Or you can also use lithium battery with 11-15V to power the camera. There are 4 different standards for different countries, make sure you selected the correct adapter when placing the order. If you don’t have one, click here to buy a 12V power adapter. Please notice that the camera needs to be connected to an external DC 12V power supply adapter for use (connector 5.5*2.1mm, center pole positive). A proper flat frame is a capture using an evenly illuminated light source, dimmed down to achieve an average ADU value of 24,000 (this is up to the user and their setup – recommended the histogram peak at 1/3 to 1/2 from the left, as shown in the figure below), a 5-second exposure, captured with the same gain and focus point as the light frames. The pattern calibrates out of the light image with proper flat frames. NO, it is not a defect, and it is just a characteristic of the sensor. I’ve heard there might be strange patterns on some ASI294MC Pro stretched images, does this mean the camera is defective? You may learn “What is Amp glow and how do I manage it?” here: Ģ. I noticed amp glow present on the corners of my dark frames, how should I remove it? Spacer thickness: 0.1mm *1+0.2mm *2+0.5mm *1 The best solution of 55mm back focus lengthġ. T2 extender 11mmĪSI294 Pro box includes all necessary cables, adapters, and manuals. There are 4 different standards for different countries, please make sure you selected the correct adapter when placing the order.Ģ. If you don’t have one, please click here to buy a 12V power adapter. We recommend you use DC adapter (5.5*2.1mm, center pole positive) or lithium battery with 11-15V to power the camera. Please notice that the camera needs to be connected to an external 11-15v power supply to implement the cooling function. Also, as the ambient temperature falls, the Delta T would also decrease. It might get down when the cooling system is working for a long time. *The Delta T 35-40℃ is tested at 30℃ ambient temperature. Thanks to the two-stage TEC cooling, ASI294MC Pro can lower the CMOS sensor temperature to 35-40 degrees Celsius below ambient temperature, which can greatly reduce dark current generation and sensor noise even during extended exposure times.
The integrated USB 2.0 hub is powered by the external power source if you connect one. The ASI294 Pro includes two short 0.5m USB 2.0 cables. USB 2.0 HUB: can connect with various accessories, such as filter wheel, guide camera and electronic focuser, so you can better manage your cables. USB 3.0 Port: Provide 5Gb bandwidth to make it possible for ASI294 Pro to run at 16 fps (14bit, normal mode) or 19 fps (12bit, high speed mode) at full resolution(11.7Mega). Please check the dark frame to make sure you fully know the performance. Dark frame sample Highest dynamic range settings, 300s, -10☌, bin1. The dark current of the ASI294 is a bit lower than the ASI1600 at same temperature, based on our test results. The IMX294 sensor is a BSI (backside illuminated type) sensor, which has very high QE (quantum efficiency, which we estimate is over 75% peak). Our camera design has been extensively tested and is very stable. Even when used in higher humidity environments, ASI294MC Pro will still work well without dew problems. There are four screws that seal the sensor chamber. Reliable MechanicsĪSI294MC Pro has the same mechanics as ASI1600 Pro. Even bright stars won’t saturate under long exposures. This also means that this camera can achieve higher SNR (signal to noise ratio) with just one single exposure.
#Andysea images with asi294 mc pro dark noise problem full
The ASI294MC provides a great full well capacity of 63700e-, which is 3 times higher than the capacity of the highly regarded ASI1600. Read noise will drop under 2e-, while dynamic range will remain at 13 stops. HCG (high conversion gain) mode, which reduces read noise to even lower levels at higher gain without loss to dynamic range, is automatically enabled when the gain setting is 120 or higher. At 13 stops, the ASI294MC has even more dynamic range than the ASI1600. This is an excellent characteristic for deep sky imaging, which inherently needs high dynamic range. The ASI294MC Pro has a 14bit ADC unit, allowing it to achieve 13 stops of dynamic range. Additionally, the use of a memory buffer minimizes amp-glow, which is caused by the slow transfer speeds when the camera is used with a USB 2.0 port.ĭDR memory buffer is the main difference between ASI “Cool” and “Pro” cameras. The ASI294MC Pro camera includes a 256MB DDR3 memory buffer to help improve data transfer reliability. This makes the IMX294CJK ideal for astronomic camera market applications that require low-illumination performance. ▶Exceptional low-illumination performanceĮxceptional low-illumination performance of SNR1s: 0.14 lx is realized by use of a large-size optical system and by expanding the area per pixel to 4.63 µm.
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