|
Brightening rapidly. Marco Goiato reported it was 9.6 mag visually on June 30. It will approach to the sun down to 0.12 A.U. on July 14. In the Southern Hemisphere, it becomes unobservable temporarily in mid July, but it will be observable in good condition in the evening sky after the perihelion passage. In the Northern Hemisphere, it is not observable now, but it will appear in the evening sky at 8 mag in late July. Then it keeps observable while fading rapidly in the evening low sky.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 6 19.07 6 49.4 1.023 0.343 19 7.2 5:37 (262, 0)
July 14 7 23.05 21 7.8 1.136 0.129 2 2.3 5:36 (255,-15)
|
|
It kept as bright as 6-7 mag for a long time from 2011 summer to 2012 spring. Now it is fading. But it is bright as 10.6 mag still now (June 16, Carlos Labordena). However, it will be unobservable soon also in the Southern Hemisphere. It will appear in the morning sky again at 12.5 mag in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 9 17.14 17 29.9 3.774 2.953 31 11.0 18:32 (119, 10)
July 14 9 21.53 16 4.9 3.902 3.021 25 11.2 18:35 (114, 6)
|
|
Now it is so bright as 11.1 mag (July 5, Marco Goiato). It is expected to be bright as 9 mag from 2012 to 2013. In the Northern Hemisphere, it keeps observable in good condition for a long time until 2012 autumn when the comet brightens up to 10 mag. In the Southern Hemisphere, it is hardly observble before the perihelion passage. But it becomes observable in good condition since 2013 after the perihelion passage.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 14 3.18 42 0.6 2.794 2.889 85 11.3 19:00 (180, 13)
July 14 14 3.83 39 19.7 2.787 2.828 81 11.2 18:35 (180, 16)
|
|
Now it is bright as 12.4 mag (June 24, Chris Wyatt). It is expected to be observable at 11-13 mag for a long time from 2012 summer to 2013 summer. It will be observable in excellent condition in the Southern Hemisphere. But it is not observable until 2013 January in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 4 10.92 -54 55.8 2.264 2.417 86 12.1 5:37 (316, 49)
July 14 4 37.90 -58 49.1 2.179 2.377 88 12.0 5:36 (321, 48)
|
|
It is expected to be a great comet of -1 mag in 2013 spring. Now it is 12.0 mag (July 6, Man-To Hui). Brightening faster than originally expected. In 2012, it keeps observable until summer while brightening gradually. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 15 23.84 -25 19.2 3.317 4.042 129 12.7 20:20 (180, 80)
July 14 15 17.37 -25 10.5 3.333 3.960 121 12.6 19:46 (180, 80)
|
|
It brightened much faster than expected. Now it is so bright as 10.9 mag (June 14, Juan Jose Gonzalez). In the Northern Hemisphere, it keeps observable at 12-13 mag in good condition until early 2013. In the Southern Hemisphere, it is not observable until late 2012.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 8 58.15 65 1.0 2.720 2.146 46 12.6 18:32 (154,-23)
July 14 9 8.65 61 42.2 2.765 2.140 43 12.7 18:35 (150,-23)
|
|
Big asteroid discovered in 1906. It suddenly showed the cometary activity on Dec. 11, 2010, probably due to an impact of a small object. Now it is 11.9 mag (May 29, Marco Goiato). It has already turned to be stellar.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 16 4.98 -24 31.6 1.597 2.455 138 12.7 21:02 (180, 80)
July 14 16 3.44 -25 2.9 1.660 2.458 131 12.9 20:33 (180, 80)
|
|
Brightening rapidly. It has already brightened up to 14.5 mag (June 18, Michael Jager). It has a large faint coma of 1.5 arcmin. It is expected to reach up to 10 mag in August. It keeps observable in the morning sky all through this apparition, although it locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 2 35.88 25 36.8 1.110 1.082 60 13.4 5:37 (209, 23)
July 14 3 16.25 26 37.9 1.098 1.035 58 12.8 5:36 (211, 21)
|
|
Now it is bright as 12.1 mag (June 14, Juan Jose Gonzalez). It keeps 13-14 mag and observable in good condition until September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 15 56.83 -12 5.6 4.411 5.168 133 13.6 20:53 (180, 67)
July 14 15 48.95 -12 4.1 4.518 5.175 125 13.6 20:18 (180, 67)
|
|
Now it is bright as 12.8 mag (June 15, Sandor Szabo). It keeps bright as 13-14 mag for a long time after this until 2013. It is not observable in the Northern Hemisphere, but it is observable in good condition in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 4 41.23 -52 25.7 5.690 5.627 81 13.7 5:37 (312, 44)
July 14 4 45.98 -52 25.2 5.680 5.640 82 13.7 5:36 (312, 48)
|
|
This comet brightened up to 10 mag in outburst in 1995, however, it became lost after that. The condition of this apparition is bad. It is not observable around the perihelion passage. Maybe it can be recovered after summer when it appears in the morning sky.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 5 7.30 13 53.2 2.522 1.710 29 13.7 5:37 (245, 10)
July 14 5 25.11 13 57.3 2.540 1.756 31 13.8 5:36 (244, 11)
|
|
Now it is 13.9 mag (Mar. 26, Jakub Cerny). It is expected to be 13 mag and will be observable in good condition in 2013. It keeps observable for a long time in the Northern Hemisphere. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 23 2.99 56 24.9 6.288 6.309 86 14.0 4:03 (180, -1)
July 14 22 55.13 56 50.1 6.193 6.292 90 13.9 3:27 (180, -2)
|
|
Now it is visible visually at 11.7 mag (June 16, Carlos Labordena).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 12 11.28 -10 17.6 6.320 6.254 81 14.0 18:32 (138, 59)
July 14 12 13.80 -10 26.7 6.427 6.254 75 14.0 18:35 (127, 55)
|
|
It was expected to brighten up to 14 mag from May to July. But actually, it has not been observed since late January. Michael Mattiazzo reported it was not detected, fainter than 17.0 mag, on June 10. In the Southern Hemisphere, it will be getting higher gradually after this. It will be hardly observable in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 10 36.40 -35 14.7 0.923 1.202 76 14.1 18:32 ( 77, 54)
July 14 11 24.62 -27 41.2 1.061 1.256 74 14.6 18:35 ( 92, 55)
|
|
Now it is so bright as 11.6 mag (June 14, Juan Jose Gonzalez). Although it was extremely faint as 20.5 mag at the recovery in 2010 autumn, it brightened rapidly. It will keep 12-14 mag and observable in good condition for a long time from 2012 to 2013. But it locates somewhat low in the Northern Hemisphere in 2013.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 13 1.60 6 51.5 2.970 3.079 86 14.3 18:32 (168, 48)
July 14 13 6.20 5 40.6 3.049 3.067 81 14.4 18:35 (158, 47)
|
|
It kept as bright as 11-12 mag for a long time from 2011 autumn to 2012 spring. It is not observable now. But it will appear in the morning sky again at 15 mag in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 7 10.47 18 6.8 3.457 2.445 4 14.4 18:32 (102,-15)
July 14 7 24.35 17 37.5 3.487 2.475 4 14.4 5:36 (258,-14)
|
|
Now it is 16.1 mag (June 22, A. Diepvens). It is expected to brighten up to 13.5 mag from summer to autumn. But actually, it is fainter than this ephemeris recently. It keeps observable for a long time until December. It keeps locating low in the evening after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 11 47.16 27 23.7 1.990 1.779 63 15.0 18:32 (154, 23)
July 14 12 0.15 25 38.4 1.970 1.714 60 14.8 18:35 (150, 23)
|
|
Now it is 15.9 mag (June 2, K. Hills). In the Southern Hemisphere, it will be observable at 15-16 mag in good condition for a long time until 2013 summer. It is not observable at all in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 20 8.25 -77 39.8 3.243 3.908 124 15.0 1:10 ( 0, 47)
July 14 19 45.86 -79 20.6 3.264 3.903 122 15.0 0:21 ( 0, 46)
|
|
First return of a new periodic comet which brightened up to 14 mag in 2005. It was recovered as bright as predicted. Now it is 15.7 mag (July 1, Jakub Cerny). It is expected to brighten up to 13 mag from summer to autumn, and will be observable in excellent condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 0 27.44 -8 31.3 1.119 1.661 102 15.3 5:26 (180, 64)
July 14 0 40.66 -6 1.4 1.044 1.631 104 15.1 5:12 (180, 61)
|
|
Now it is 15.8 mag (June 30, Jakub Cerny). After this, it will be observable in good condition in the Southern Hemisphere while fading gradually. It will locate somewhat low in the Northern Hemisphere. In 2011, some visual observers reported it was very bright as 10-12 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 23 16.66 -18 52.3 2.575 3.226 121 15.2 4:16 (180, 74)
July 14 23 17.64 -19 57.0 2.550 3.276 128 15.3 3:50 (180, 75)
|
|
Now it is 15.8 mag (June 10, K. Hills). It keeps observable in good condition at 14-15 mag for a long time until winter. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 23 38.09 34 55.5 3.271 3.485 93 15.5 4:37 (180, 20)
July 14 23 42.20 35 57.9 3.169 3.458 97 15.4 4:14 (180, 19)
|
|
Brightening rapidly. Now it is 16.1 mag (June 19, K. Hills). It will approach to the earth down to 0.17 A.U. in July. Then it brightens up to 15 mag and moves northwards very quickly. Now it locates very high in the Southern Hemisphere. In the Northern Hemisphere, it will become observable in late June, then it will be observable in excellent condition. In the Southern Hemisphere, it keeps excellent condition until July. It keeps observable also after that, but locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 18 41.12 -17 29.4 0.173 1.189 172 15.4 23:38 (180, 71)
July 14 18 51.22 -1 6.1 0.175 1.180 156 15.4 23:21 (180, 55)
|
|
It was observed at 12.5 mag on Apr. 1, as bright as expected (Michael Jager). Now it is 14.0 mag (Apr. 26, Michael Jager). In the Northern Hemisphere, it had been locating extremely low in the morning until June, but it will be observable at high location after this. In the Southern Hemisphere, it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 4 22.74 45 6.9 3.369 2.671 40 15.6 5:37 (216, -5)
July 14 4 36.19 45 31.9 3.395 2.745 43 15.7 5:36 (214, -4)
|
|
The condition of this apparition is bad, and it was not observable around the perihelion passage. Now it is 15.7 mag (June 30, Jakub Cerny). It will be fading after this, and will be fainter than 18 mag in late October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 1 46.54 2 6.6 2.343 2.382 79 16.0 5:37 (207, 50)
July 14 1 53.11 2 34.6 2.294 2.421 84 16.1 5:36 (199, 51)
|
|
Now it is 16.5 mag (June 14, L. Arnold). It is expected to approach to the earth and to be observable at 9-10 mag in good condition in winter. The condition is good in the Northern Hemisphere. It locates low in the Southern Hemisphere, and will be unobservable after summer. But it will become observable in good condition after 2013 January.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 17 44.39 45 18.2 1.867 2.407 109 16.2 22:39 (180, 10)
July 14 17 20.06 46 56.9 1.847 2.327 105 16.0 21:47 (180, 8)
|
|
It brightened up to 10 mag from autumn to winter in 2011. Now it is appearing in the morning sky again in the Southern Hemisphere. It has already faded down to 16.6 mag (June 30, Jakub Cerny). It keeps observable in good condition while fading graudlaly after this. It will be hardly observable in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 4 42.07 -17 49.2 4.477 3.957 53 16.7 5:37 (269, 34)
July 14 4 46.74 -19 9.2 4.465 4.017 57 16.8 5:36 (267, 39)
|
|
Now it is 15.5 mag (June 8, Catalina Sky Survey). It tends to brighten after the perihelion passage. It keeps observable at 16-17 mag from 2012 to 2013. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 16 5.99 -16 57.2 2.290 3.116 137 16.7 21:03 (180, 72)
July 14 16 4.89 -17 19.9 2.357 3.117 130 16.8 20:34 (180, 72)
|
|
Now it is 19.4 mag (June 21, Hidetaka Sato). It was expected to brighten rapidly and become observable in good condition at 16.5 mag from summer to autumn. But actually, it is much fainter than expected.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 23 40.30 -6 53.9 1.551 2.153 112 17.2 4:40 (180, 62)
July 14 23 44.54 -5 27.0 1.470 2.138 117 17.1 4:16 (180, 60)
|
|
Now it is 16.6 mag (June 12, Catalina Sky Survey). It keeps observable at 17 mag for a long time from 2011 to 2013. In 2012, it keeps observable in good condition until early September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 14 25.92 8 5.0 5.282 5.633 105 17.1 19:23 (180, 47)
July 14 14 21.25 7 48.7 5.406 5.636 97 17.2 18:50 (180, 47)
|
|
It keeps 17 mag for a long time from 2009 to 2013.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 23 31.73 14 29.1 8.046 8.368 105 17.3 4:31 (180, 40)
July 14 23 28.61 14 27.9 7.944 8.380 112 17.2 4:01 (180, 40)
|
|
New comet. Now it is 17.2 mag (June 5, A. Diepvens). It will brighten up to 15 mag from autum to winter. In the Northern Hemisphere, it keeps observable for a long time until the comet fades out. It is not observable in the Southern Hemisphere, except for 2013 spring, but the comet locates extremely low only.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 17 20.09 77 39.7 2.986 2.957 78 17.6 22:12 (180,-23)
July 14 16 32.16 78 10.9 2.968 2.910 76 17.5 20:57 (180,-23)
|
|
New comet. Now it is 17.1 mag (June 4, A. Diepvens). It is expected to brighten up to 10 mag from winter to spring in 2013. In the Northern Hemisphere, it keeps observable in good condition until 2013 April. It is not observable now in the Southern Hemisphere. It will become observable after 2013 April, but it keeps locating low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 0 31.66 76 2.2 4.249 4.019 70 17.7 5:31 (180,-21)
July 14 0 43.81 77 34.0 4.154 3.951 71 17.6 5:15 (180,-23)
|
|
It has not been observed yet in this apparition. It will approach to the earth down to 0.4 A.U., and it is expected to be observable in good condition as bright as 15 mag in September and October. Now it locates very high in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 0 5.24 -26 32.3 1.031 1.705 112 17.9 5:04 (180, 82)
July 14 0 15.97 -24 59.3 0.947 1.665 115 17.6 4:47 (180, 80)
|
|
New comet. Now it is 17.4 mag (June 12, L. Elenin). Now it is brightest. It will be fainter than 18 mag very soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 19 8.86 35 16.1 2.394 3.059 122 17.8 0:10 (180, 20)
July 14 18 45.65 33 39.1 2.385 3.065 123 17.8 23:12 (180, 21)
|
|
New comet. Now it is 17.9 mag (May 30, K. Hills). It will brighten up to 15.5 mag in 2013 spring. In the Southern Hemisphere, it keeps observable in good condition while the comet will be brightening gradually. In the Northern Hemisphere, it is not observable until 2013 spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 20 16.17 -76 41.0 3.781 4.445 125 17.9 1:19 ( 0, 48)
July 14 19 26.24 -77 18.4 3.751 4.406 124 17.8 0:03 ( 0, 48)
|
|
New periodic comet. Now it is 18.1 mag (June 18, Hidetaka Sato). It is observable at 18 mag in good condition from June to July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 16 46.53 -7 40.7 1.277 2.179 143 17.9 21:43 (180, 63)
July 14 16 44.55 -8 48.2 1.304 2.164 137 17.9 21:14 (180, 64)
|
|
It was predicted to brighten up to 17 mag and will be observable in good condition from spring to summer. But actually, it is so faint as 19.5 mag, much fainter than expected (June 16, Michael Jager).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
July 7 19 18.70 -5 44.4 1.286 2.277 162 18.8 0:19 (180, 61)
July 14 19 13.66 -6 5.3 1.306 2.299 163 18.9 23:42 (180, 61)
|
|