Steve, Here is Brian's file: ftp://ftp.lowell.edu/pub/bas/dbls.fil You might be able to add more equal-magnitude doubles to the list by playing With the settings of your desktop planetarium software. Megastar has magnitude filters only for primary and secondary, not deltas, unfortunately. Tom --- Tom Polakis Tempe, AZ Arizona Sky Pages http://www.psiaz.com/polakis/ -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.