[Aavso-photometry] Software for combining time series data taken with different filters to calculate transformed magnitudes

[Dirk Terrell]

On 9/5/2008 Michael Newberry wrote:
> And I agree with yout excellent advice. But I would add one caveat: 
> Don't do it when observing transients (e.g., UV Cet stars, etc.) or 
> other rapidly varying objects. Averaging symmetrically paired 
> observations, you still are assuming that the variation is linear 
> between the points. And, of course, the length of time between the 
> middle of the paired exposures can be important too.
> 

Yes, that's why I reinforced your comments about being aware of the 
timescale issues. If the variations are short compared to the observing 
cadence, you can end up with total nonsense.

Dirk