If you want more info on why ASCOM was created and how ASCOM (Alpaca and COM) works, see the About Alpaca and ASCOM section.It tells the story in pictures. Otherwise proceed to the section that addresses the reason you came here, in the orange menu on the left.

Chapter 2 Introduction to Master Interfaces This is intended to be our master generic document or the ASCOM interfaces. The interface specifications are written using language and OS independent syntax.For more information

FEATURED AlpacaScope - SkyFi to Alpaca Gateway (cross-platform) This is a cross-platform program (Linux, Mac, and PC) that emulates Simulation Curriculum's SkyFi device to allow their SkySafari Plus and SkySafari Pro Apps to use Alpaca to talk to any ASCOM compatible telescope plugged into a Windows PC (by way of ASCOM Remote). No physical SkyFi needed. Of …

As of August 2022, we no longer host drivers here. Drivers formerly hosted here have been moved to the ASCOM Ghost & Legacy Drivers repository on GitHub.. Download Center. This page lists items that the ASCOM Initiative has made available for download.

Alpaca: Alpaca API Reference V9 (May 2023) NOTEWORTHY. This document is the technical reference for the ASCOM Alpaca APIs and describes how to use them (also available in PDF).Also described is the ImageBytes High Speed Image transfer Protocol, as well as the Alpaca Discovery protocol and some of the fundamental behavioural principles that underly …

Telescope pointing state. Namespace: ASCOM.DriverAccess Assembly: ASCOM.DriverAccess (in ASCOM.DriverAccess.dll) Version: 7.0.2+4675.eda3c55e

In line with previous Platform installers, 7.0 is a cumulative release that contains all enhancements and fixes from previous Platform releases and service packs. The Platform environment pre-requisites are listed here Platform Prerequisites.

Exception Condition; TransformUninitialisedException: Exception thrown if an attempt is made to read a value before any of the Set methods has been used or if the ...

Returns the Declination in topocentric co-ordinates. Exception Condition; TransformUninitialisedException: Exception thrown if an attempt is made to read a value ...

ASCOM Video Collection by Video Standard Author (external link) Drivers for video cameras as well as a C# client reference implementation for using video via ACSCOM and some anecdotal info on the 2 year development of this new ASCOM Standard and tools.