天文CCD观测的星象定心算法  

An Algorithm of Locating the Center of a Stellar CCD Image

作　　者：杨旭海[1] 马红皎[1] 胡永辉[1] 

机构地区：[1]中国科学院陕西天文台,陕西省临潼710600

出　　处：《陕西天文台台刊》2000年第2期143-149,共7页Publications of The Shaanxi Astronomical Observatiory

摘　　要：针对目前常见的地面光学观测系统 (天文望远镜和CCD系统 ) ,提出了一种快速确定恒星星象中心的算法———逐次逼近法。该算法采用逐次逼近的思想 ,可快速准确地确定恒星星象的中心。并采取了一些措施 ,较好地削弱了大气湍流的影响。该算法从整个系统的角度来分析和解决问题 ,很适应于计算机自动处理 ,具有实用性强 ,速度快的特点。还利用VC + +开发了一套基于WindowsAn effective algorithm of locating the center of stellar image is presented for the optical observation system of the astronomical telescope equipped with the CCD system on the ground. This algorithm is realized with the idea of gradually approaching and the influence of atmosphere turbulence is reduced, so that it is characterized by high speed and good precision. In addition, a software is developed with VC++ for Windows 98 to realize the image capturing and processing.

关 键 词：天体测量 大气湍流 CCD 逐次逼近法 星象定心算法 恒星 

分 类 号：P12[天文地球—天体测量]