The eclipse of theta A Orionis went as scheduled late Friday/early Saturday. Gene Lucas and I spent some 5 hours braving the cold in shifts to get around 300 BVRI images of theta Orionis. It will be several days before the data is reduced, but for those interested an out-of-eclipse and in-eclipse image taken with a V filter can be seen at: http://www.hposoft.com/Astro/TOE.JPG The images were 0.5 second exposures through a V photometric filter using a 12" LX200 GPS and modified DSI Pro CCD camera with Meade AutoStar software. Both theta A and B can be seen in eclipse. Theta B eclipses around every 5 days where theta A eclipse around 65 days. For comparison look at theta D before and during eclipse and compare to theta A. Out-of-eclipse theta A and D are both around 6.7 magnitude. If any one else observed this I would be interested in hearing from them and if they have data, see the data. Gene and I plan to attempt the next eclipse in February in hopes of getting a more complete set of light curves. If anyone would like to learn more about CCD photometry and give us a hand, it could prove beneficial to all. Doing all night photometry in revolving shifts makes work much easier. Jeff -- Jeff Hopkins HPO SOFT Counting Photons http://www.hposoft.com/Astro/astro.html Hopkins Phoenix Observatory 7812 West Clayton Drive Phoenix, Arizona 85033-2439 U.S.A. www.hposoft.com -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.