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User Manual

QHY10/QHY12

Color Astronomy Cooled Camera

QHY10/QHY12 User Manual V1.0

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Summary of Contents for QHY10

Page 1: ...WWW QHYCCD COM User Manual QHY10 QHY12 Color Astronomy Cooled Camera QHY10 QHY12 User Manual V1 0 ...

Page 2: ...pply 2 Internal diameter of connection to DC201 is 2 1mm 3 Tip positive Please note the reverse polarity will cause damage for camera and a plug with a different internal diameter won t work CONTENTS 1 SAFETY PRECAUTIONS 2 2 STANDARD EQUIPMENT 3 3 SEPARATELY SOLD ACCESSORIES 5 4 CAMERA STRUCTURE AND INTERFACE CONNECTION 6 5 CAMERA DRIVERS INSTALLATION AND QUICKLY MASTERING 7 6 DC201 IINPUT VOLTAGE...

Page 3: ...d in your camera package If anything is missing contact the retailer from which you purchased the camera WWW QHYCCD COM QHY10 or QHY12 Camera 1 Center and Tilt Adjustment Ring 2 USB Cable 3 DC201 DC Power Supply 4 9pin Power Cable 5 Desiccator Silicon Gel Tube only one 6 ...

Page 4: ...l 2 Accessories Sold Separately Contact your dealer for pricing and ordering information WWW QHYCCD COM 6 相机接口及说明 1 Camera Front Part 2 Air Hole for CCD chamber 3 M42 0 75 Inner Thread Depth 3mm 4 IR Cut Optic Window 5 Heat Sink Exhaust 1 2 3 4 8 7 6 9 6 9pin Power Socket 7 USB Socket 8 Guiding Control Port 9 Heat Sink Air Intake 5 ...

Page 5: ...ccessfully connected with the computer Download driver version detector from www qhyccd com download Unpack it and run cameraversion exe click QHY10 or QHY12 and ensure that the driver version matches what you ve downloaded Use the 9 pin cable to connect DC201 and QHY10 12 Please note the 9 pin cable has one end with EMC ring This end should be connected to the DC201 and not the Camera DC201 requi...

Page 6: ...he temperature of the camera drop below the dew point dew or ice may form on the camera This is simply a law of nature However ice and or dew which form on the surface of CCD chip or optic window will impact your images If dew or ice forms on the surface of CCD the water can flow onto the electric board which leads to short circuit or data corruption It is critical that you avoid dew or ice format...

Page 7: ...lative humidity in the CCD sealed chamber will get lower Please note too high of a pressure can damage the CCD chip and the cooling system If the cooling temperature is too low in a high humidity environment the CCD optic window may collect dew This is because the temperature of the window is too low The QHY10 12 uses 3mm thick optic glass Although this glass should prevent dew follow this procedu...

Page 8: ...ber is sealed and dry If there is a lot ice crystals around the chip this indicates a high relative humidity in the CCD chamber You must dry the CCD chamber 2 Check the air tightness of CCD sealed chamber You can check this by increasing the internal pressure of the CCD sealed chamber with a hand pump do not exceed 1 01MP Then watch if the pressure drops If the pressure drops quickly this indicate...

Page 9: ...ome pixels of color gradient at the beginning of each line The problem can be corrected through the BIAS field Some of your CCD Images may have a slight red to green gradient from top to bottom This is because the pixel readout accumulated greater thermal noise unevenly the thermal noise of pixel readout later is bigger than the thermal noise of pixel which readout earlier Color gradient is the re...

Page 10: ...install mechanical shutter of QHYCCD Please contact your area dealer or QHYCCD to consult about the supply of mechanical shutter About controlling for BLOOMING QHY10 12 CCD chip have the 100dB ainti overflow foundation Anti overflow capacity is slightly lower than QHY8PRO of 110dB So there is possible to overflow for shooting very bright target For the overflow problem of SONY CCD chip please inst...

Page 11: ...ith a manual air pump If there is dirt that doesn t come off with the air pump you can use lens paper or a commercially available SLR camera cleaning kit Here is the correct procedure to follow with the lens paper 1 Wash your hands with soap 2 Take a piece of lens paper and fold it once or twice do not fold too many times as the lens paper will get very sharp and the edges may scratch the CCD glas...

Page 12: ...e captured images can use the Noise Analyze function of EZCAP 4 The ideal average value is around 500 to 1000 If the value is higher then you should reduce the OFFSET If the value is lower then you should increase the OFFSET 5 Repeat steps 2 4 to obtain the ideal OFFSET value Note A For some QHYCCD products when you use bin modes of 2x2 3x3 4x4 images may reach 65535 even with gain set to 0 6 Open...

Page 13: ...10 12 back focus distance The back focus length of QHY10 12 is 20mm as shown without the center and angle adjustment ring If you connect the center and angle adjustment ring the rear cut off distance will increase by about 3mm WWW QHYCCD COM ...

Page 14: ...appropriate range The Histogram intensity usually can be observed stretch at the different section make this area is just the scope of Histogram 1 2 3 4 5 6 7 Using the Center and Angle Adjustment Ring There is a M42 0 75 thread on the QHY10 12 which can connect directly with the telescope If it needs adjustment then the center and angle adjustment ring should be used Center adjustment unscrew the...

Page 15: ...y column to choose the appropriate range Click Live Focus option again Click the area of image to get a more precise target At this point it will show the analytic curve in the Screen View column and a 5x zoom focus image While it s exposing the FWHM column will show the width of stars and the intensity of the star point peak Generally smaller FWHM and bigger peak intensity indicate the better foc...

Page 16: ...of the cooler It can be adjusted by the PWM regulation section on the left The range of regulation is from 0 to 100 Auto Control will adjust the power of the cooler dynamically to maintain a constant sensor temperature set by the user Images which are produced by EZCAP will cover the area of Overscan and Optic black as shown in the reference image on the right of this page Data from these regions ...

Page 17: ...like the value of GAIN OFFSET and the speed of read out Click the button of OK and back to the window Camera Control click the button of CONNECT Select the columns of Exposure from the window of Camera Control MAXIMDL ASCOM Connection Mode Select option of Find Star and set the exposure time Click to select the No Calibration from the popup menu of OPTION Set the merge mode with X and Y like choos...

Page 18: ...ect this mode and High Speed But when you get started to shoot you should cancel this mode and High Speed 1 2 3 4 Please download the latest version of the ASCOM from http ascom standards org If there is the latest UPDATE of ASCOM do it together Install ASCOM and its UPDATE According to the instructions about driver connection of ASCOM from http www qhyccd com download html download and install th...

Page 19: ...tion of QHY10 CCD Image calibration means to calibrate the CCD with a BIAS field a DARK field and a FLAT field You can completely remove thermal noise of the CCD through proper calibration Additionally you can obtain better image highlights You can remove dark spots which are caused by dust on the surface of the CCD Image calibration is a critical step for serious astronomical photography In order...

Page 20: ...en you shoot image So you have to cover the lens cap of camera Set Exposure Time to 0 and then use the low speed to shoot many 10 50 sheets BIAS image Save and overlap them Use the function of average overlapping do not match with position to get one BIAS Master image Save this image Partial Cropped BIAS Image B Capture DARK Image DARK Image means the image which of the exposure time is the same a...

Page 21: ...e then continuous shoot 10 50 frame flat field images Save and overlay these images to form a FLAT Master image save the image To obtain an accurate flat field calibration Please note the following matters You have to take immediately flat field images before the shooting or after finishing shooting Like do this in order to avoid dismantling the device dust on CCD surface and vibration of CCD caus...

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