[Aavso-photometry] CCD Observations

Steven Orlando sorlando at sorlando.com
Sat Oct 13 15:24:49 EDT 2007


Hello All!

I do my mag observations by imaging two Landolt fields at high and low airmass, and then image the target. I calculate the transforms, ZP and extinction coeff using Photored, and then I use photored's differential photometry routine to get the transformed mags of the target.

I normally don't use AAVSO charts for this, I use catalogs and The Sky to get mags.

When we use webobs, we can't submit unless we use an AAVSO chart.

How should I report this? I sometimes get my mags from "The Sky" using Tycho or UCAC2 Stars, not AAVSO charts.

Steve


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