suhuasky 发表于 2017-8-3 12:52

秋天的明亮彗星 C/2017 O1 (ASSSN)

Ephemeris of comet C/2017 O1
日期Top R.A.Top DecR (AU)距离El ? Mag
01 八月 201702h 53m 44.9s-06°15' 18"1.82331.520189.710.0
02 八月 201702h 55m 21.5s-05°53' 00"1.81591.504290.110.0
03 八月 201702h 56m 57.8s-05°30' 24"1.80841.488390.59.9
04 八月 201702h 58m 34.0s-05°07' 27"1.80111.472590.99.9
05 八月 201703h 00m 10.1s-04°44' 09"1.79381.456891.39.8
06 八月 201703h 01m 46.0s-04°20' 30"1.78651.441291.79.8
07 八月 201703h 03m 21.7s-03°56' 29"1.77941.425792.19.8
08 八月 201703h 04m 57.2s-03°32' 05"1.77221.410292.59.7
09 八月 201703h 06m 32.6s-03°07' 17"1.76521.394892.99.7
10 八月 201703h 08m 07.7s-02°42' 06"1.75821.379493.39.7
11 八月 201703h 09m 42.8s-02°16' 29"1.75131.364293.79.6
12 八月 201703h 11m 17.6s-01°50' 26"1.74451.349094.19.6
13 八月 201703h 12m 52.2s-01°23' 57"1.73771.333994.59.5
14 八月 201703h 14m 26.7s-00°57' 01"1.73101.318995.09.5
15 八月 201703h 16m 00.9s-00°29' 37"1.72441.304095.49.4
16 八月 201703h 17m 35.0s-00°01' 43"1.71781.289195.89.4
17 八月 201703h 19m 08.8s+00°26' 40"1.71141.274496.29.4
18 八月 201703h 20m 42.4s+00°55' 35"1.70501.259896.69.3
19 八月 201703h 22m 15.8s+01°25' 00"1.69861.245297.19.3
20 八月 201703h 23m 49.0s+01°54' 59"1.69241.230897.59.2
21 八月 201703h 25m 21.9s+02°25' 31"1.68621.216597.99.2
22 八月 201703h 26m 54.6s+02°56' 38"1.68021.202298.49.2
23 八月 201703h 28m 27.0s+03°28' 20"1.67421.188198.89.1
24 八月 201703h 29m 59.1s+04°00' 39"1.66831.174199.39.1
25 八月 201703h 31m 31.0s+04°33' 35"1.66241.160299.79.0
26 八月 201703h 33m 02.6s+05°07' 10"1.65671.1465100.29.0
27 八月 201703h 34m 34.0s+05°41' 25"1.65101.1329100.68.9
28 八月 201703h 36m 05.1s+06°16' 21"1.64551.1194101.18.9
29 八月 201703h 37m 35.9s+06°51' 58"1.64001.1060101.58.9
30 八月 201703h 39m 06.5s+07°28' 19"1.63461.0928102.08.8
31 八月 201703h 40m 36.8s+08°05' 23"1.62941.0797102.48.8
01 九月 201703h 42m 06.9s+08°43' 13"1.62421.0668102.98.8
02 九月 201703h 43m 36.6s+09°21' 49"1.61911.0540103.48.7
03 九月 201703h 45m 06.1s+10°01' 12"1.61411.0414103.98.7
04 九月 201703h 46m 35.3s+10°41' 23"1.60921.0290104.38.6
05 九月 201703h 48m 04.2s+11°22' 24"1.60441.0167104.88.6
06 九月 201703h 49m 32.9s+12°04' 15"1.59971.0046105.38.6
07 九月 201703h 51m 01.2s+12°46' 57"1.59510.9927105.88.5
08 九月 201703h 52m 29.2s+13°30' 32"1.59060.9809106.28.5
09 九月 201703h 53m 56.9s+14°14' 59"1.58620.9693106.78.4
10 九月 201703h 55m 24.3s+15°00' 21"1.58190.9580107.28.4
11 九月 201703h 56m 51.4s+15°46' 37"1.57780.9468107.78.4
12 九月 201703h 58m 18.1s+16°33' 48"1.57370.9358108.28.3
13 九月 201703h 59m 44.5s+17°21' 56"1.56970.9251108.78.3
14 九月 201704h 01m 10.4s+18°11' 00"1.56590.9145109.28.3
15 九月 201704h 02m 36.0s+19°01' 02"1.56220.9042109.68.2
16 九月 201704h 04m 01.2s+19°52' 01"1.55850.8941110.18.2
17 九月 201704h 05m 25.9s+20°43' 57"1.55500.8842110.68.2
18 九月 201704h 06m 50.2s+21°36' 52"1.55160.8746111.18.1
19 九月 201704h 08m 14.0s+22°30' 44"1.54840.8652111.68.1
20 九月 201704h 09m 37.3s+23°25' 35"1.54520.8560112.18.1
21 九月 201704h 11m 00.1s+24°21' 22"1.54220.8472112.58.0
22 九月 201704h 12m 22.4s+25°18' 07"1.53920.8386113.08.0
23 九月 201704h 13m 44.1s+26°15' 47"1.53640.8302113.58.0
24 九月 201704h 15m 05.3s+27°14' 24"1.53370.8222114.07.9
25 九月 201704h 16m 26.0s+28°13' 54"1.53120.8144114.47.9
26 九月 201704h 17m 46.0s+29°14' 18"1.52870.8069114.97.9
27 九月 201704h 19m 05.5s+30°15' 34"1.52640.7997115.37.8
28 九月 201704h 20m 24.3s+31°17' 40"1.52420.7929115.87.8
29 九月 201704h 21m 42.4s+32°20' 34"1.52220.7863116.27.8
30 九月 201704h 22m 59.9s+33°24' 14"1.52020.7800116.67.8
01 十月 201704h 24m 16.7s+34°28' 38"1.51840.7741117.07.8
02 十月 201704h 25m 32.7s+35°33' 43"1.51670.7685117.47.7
03 十月 201704h 26m 47.9s+36°39' 26"1.51510.7632117.87.7
04 十月 201704h 28m 02.4s+37°45' 45"1.51370.7582118.17.7
05 十月 201704h 29m 16.0s+38°52' 36"1.51240.7536118.57.7
06 十月 201704h 30m 28.6s+39°59' 56"1.51120.7493118.87.7
07 十月 201704h 31m 40.4s+41°07' 41"1.51020.7453119.27.7
08 十月 201704h 32m 51.1s+42°15' 47"1.50920.7417119.57.6
09 十月 201704h 34m 00.8s+43°24' 10"1.50840.7384119.87.6
10 十月 201704h 35m 09.3s+44°32' 47"1.50780.7355120.07.6
11 十月 201704h 36m 16.6s+45°41' 33"1.50720.7329120.37.6
12 十月 201704h 37m 22.6s+46°50' 24"1.50680.7307120.57.6
13 十月 201704h 38m 27.1s+47°59' 14"1.50660.7287120.77.6
14 十月 201704h 39m 30.2s+49°08' 01"1.50640.7272120.97.6
15 十月 201704h 40m 31.6s+50°16' 38"1.50640.7260121.17.6
16 十月 201704h 41m 31.3s+51°25' 02"1.50650.7251121.27.6
17 十月 201704h 42m 29.2s+52°33' 08"1.50680.7245121.47.6
18 十月 201704h 43m 25.1s+53°40' 50"1.50710.7243121.57.6
19 十月 201704h 44m 18.8s+54°48' 06"1.50760.7244121.67.6
20 十月 201704h 45m 10.4s+55°54' 50"1.50830.7249121.77.6
21 十月 201704h 45m 59.5s+57°00' 57"1.50900.7257121.77.6
22 十月 201704h 46m 46.0s+58°06' 25"1.50990.7268121.77.6
23 十月 201704h 47m 29.8s+59°11' 09"1.51100.7282121.87.6
24 十月 201704h 48m 10.7s+60°15' 04"1.51210.7299121.87.6
25 十月 201704h 48m 48.4s+61°18' 08"1.51340.7319121.77.6
26 十月 201704h 49m 22.8s+62°20' 17"1.51480.7342121.77.6
27 十月 201704h 49m 53.5s+63°21' 28"1.51630.7368121.77.6
28 十月 201704h 50m 20.2s+64°21' 38"1.51800.7397121.67.7
29 十月 201704h 50m 42.8s+65°20' 44"1.51980.7428121.57.7
30 十月 201704h 51m 00.8s+66°18' 43"1.52170.7462121.47.7
31 十月 201704h 51m 13.8s+67°15' 33"1.52380.7499121.37.7
01 十一月 201704h 51m 21.5s+68°11' 13"1.52590.7538121.27.7
02 十一月 201704h 51m 23.4s+69°05' 39"1.52820.7580121.17.7
03 十一月 201704h 51m 19.1s+69°58' 51"1.53060.7624120.97.8
04 十一月 201704h 51m 07.9s+70°50' 47"1.53320.7671120.87.8
05 十一月 201704h 50m 49.2s+71°41' 26"1.53580.7719120.67.8
06 十一月 201704h 50m 22.4s+72°30' 45"1.53860.7770120.57.8
07 十一月 201704h 49m 46.7s+73°18' 46"1.54150.7822120.37.8
08 十一月 201704h 49m 01.2s+74°05' 25"1.54450.7877120.17.9








牧夫最后一个大佬 发表于 2017-8-3 13:35

期待能达到6等以上。这个月有机会就去试试。

1401511998 发表于 2017-8-3 16:04

真不错, 感谢分享。!

netantsboy 发表于 2017-8-3 16:42

是不是每个星星都是会发光发亮,是不是代表它们是恒星呢?

急速流星 发表于 2017-8-3 19:44

替代

追逐者 发表于 2017-8-3 20:23

牧夫最后一个大佬 发表于 2017-8-3 13:35
期待能达到6等以上。这个月有机会就去试试。

那我就可以试试80大双了

ggb211 发表于 2017-8-3 20:51

mark

suhuasky 发表于 2017-8-6 13:28

长尾巴了


DRH 发表于 2017-8-12 09:53

为什么这颗彗星在虚拟天文台里无法添加轨道呢?

DRH 发表于 2017-8-12 10:01

DRH 发表于 2017-8-12 09:53
为什么这颗彗星在虚拟天文台里无法添加轨道呢?

好了,但是现在只有14等。。。怎么回事啊?

SpacecoreAXN 发表于 2017-8-19 00:44

netantsboy 发表于 2017-8-3 16:42
是不是每个星星都是会发光发亮,是不是代表它们是恒星呢?

每个恒星都会发亮(但是你不一定看得到),夜空中每个发亮的星星不一定就是恒星(例如太阳系的某些行星)

suhuasky 发表于 2017-9-24 10:20




C/2017 O1
Taken by michael jäger on September 23, 2017 @ Weißenkirchen Austria


Details:
http://spaceweathergallery.com/images/spacer.gif
1.56 UT L-8x150sec
RGB 180/180/180
12/4 G3-16200 3x3




Two Comets Near M45
Taken by Yasushi Aoshima on September 18, 2017 @ Ishikawa, JAPAN


Details:
http://spaceweathergallery.com/images/spacer.gif
Comet ASASSN (C/2017 O1) and PANSTARRS (C/2015 ER61) near M45 through a small window in many clouds.

Data: EF300mmF2.8L USM, CanonEOS6D, 12800 ISO, 34x60sec stacked (14:55-19:25 UT), FOV: 4.5 x 7°, North: left
http://spaceweathergallery.com/images/spacer.gif

转自http://www.spaceweather.com/



目前观测情况

牧夫最后一个大佬 发表于 2017-9-24 10:38

本帖最后由 牧夫最后一个大佬 于 2017-9-24 12:26 编辑

拍的真漂亮。ER61那么暗,居然尾巴还那么长

cbdd203 发表于 2017-9-24 16:41

半小时?

treconn 发表于 2017-9-28 00:28

有没有拍下来照片?欣赏一下。

bawind 发表于 2017-11-27 09:08

大片!好美啊!M45+慧星不得了不得了!

请问12月中的时候还有可以拍的慧星吗?慧星在多少亮等时可以用天文望远镜拍呢?我搜了一下,一般都16等以上了,这是不是拍不到呢?谢谢
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