Drivers use widespread ASCOM standard for controlling of CCD
cameras from various programs, supporting this standard (ASCOM
abbreviation suggest usage of COM—Component
Object Model—for integration of all
observatory devices used in AStronomy). ASCOM defines numerous
software interfaces to control not only CCD cameras, but also filter
wheels, motorized focusers, telescope mounts, observatory domes etc.
ASCOM standard is usable under Microsoft Windows operating systems.
More on the http://ascom-standards.org/ site.
It is necessary to install ASCOM drivers, because they are
registered within the operating system (to be available to various
programs). It is not enough to copy respective driver files into some
folder. This is why ASCOM drivers are supplied as executable files
(with .exe extension). These files are digitally signed to ensure
There are two driver installation packages
guiders and cameras of G1 series (including the new G0
AscomGxCCD_Setup.exe—for cooled G2
revision 3+, G3 and large-format G4 series of CCD cameras. This
driver also includes interfaces for controlling of filter wheels,
embedded in these cameras, or external filter wheels attached to
When the installation finishes and ASCOM driver is chosen in the
particular program, drivers are offered in the standard camera
choosing dialog box.
Camera choosing dialog box with ASCOM drivers
Gx camera ASCOM drivers offers other features, like the ability to
select one of multiple connected cameras of the same type (including
the automatic enumeration and displaying of connected cameras in list
box), ability to select camera read mode, setting of the maximal
cooling/heating speed in the case of cooled cameras etc. These
parameters can be defined in dialog boxes available from configuration
window. All these properties are described in the PDF documentation,
supplied together with the driver themselves.
Drivers can be downloaded from the download section of this WWW site.