可疑2彗星 尋求同好幫忙觀測 M503ujx + 星明天文台發現 C/2015 F5 (SWAN-XINGMING)

[peter]

http://www.astrogalaxy.ru/forum/phpBB2/viewtopic.php?t=5099&p=98036



https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/24619

一說可能南半球可以看到

最亮可能是6 等


何時再給北部一些大彗星阿

[peter]

XMAAGS
http://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=24051.0

potential COMET
http://www.itelescope.net/sky-alerts/2015/4/9/alert-new-potential-comets-xmaags-and-m503ujx-observation-re.html


M503ujx   magnitude 11
Location of potential comet M503ujx as seen from the SSO scopes at astronomical twilight in the morning. At the moment it is in the same field of view as comet 88P/Howell from T12

[peter]

http://www.itelescope.net/sky-alerts


Maciej Reszelski has produced some preliminary orbital elements for comet M503ujx (see below). The comet currently comes to perihelion on May 21.

Despite the magnitudes listed on the map, Michael Mattiazzo suggests it may possibly reach magnitude 6 in mid-May evening skies, passing through Eridanus and Lepus, with an Earth approach of 0.47AU.

Orbital elements: M503ujx
Perihelion 2015 May 21.866977 +/- 541 TT; Constraint: e=1
Epoch 2015 Apr 8.0 TT = JDT 2457120.5 Earth MOID: 0.1310 Reszelski
q 0.780478 +/- 4.35
H 9.9 G 0.15 Peri. 255.985 +/- 900
Node 109.350 +/- 80
e 1.0 +/- 0 Incl. 149.288 +/- 700

https://twitter.com/sungrazercomets

[peter]

http://www.astronomy.com.cn/bbs/thread-309910-1-1.html

星明天文台发现新彗星C/2015 F5 (SWAN-XINGMING)
今天(2015年4月11日）凌晨3点，国际天文联合会公告，由星明天文台孙国佑、高兴两位业余天文爱好者发现的新彗星C/2015 F5 (SWAN-XINGMING)正式命名为斯万-星明彗星，这是大陆业余天文爱好者发现的第五颗彗星，也是星明台发现的第三颗彗星