PISCO speckle observations in 2004

We present relative astrometric measurements of visual binaries taken during the second semester of 2004 with the Pupil Interferometry Speckle camera and Coronagraph (PISCO) at...本文报道了2004年下半年依托光瞳干涉成像散斑相机与日冕仪（Pupil Interferometry Speckle camera and Coronagraph，缩写PISCO）于……处获取的目视双星相对天体测量数据。