RE: Photometry

[Tom Droege <tdroege2@earthlink.net>]

Amen! Brother!

But we can't do it for a survey, so we have to live with 
it.  Sigh!  Suppose we get a good set of photometric reference stars 
sometime in the future.  Then we could re-run all the data and possibly get 
a better result.

Then we would want to keep the raw images.

OK, folks, it is a trade off.  Keep the modified images so that we can see 
interesting objects, or keep the raw data so that we can reprocess 
everything some day.

My bet is that I will die before I reprocess everything again.  I think no 
one else will do it.  So I have opted to keep the modified images.  If we 
really want to reprocess everything, then we can probably unfold the 
modified images back to their original form except for the edge pixels 
which get thrown away.  They should not matter.  So I am saving only the 
modified images and will do so until someone talks me out of it.

Tom Droege

At 09:51 PM 6/7/03 -0400, Michael Gutzwiller wrote:
>2) The same comparison stars are used in each frame.  This is surprisingly
>important, even when quite a few comparison stars are used.