ctibor@brancik.cz Ctibor Brančík PHD2 is the next generation of Stark Labs PHD Guiding. PHD2 provides a number of new features and enhancements over the original PHD1, such as A more responsive user interface, with a new multi-threaded design Improved visualization tools for observing guiding performance in units of arc-seconds or pixels Declination-compensated guiding, eliminating the need for recalibrating when switching targets Support for guiding with Adaptive Optics units Equipment profiles for managing multiple guiding configurations Internationalization improvements, with French, German, Japanese, Polish, Russian, and Simplified Chinese translations available A new server interface for controlling and monitoring PHD2 by other imaging applications New tools, such as a polar drift alignment tool and a calibration step size calculator, a Comet tracking mode, and more Dark-frame libraries and Bad-pixel maps andy.galasso@gmail.com Andy Gallasso http://openphdguiding.org/ https://sites.google.com/site/openphdguiding/phd2-drift-alignment https://code.google.com/p/open-phd-guiding/issues/list open-phd-guiding