Frequently Asked Questions

In order not to inflate the documentation of interfaces with details and best practices, these articles provide information and requirements that relate to one or more interfaces.

• Asynchronous Operations in ASCOM
• What is the “read all” feature and what are its rules?
• TimeStamp Value
• MaxADU, ElectronsPerADU, and FullWellCapacity in the Camera Interface
• State Transition Diagram for Camera.CameraState
• The Dome Interface seems complex and confusing. Help me.
• What are the Angles that Rotator uses, and How Do They Relate?
• Synchronous Slewing in the Telescope Interface
• Managing a Telescope Mount’s Knowledge of Time and Place
• What is the meaning of “pointing state” in the docs for SideOfPier
• What does MoveAxis() do and how do I use it?
• What are the equatorial coordinate reference frames?
• What is DestinationSideOfPier and why would I want to use it?
• What are RightAscensionRate and DeclinationRate and how are they used?
• What Does PulseGuide() Do? I’m Confused.
• The Switch Interface seems complex and confusing. Help me.
• What do we mean by the terms Mandatory, Optional and Deprecated?