主題: 45P/Honda-Mrkos-Pajdusakova彗星 回來了 2017年 2月最亮 作者: peter 於 2016-11-10 22:08:33 http://www.universetoday.com/131745/preview-comet-45phonda-mrkos-pajdusakova-brightens-december/
February 2017 最亮 (http://www.universetoday.com/wp-content/uploads/2016/11/Nov-Dec15-580x337.jpg) 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. (http://www.universetoday.com/wp-content/uploads/2016/11/grqph-580x396.jpg) 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。 |