We report on a preliminary analysis of a 5600 sec per point survey of 32 square degrees in Centaurus, carried out with the Parkes 13-beam system. The signal-to-noise ratio is found to improve as for the whole integration. We have detected 102 HI sources between +250 and +12,700 km sa?’1 either by eye or by using the new galaxy-finding algorithm PICASSO. Over half of these are new HI detections. Around a dozen of these are not associated with catalogued galaxies and, in two of these cases, we have not identified an optical counterpart on the Digitized Sky Survey. Arguments are put forward to explain why deep integrations are needed to find low surface brightness objects.
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机译：我们报告了使用Parkes 13光束系统进行的半人马座32平方度每点测量5600秒的初步分析。发现对于整个积分，信噪比提高了。通过肉眼或使用新的星系发现算法PICASSO，我们已经在+250至+12,700 km sa？’1之间检测到102个HI源。其中一半以上是新的HI检测。其中约有十二种与分类星系无关，在其中两种情况下，我们尚未在“数字化天空调查”中找到光学对应物。提出了一些论点来解释为什么需要深度积分才能找到低表面亮度的物体。
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