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Thanks for the replies, a collegue and I have carrying out a program of double star measurements for about four years now using the Washington Double Star Catalogue. On quite a number of occasions we are finding the listed magnifications of either component stars seems incorrect or even not listed. We have been using just the Basic Meade DSI version 1 with good results, and if the Autostar Suite program has the ability to provide magnitude estimates we can include this data as well. We are not necessarily looking for measurements down to two decimal places, but an estimate within say half a magnitude would be a big help in updating the accuracy of the WDSC records.
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