ObsReduce is my MS Windows program that reduces observations of satellites relative to the background stars into their precise coordinates. Observers identify their reference stars in a simulated binocular or telescope field of view, select them using the mouse, enter the observed geometric and positional data, and the program automatically produces a formatted observation report. ObsReduce supports all three reporting formats in common use: IOD, UK and RDE (Russell Eberst's abbreviated form of the UK format.) All R.A. and Dec formats and epochs are supported, as are visual magnitude and optical period reporting. ObsReduce supports three observational geometries: satellite in-line with reference stars, satellite forming right-angled triangle with reference stars, and appulses (satellite passing near a single star). Several star databases, derived from the Tycho 2 catalogue, are available for ObsReduce. The magnitude 8.5 database, includes nearly 72,000 stars, The magnitude 10.5 database includes more than 540,000 stars. The magnitude 12.0 database includes more than 2 million stars. The complete set of Tycho 2 stars is also available, consisting of more than 2.5 million stars, to about magnitude 13. The manual and a screenshot are available here: http://www.satobs.org/programs/ObsReduce/ReadMe.html http://www.satobs.org/programs/ObsReduce/ObsReduce.jpg Download and Installation information is here: http://www.satobs.org/programs/ObsReduce/ObsReduce.html Thank you to all who helped beta-test ObsReduce and provided helpful advice. Ted Molczan ----------------------------------------------------------------- To unsubscribe from SeeSat-L, send a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@satobs.org List archived at http://www.satobs.org/seesat/seesatindex.html
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