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QHY PoleMaster

Prijs: 322,00 EUR

Product Details

QHY PoleMaster - a high precision, easy to use electric polar scope

Achieving a high precision polar alignment is not an easy feat. You may spend a lot time on it yet you do not know if it is really well aligned and you never know how good it is aligned. After you get everything ready and begin taking exposure, you touched the mount by accident, you have to restart from the beginning, perfrom polar alignment, three star alignment, goto the target and begin taking exposure again. You may waste another hour to do that and to your dismay you realise the sun is rising...

PoleMaster is a new invention of QHYCCD and it can solve these problem perfectly. It gives you a direct and simple way to align with the pole. Within two minutes you could obtain very high polar alginemnt precision up to 30 arcsec.

Technology Overview

How to get the pole well aligned. The simplest idea is just to find the true north point and match its position with the rotation center of the RA axis. QHYCCD's PoleMaster employs this idea. This device can be installed on front of the RA axis, It use a highly sensitivity camera to capture the image of northern sky. The sensitivity is much higher than the naked eye, so it can see not only the polaris but also some faint star nearby. Based on the locations of these stars, it can calculate the position of the true position of north pole. With some sophisticated methods the PoleMaster can also detect the rotation center of the RA axis. It will mark the two point on the screen, one is the RA rotation center, another is the virtual polar point. You can adjust the mount and let them overlap then the pole is well aligned.

To compare the old technology of the polar alignment. The advantages of PoleMaster are :

Fast, Easy and Comfortable: You do not need to rotate the telescope to some positions to allow the polar scope to see the sky. You do not need to lie down or squat to adjust the mount. You do not need switch off all the lights and observe through the polar scope carefully to find the pole star. You do not need to input the date and time, rotate the mount to a strange angle. you do not need to adjust the horizontal balance anymore.

High precision. The pixel resolution of this PoleMaster is approx.. 30arcsec/pixel. The image sensor itself can be regarded as a good ruler. Much more precise and sensitive than the naked eyes. In best condition, it can get pole precision down to 30 arcsec.

Wide field. Easy to find the north star. The PoleMaster has a 15*10 degree field of view. You can find the north star easily.

Can be installed on any mount. PoleMaster can installed on any mount with a suitable connector. Even your mount has no polar scope, that doesn't matter.

Pole Monitor/align at any time. With PoleMaster you can monitor the polar alignment at any time. When the mount is moved by accident, you can adjust it back directly without redo the whole process.

No Need 3-Star Calibration Anymore. After done aligenment by PoleMaster, your mount does not need 3-star calibration anymore. Just using the 1-star calibration or single star sync you can get your mount ready for GOTO.

Support both north and south hemisphere
Product Specificaties

Field of View
11 degree * 8 degree
apporx 30arcsec
Install method
Three M3 screw to mount adapter
mini USB2.0
QHYCCD PoleMaster Software
Rough precision
Approx 5 arcminute
High Precision
Max 30arcsec

See mechanical drawing
Power Consumption
Apporx 0.35Watt 70mA
Availiable Adapter
EQ6/AZEQ6 HEQ5 iOptonCEM60 ZEQ25/CEM25 iEQ45 iEQ30
AZEQ5 Celestron AVX CGEM 
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