I just read the post of the bright geosynch. flasher. I want to post a brief note of information for those seesat members who may have little familarity with telescopic observations. Various optical systems usually present a view of the sky which can be both reversed( east-west) and inverted(north-south). Many posters to a group like sci.astro-amateur are reporting telescopic observations and are FAILING to note that their view is inverted( for example). Thus whenever I can't make sense of an observation, usually what satellite passed through my field of view, I question the observer on this issue. Just a note for the interest of the group. On Prozac till the sky is clear... Sreve Bolton