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主題: NEO 2004 BL68 on 26-27 January, 2015 作者: peter 於 2015-01-22 08:33:29 NEO 2004 BL68 on 26-27 January, 2015
http://www.itelescope.net/sky-alerts/2015/1/21/alert-neo-2004-bl68-on-26-27-january-2015.html (http://www.itelescope.net/storage/2004BL86_Maynill_Chart.png?__SQUARESPACE_CACHEVERSION=1421846081448) Near Earth Asteroid 2004 BL68 will come close to Earth on 16:20 UT 26 January at distance of 0.008 AU (around 3.1 Earth-Moon distances). It is brightest at 04:00 UT on the 27th though. It has an estimated diameter of 680m. The asteroid is currently magnitude 16, and will be a reasonably bright magnitude 9.0 at closest approach. 主題: 回覆： NEO 2004 BL68 on 26-27 January, 2015 作者: 大瘋起嘻 於 2015-01-22 09:39:46 這樣算最接近的時候大約120萬公里
主題: 回覆： NEO 2004 BL68 on 26-27 January, 2015 作者: 大瘋起嘻 於 2015-01-22 09:43:44 beehive cluster 就是鬼宿星團 M44
主題: 回覆： NEO 2004 BL68 on 26-27 January, 2015 作者: peter 於 2015-01-22 10:52:59 還是很暗.只有靠近會亮些
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