Sub guide camera interfaces

[skysculptor]

Hi jus wondering are the shoestring Gpusb and the hitecastro usb guider basically the Same thing? Ie they both control usb webcams and or guide cams for auto guiding? Via PhD or the like Or does it depend on which camera you use?

Thanks

[lensman57]

Hi jus wondering are the shoestring Gpusb and the hitecastro usb guider basically the Same thing? Ie they both control usb webcams and or guide cams for auto guiding? Via PhD or the like Or does it depend on which camera you use?

Thanks

They do the same job but do not control anything. They just relay the correction command from PHD guiding to the mount ST4 port. PHD receives the guide star image from the guide camera through the laptop / pc calculates the centroid and measures the drift then issues correction commands sent via GPUSB to the mount. Hope this is of help.

A.G

[kalasinman]

Some cameras don't require the interface and can connect direct with only the ST4 cable, like the QHY5L-II. The mount must have a guide port. then cable mount to camera.

[skysculptor]

Thanks yes that helps! So it's jus a matter of choice as to which one you get? The hitecastro astro one is £20 cheaper!

[skysculptor]

Mount has st4 port camera doesn't hence the need for an interface!