That's Orion not Qrion. :-) Jeff At 11:58 -0700 11/5/06, Jeff Hopkins wrote: >Check >http://www.aavso.org/vsx/index.php?view=detail.top&oid=24079 > >and http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM > >I'm curious why the interest? > >Qrion has thousands of variable stars in it. What would be >interesting would be to follow it with filter photometry. MY plate is >pretty full right now so I can't devote instrument time to it. It >would be an easy CCD BVRI project, however. It might give a good idea >about the star colors and show different eclipse depths in different >bands. > >Jeff > >At 10:50 -0700 11/5/06, Tom Polakis wrote: >>At the last SAC meeting, Paul Dickson informed us of a favorable >>minimum of the eclipsing bnary star Theta 1 Orionis A in the >>Trapezium in the Orion Nebula. Mid-eclipse occurs just after >>midnight on December 2, when the star will be magnitude 7.7. >> >>I wondered where I could find a good light curve that would describe >>how rapidly it fades and brightens. I came up empty when I tried >>the AAVSO light curve generator, and Googling for images was equally >>fruitless. >> >>Tom -- 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.