45P/Honda-Mrkos-Pajdusakova彗星 回來了 2017年 2月最亮

[peter]

http://www.universetoday.com/131745/preview-comet-45phonda-mrkos-pajdusakova-brightens-december/
 February 2017  最亮



2016年 12月

November 23rd: Venus passes 6′ from the comet.

December 12th: May break 10th magnitude.

December 14th: Passes near M75.

December 15th: Crosses into the constellation Capricornus.

January 4th: Passes near the +4th magnitude star Theta Capricorni

January 10th: Crosses the ecliptic northward.

January 16th: Passes into Aquarius.

January 22nd: Passes near NGC 7009, M72 and M73.

January 25th: Passes 8 degrees from the Sun and into the dawn sky.

January 28th: Crosses into Aquila.

February 3rd: Crosses the celestial equator northward.

February 4th: Passes 4′ from the star +3.3 magnitude star Delta Aquarii.

February 6th: Crosses the Galactic equator.

February 7th: Crosses into Ophiuchus.

February 9th: Crosses into Hercules.

February 16th: makes a wide pass near M3.

February 19th: Drops back below +10th magnitude.




2011
http://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=13890.0


http://tamweb.tam.gov.tw/v3/tw/content.asp?mtype=c1&idx=319
預估下一次2016年回歸時，將於2017年2月，以0.085AU的近距離掠過地球，屆時對北半球而言的觀察條件就會很棒了。