If you find errors or omissions, or have suggestions for making the user guide more effective, please enter them in this 'VPHOT User Guide Suggestions' thread.
From the first CHOICE course on VPhot-
In another thread you posted the formula that VPhot uses for SNR and errSNR. I think it would be very useful to have this in the Users' Guide, if not in the main body at least in an appendix.
I'm trying to find the formulas for calculating the transformed magnitudes for BVRI observations. Can someone tell me what they are? It might be nice to have in the manual.