= Spatial zero point variation relative to SDSS (Eddie Schlafly) =

I promised I'd show some examples of this during DRAVG.  Here are figures from ten arbitrary fields from the July MD release.

[[Image(pssdsszptvary_plot00.png)]]
[[Image(pssdsszptvary_plot01.png)]]
[[Image(pssdsszptvary_plot02.png)]]
[[Image(pssdsszptvary_plot03.png)]]
[[Image(pssdsszptvary_plot04.png)]]
[[Image(pssdsszptvary_plot05.png)]]
[[Image(pssdsszptvary_plot06.png)]]
[[Image(pssdsszptvary_plot07.png)]]
[[Image(pssdsszptvary_plot08.png)]]
[[Image(pssdsszptvary_plot09.png)]]
[[Image(pssdsszptvary_plot10.png)]]
[[Image(pssdsszptvary_plot11.png)]]