30.66 26 34.6 4.039 3.035 7 13.4 18:31 (113,-14) 29P/Schwassmann-Wachmann 1 Now it is 12.5 mag and visible visually (June 18, Chris Wyatt). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 13 35.07 -20 45.8 5.756 6.209 112 13.7 19:05 (180, 76) July 6 13 35.66 -20 37.8 5.857 6.208 105 13.8 18:38 (180, 76) C/2011 J2 ( LINEAR ) Now it is 14.5 mag (June 11, Sandor Szabo). It keeps 13 mag and observable in good condition in the Northern Hemisphere for a long time from 2013 to 2014. But it locates low in July and August. In the Southern Hemisphere, it is not observable until 2014 autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 9 7.76 50 20.4 4.531 3.817 40 14.1 18:28 (147, -9) July 6 9 11.65 50 27.2 4.544 3.790 37 14.1 18:31 (144,-12) C/2013 E2 ( Iwamoto ) Now it is bright as 13.5 mag (June 12, Sandor Szabo). It keeps locating in the morning sky for a long time after this. I will keep the current brightness for a long time. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 0 56.58 12 0.7 2.026 2.097 79 14.2 5:38 (197, 41) July 6 1 4.35 11 57.8 2.010 2.165 84 14.4 5:38 (190, 42) (596) Scheila Big asteroid discovered in 1906. It suddenly showed the cometary activity on Dec. 11, 2010, probably due to an impact of a small object. It has already turned to be stellar. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 0 49.09 -11 47.6 2.728 2.923 90 14.4 5:38 (205, 65) July 6 0 54.21 -11 47.9 2.649 2.934 95 14.4 5:38 (193, 66) C/2011 R1 ( McNaught ) It kept bright as 11-13 mag for a long time from 2012 summer to 2013 summer. It will be fading after this. Now it is 14.3 mag (June 11, Sandor Szabo). In the Northern Hemisphere, it keeps observable for a long time until the comet fades out. In the Southern Hemisphere, it becomes low in late August, then it will be hardly observable. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 13 18.14 20 46.6 3.335 3.519 91 14.6 18:48 (180, 34) July 6 13 16.82 20 57.2 3.509 3.577 85 14.8 18:31 (177, 34) 117P/Helin-Roman-Alu 1 Now it is 14.0 mag (June 3, Chris Wyatt). It keeps bright as 13-14 mag for a long time from 2013 to 2014. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 14 4.93 -10 42.3 2.755 3.322 115 14.6 19:35 (180, 66) July 6 14 6.03 -11 5.4 2.833 3.310 109 14.6 19:08 (180, 66) C/2012 K1 ( PanSTARRS ) Now it is 14.2 mag and visible visually (June 11, Sandor Szabo). It is expected to brighten up to 5-6 mag in 2014 autumn. In 2013, it keeps observable in good condition until autumn when it brigthens up to 13-14 mag. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 16 16.03 21 40.0 4.722 5.360 124 14.7 21:45 (180, 33) July 6 16 9.09 21 28.5 4.723 5.294 119 14.6 21:10 (180, 34) C/2012 S3 ( PanSTARRS ) Now it is 15.3 mag (June 12, Catalina Sky Survey). It is expected to brighten up to 14 mag in July and August. In the Southern Hemisphere, it keeps observable for a long time until the comet fades out. It keeps observable in good condition until September also in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 21 32.14 14 8.1 1.716 2.416 122 15.0 3:05 (180, 41) July 6 21 17.93 11 3.7 1.588 2.394 132 14.8 2:23 (180, 44) C/2009 F4 ( McNaught ) Now it is 14.1 mag (Mar. 5, Hidetaka Sato). It will be fading slowly after this. But it keeps 15 mag in 2013. It becomes temporarily low in May, but will be observable in good condition again after June in the Southern Hemisphere. It is not observable now in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 4 0.12 -23 43.2 7.185 6.728 59 15.1 5:38 (274, 38) July 6 4 2.96 -23 34.7 7.153 6.757 63 15.1 5:38 (270, 43) C/2012 K6 ( McNaught ) Now it is 14.0 mag and visible visually (June 11, Sandor Szabo). It reaches up to 14-15 mag from spring to summer. It is observable in excellent condition in the Southern Hemisphere. It locates low in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 52.52 -16 12.6 3.027 3.373 101 15.3 18:28 (175, 71) July 6 12 49.96 -14 13.4 3.169 3.380 93 15.4 18:31 (155, 67) C/2013 G5 ( Catalina ) It will approach to the Sun down to 0.9 A.U., and to the Earth down to 0.4 A.U. in September. Then it is expected to brighten up to 11-12 mag. Now it is 17.2 mag (May 29, Taras Prystavski). It looks diffuse. In the Northern Hemisphere, it keeps observable in good condition until mid September while brightening rapidly. In the Southern Hemisphre, it keeps locating low for a while. However, it will getting higher after August, and it keeps observable in good condition after that, until the comet fades out. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 13 29.87 49 10.5 1.179 1.439 81 15.9 18:59 (180, 6) July 6 13 32.01 47 24.9 1.121 1.355 78 15.6 18:34 (180, 8) C/2011 F1 ( LINEAR ) It brightened up to 9.0 mag in 2012 autumn (Nov. 4, Juan Jose Gonzalez). However, it faded out unexpectedly around the perihelion passage. Now it is fainter than originally predicted by 4-5 mag. Now it is 15.2 mag (June 3, Hidetaka Sato). In the Southern Hemisphere, it keeps observable in good condition while fading slowly after this. In the Northern Hemisphere, it will not be observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 9.26 -42 57.5 2.749 2.776 80 15.6 5:38 (297, 54) July 6 3 20.75 -43 21.9 2.773 2.837 83 15.7 5:38 (297, 57) C/2013 G6 ( Lemmon ) It brightened very rapidly. Now it is so bright as 15.2 mag (June 21, Hidetaka Sato). It keeps observable in good condition for a while in the Southern Hemipshere. It will be unobservable in late June in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 11 25.86 -18 50.5 1.930 2.073 83 15.6 18:28 (122, 64) July 6 11 17.44 -19 5.9 2.068 2.062 75 15.6 18:31 (110, 57) C/2012 V1 ( PanSTARRS ) It is expected to brighten rapidly and to be observable at 15 mag in good condition from July to August. But actually, it is not detected, fainter than 20 mag (May 19, Hidetaka Sato). It can have been already disintegrated. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 23 24.25 23 4.7 1.757 2.107 95 16.0 4:57 (180, 32) July 6 23 4.22 23 1.0 1.589 2.098 105 15.7 4:09 (180, 32) P/2013 J2 ( McNaught ) Now it is 16.3 mag (June 18, Catalina Sky Survey). It brightens up to 15.5 mag and will be observable in excellent condition from summer to autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 21 39.76 -6 50.8 1.397 2.210 131 16.2 3:12 (180, 62) July 6 21 40.38 -5 18.2 1.334 2.196 137 16.0 2:45 (180, 60) P/1998 U3 ( Jager ) First return of a new periodic comet discovered in 1998. It brightened up to 10 mag at the discovery. In the Northern Hemisphere, it keeps observable in excellent condition from autumn to spring. It locates somewhat low in the Southern Hemisphere. It has not been recovered yet. It was fainter than 19.5 mag on Jan. 2 (Michael Jager). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 3 29.91 34 35.4 3.842 3.146 40 16.4 5:38 (220, 6) July 6 3 41.84 35 19.3 3.744 3.105 44 16.2 5:38 (217, 7) 63P/Wild 1 Now it is fading. It has already faded down to 15.4 mag (June 23, Hidetaka Sato). It will be unobservable in July in the Northern Hemisphere. It will be fainter than 18 mag in August also in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 11 20.19 -4 17.1 2.111 2.100 75 16.3 18:28 (138, 52) July 6 11 31.88 -6 11.4 2.202 2.126 72 16.5 18:31 (130, 51) P/2012 F2 ( PanSTARRS ) Now it is 16.5 mag (Apr. 14, J. F. Hernandez). It keeps observable in good condition at 17 mag from spring to summer. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 18 37.98 -5 27.4 1.973 2.957 162 16.4 0:11 (180, 60) July 6 18 34.01 -5 11.2 1.987 2.968 161 16.4 23:35 (180, 60) P/2012 B1 ( PanSTARRS ) Now it is 14.6 mag and visible visually (June 11, Sandor Szabo). It will be observable at 14-16 mag for a long time from 2013 to 2014. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 12 2.60 2 46.1 3.830 3.828 82 16.4 18:28 (158, 50) July 6 12 7.22 2 2.9 3.926 3.826 76 16.5 18:31 (148, 48) 154P/Brewington Not observed yet in this apparition. It will brighten very rapidly near the perihelion passage. It is expected to reach up to 10 mag from autumn to winter. In the Northern Hemipshere, it keeps observable in excellent condition until the comet fades out. In the Southern Hemisphere, it keeps observable in good condition within 2013, but it will not be observable in 2014. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 22 55.95 -19 52.2 1.700 2.365 118 16.8 4:28 (180, 75) July 6 22 59.44 -19 17.3 1.585 2.317 124 16.5 4:04 (180, 74) 257P/2012 F4 ( Catalina ) Now it is 17.1 mag (June 8, Ken-ichi Kadota). It is expected to be observable at 16 mag in good condition in summer and autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 23 53.06 19 23.7 1.866 2.138 90 16.7 5:25 (180, 36) July 6 0 1.68 20 21.3 1.802 2.143 94 16.6 5:06 (180, 35) C/2011 O1 ( LINEAR ) Now it is 16.1 mag (Mar. 4, Hidetaka Sato). In the Southern Hemisphere, it keeps observable in good condition for a long time while fading gradually. It is not observable at all in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 5 1.08 -41 32.4 5.014 4.729 68 16.7 5:38 (300, 34) July 6 5 8.54 -41 16.2 5.031 4.762 69 16.8 5:38 (299, 37) P/2005 L1 ( McNaught ) First return of a new periodic comet discovered in 2005. It was expected to be observable at 17 mag for a long time from 2013 to 2014. However, it has not been recovered yet. Actually, it is much fainter than predicted, fainter than 20.5 mag (June 8, Danilo Pivato). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 16 48.34 -13 1.4 2.283 3.225 153 17.0 22:17 (180, 68) July 6 16 44.86 -13 13.3 2.322 3.219 146 17.0 21:46 (180, 68) P/1998 Y2 ( Li ) First return of a new periodic comet discovered in 1998. It is expected to be observable at 15.5 mag in good condition from 2013 autumn to early 2014. However, it has not been recovered yet, although it locates high in the Southern Hemisphere. Actually, it seems to be much fainter than predicted, fainter than 19.5 mag (June 20, Martin Masek). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 1 22.95 -18 7.8 2.981 3.080 85 17.3 5:38 (230, 66) July 6 1 31.09 -18 12.4 2.872 3.050 90 17.1 5:38 (221, 69) C/2012 C1 ( McNaught ) Now it is 17.4 mag (June 15, K. Hills). It keeps 17 mag for a long time from 2012 to 2013, and will be observable in good condition in the Southern Hemisphere. It is not observable at all in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 2 16.21 -67 17.4 4.655 4.967 101 17.3 5:38 (340, 53) July 6 2 12.55 -68 40.8 4.621 4.980 104 17.3 5:38 (345, 54) C/2012 A2 ( LINEAR ) It was observed at 15-16 mag in 2012. Now it is fading. It has already faded down to 16.4 mag (June 8, A. Diepvens). It will be fainter than 18 mag in autumn. It locates low in the Southern Hemisphere. By the way, a few visual observers reported it was so bright as 10-11 mag in 2012. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 2 17.06 39 3.5 4.615 4.126 55 17.4 5:38 (205, 10) July 6 2 17.73 38 56.4 4.549 4.158 61 17.4 5:38 (200, 12) C/2013 F3 ( McNaught ) Now it is 17.4 mag (June 21, Mt. Lemmon Survey). Although it was 16.5 mag in May, it is fading very rapidly after that. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 17 32.60 29 58.7 1.548 2.287 124 17.4 23:00 (180, 25) July 6 17 15.44 32 35.0 1.628 2.303 119 17.6 22:15 (180, 22) 174P/(60558) 2000 EC98 ( Echeclus ) It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It will pass the perihelion in 2015. It keeps observable at 17 mag for a long time after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 19 8.01 -17 43.1 5.594 6.597 169 17.5 0:41 (180, 73) July 6 19 5.25 -17 48.0 5.569 6.582 174 17.5 0:11 (180, 73) 152P/Helin-Lawrence It brightened up to 15.5 mag in 2012 summer. Although it has already passed the perihelion, it tends to become brightest after the perihelion passage. Now it is 18.6 mag, fainter than this ephemeris (June 20, A. Maury, J. F. Soulier). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 22 39.71 -18 16.8 2.968 3.613 122 17.5 4:12 (180, 73) July 6 22 39.70 -18 42.1 2.905 3.630 128 17.5 3:44 (180, 74) C/2012 S4 ( PanSTARRS ) It was observed at 18 mag in 2012. It will be observable at 17 mag in excellent condition in 2013. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 0 40.68 18 21.8 4.393 4.349 80 17.6 5:38 (190, 36) July 6 0 39.46 17 42.7 4.267 4.349 87 17.5 5:38 (182, 37) C/2013 G2 ( McNaught ) Now it is 16.7 mag (June 8, Ken-ichi Kadota). It will be fading after this. It locates low in the Northern Hempshere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 18 9.52 -19 47.5 2.143 3.155 173 17.6 23:37 (180, 75) July 6 17 55.92 -17 50.1 2.219 3.210 164 17.8 22:56 (180, 73) C/2012 Q1 ( Kowalski ) Because it is a very distant comet, it will be fading very slowly. It keeps observable at 17.5 mag in 2013. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 23 25.21 11 24.5 9.511 9.745 100 17.8 4:57 (180, 44) July 6 23 25.39 11 22.9 9.410 9.752 106 17.8 4:30 (180, 44) 102P/Shoemaker 1 Now it is 18.1 mag (June 13, Mt. Lemmon Survey). It is brighter than originally expected by 1 mag. It will brighten up to 16.5 mag and will be observable in good condition from summer to autumn. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 0 15.03 -3 15.7 1.682 2.041 95 17.9 5:38 (184, 58) July 6 0 21.81 -1 1.5 1.596 2.026 99 17.8 5:26 (180, 56) C/2011 KP36 ( Spacewatch ) Now it is 17.7 mag (June 10, P. Lindner). It is expected to brighten up to 14 mag from 2015 to 2016. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 17 47.35 -2 3.9 7.726 8.666 156 17.8 23:16 (180, 57) July 6 17 45.15 -2 7.4 7.717 8.631 152 17.8 22:46 (180, 57) C/2008 S3 ( Boattini ) It has been observed at 17 mag for a long time from 2009 to 2012. It is also observable at 18 mag in good condition in 2013. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 22 15.75 8 41.2 8.699 9.199 116 17.8 3:48 (180, 46) July 6 22 12.51 8 36.8 8.619 9.219 123 17.8 3:17 (180, 46) C/2013 G7 ( McNaught ) Now it is 17.4 mag (June 8, Catalina Sky Survey). It keeps 17-18 mag for a long time from 2013 to 2014. It keeps observable in good condition in the Southern Hemisphere. In the Northern Hemisphere, it is only observable until 2013 July. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 14 13.80 -18 19.1 4.531 5.116 120 17.9 19:43 (180, 73) July 6 14 8.95 -18 42.6 4.620 5.095 112 17.9 19:11 (180, 74) P/2013 G1 ( Kowalski ) Now it is 17.6 mag (June 3, Mt. Lemmon Survey). It keeps 18 mag for a long time from 2013 to 2014. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 15 7.67 -15 7.7 2.773 3.529 131 17.9 20:37 (180, 70) July 6 15 7.62 -15 2.6 2.835 3.515 124 17.9 20:10 (180, 70) 17P/Holmes It brightened up to 2 mag by unusual major outburst in 2007. It was observed around aphelion at 22 mag. It will return in 2014. It will be 14 mag at best by normal prediction. Now it is 17.0 mag, a bit brighter than this ephemeris (June 13, A. Maury, J. F. Soulier). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 17 13.17 -48 12.3 1.917 2.847 150 18.0 22:42 ( 0, 77) July 6 17 5.85 -47 27.5 1.914 2.817 146 18.0 22:07 ( 0, 78) 98P/Takamizawa It was expected to be bright as 14 mag and observable in excellent condition in summer. But actually, it is so faint as 17.8 mag, much fainter than expected by 4 mag (June 12, Katsumi Yoshimoto). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 14 59.50 -2 54.8 0.916 1.714 124 18.5 20:29 (180, 58) July 6 15 4.07 -4 48.0 0.944 1.701 120 18.5 20:06 (180, 60) 91P/Russell 3 It was predicted to be 17 mag. But actually, it is much fainter, 19.0 mag (June 3, Hidetaka Sato). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 18 3.20 -13 41.6 1.711 2.715 168 18.5 23:32 (180, 69) July 6 17 58.35 -13 12.7 1.739 2.726 162 18.6 22:59 (180, 68) 184P/Lovas 2 Although it was expected to be bright as 16 mag, actually it was so faint as 20.4 mag, fainter than expected by 4-5 mag (June 4, Cerro Tololo-LCOGT B). It will be observable in good condition from summer to autumn, however, it will be only 20 mag at best. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) June 29 1 4.19 8 28.4 1.218 1.433 79 19.0 5:38 (200, 44) July 6 1 26.09 10 47.7 1.179 1.417 80 18.9 5:38 (198, 43)