| 1. | Who say thathite a wird in the southern quadrant 说出现在南部象限仪上的一只白鸟 |
| 2. | Stars shine - " 2006 quadrantids meteor shower 观星乐象限仪座流星雨2006 |
| 3. | The quadrant built in qing dynasty 象限仪清代制造 |
| 4. | 2006 quadrantids meteor shower 2006象限仪座流星雨 |
| 5. | The constellation quadrans muralis will rise at 0 : 15 . during the maxima , it is about 15 degrees from the northeast horizon 象限仪座在1月4日凌晨0 : 15分升出地平线,在极大期间,于东北方距地平线约15度的低空。 |
| 6. | Quadrans muralis latin for mural quadrant was an obsolete constellation locating between the constellations of draco and bootes 象限仪座是个已被弃用的星座名字,位置介乎天座与牧夫座之间,但流星观测者仍然沿用这个名称。 |
| 7. | An early instrument for measuring altitude of celestial bodies , consisting of a90 = graduated arc with a movable radius for measuring angles 象限仪用来测量天体纬度的一种早期工具,由一个有90度刻度的圆弧和一个用来测量角度的可移动的半径构成 |
| 8. | Camera lens should be set to infinity with maximum aperture . then point the camera to quadrans or neighbour constellations for a 5 - minute exposure time and try your luck 将镜头对焦至无限远,对准象限仪座或其邻近星座,把光圈调至最大,曝光5分钟,应有收获。 |
| 9. | This year , the waxing moon which sets early will have no inference at all . however , even with the most optimistic prediction and the best observing environment , there will only be around few hundreds of meteor , hardly comparable with 2001 leonids 2006年当日,月球早已西落,不会影响观测,但即使最乐观的估计及最佳的观测环境下,象限仪座流星雨与2001年的狮子座流星雨仍有很大距离。 |
| 10. | Although the radiant will be in constellation quadrans , do not look directly there . a distance between 40 to 60 degrees away is optimal . therefore , an observation site with unobstructed view , especially the northeast , is essential 虽然流星雨辐射点在象限仪座,但流星出现时不一定是辐射点附近天区,而是距离辐射点40至60度的地方,所以请选择天空视野开阔的地点进行观测,最重要是西北方无遮挡。 |