What's Changed
* Improve NaN propagation when mapping by ortk95 in https://github.com/ortk95/planetmapper/pull/173
* Move centre_disc from Observation to BodyXY by ortk95 in https://github.com/ortk95/planetmapper/pull/174
* Update version number by ortk95 in https://github.com/ortk95/planetmapper/pull/175
**Full Changelog**: https://github.com/ortk95/planetmapper/compare/v1.4.5...v1.4.6