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Starlight Xpress Ultrastar Mini CCD Guiding/Imaging Monochrome Camera, 1392x1040SKU: SXUSTRMfr. Part: ULTRASTAR

Item Includes

Starlight Xpress Ultrastar Mini CCD Guiding/Imaging Camera - Mini-USB 2.0 Cable - LIVE Processing Software - Image Processing Software - Starlight Xpress Warranty


The Ultrastar camera is advanced versions of their 'Superstar' guide camera and have a similar resolution of 1392x1040 pixels. However, the CCD chip has 70% more area and the QE is considerably greater, at around 75% peak. These characteristics give the Ultrastar an excellent performance as both a guide camera and an imaging camera, which is especially well suited to 'Live Viewing' mode.

Some years ago, Paul Shears released a simple to use program called 'Lodestar Live', which uses the SX Lodestar in 'Live Viewing' mode. This has now been upgraded to 'Starlight Live' and is capable of controlling both the Lodestar and the Ultrastar in Live view. It can also color convert and stack images from the single-shot color versions of these cameras.


Added multi-spectrum stacking capability. Color channels can be masked during stacking processAdded ability to select individual color channels for display (multi-spectrum)Display Processing 'Reset' button now resets all color channels to defaults as this is more intuitive for multi-spectrumAdded button on Image Export tab to save the current stacked image in FITS format (prior to display processing - i.e. the current raw stack)Added color channel mask to the automatically generated filename when exporting raw FITS filesAdded command line parameter '-load-image-rggb' to permit loading of Bayer RGGB encoded images. This can be used to later load and display a FITS file saved using the save current stacked image to FITS file feature (when image was color)Image repeat dialog display mirrors the main display window, including any zoom applied plus overlaysDisable image registration during stacking by setting Max Displacement to 0 (i.e. images are just stacked without any alignment)Improvements to star pattern matching algorithm to increase robustness of correspondence (especially with Ultrastar images)Enhancements to star extraction algorithmOn key frames, image is divided into 4x4 grid and the 3 brightest stars are selected from each grid to limit the number of stars to be matchedWhen matching stars, the corresponding star is searched for inside a bounding area defined by Max Displacement plus 10% with respect to the position of the keyframe star. All candidates within this area are then used for correspondence matchingFixed undo bug that caused exposure number to keep decrementing when 'undo last' is clicked after an undo is appliedAdded keyboard shortcuts to zoom and pan the image displayAdded keyboard shortcuts for the display processing tab. One of the functions (i.e. black level, white level) is selected via the numeric keys and then this can be modified by other keys to decrement or increment the value instead of using the UI slider controlMultiple performance enhancements to the display processing algorithms. These now use multiple CPU cores during processing. The more cores the faster the algorithms run


CCDSony ICX825AL ExView2 Monochrome CCDPixel Count (Horizontal x Vertical)1392x1040Pixel Size6.45x6.45uMOptical Size8.98 x 6.71mm / 0.35 x 0.26"Read NoiseTypically 5.0 electronsQEPeak QE 75% (yellow light)Gain0.3 e/ADUBarrel Size (Dia. x Long)31.75 x 85mm / 1.25 x 3.35" (1.25" / 31.75mm eyepiece push fit size)Barrel Thread25.4 x 0.75mm / 1.00 x 0.03" 'CS' mount lens threadInput Connection'Mini B' USB socket for USB2.0Output ConnectionStandard RJ12 autoguider socketOutput TypeOpto-isolated 4 lines (N,S,E & W) pull down with common return lineDownload RateApprox. 2 frames per second in binned 1x1 modeMonochromeYesCCD QualityGrade 1Full-Well CapacityGreater than 23000 e- (unbinned)Anti-bloomingOverload margin greater than 1000xDark CurrentDark frame saturation time greater than 1 hour. Less than 0.1 electrons/second at + 10C ambientData Format16-bitsCooling SystemAmbient air coolingKeyboard ShortcutsZoom and Pan Image Display: + or =: Zoom display in (2x each key press), -: Zoom display out (2x each key press), LEFT: Pan left, RIGHT: Pan right, UP: Pan up, DOWN: Pan down
Display Processing Tab: 1: Select Black Level, 2: Select White Level, 3: Select Brightness, 4: Select Contrast, 5: Select Saturation, 6: Select Hue, or [: Fast decrement, } or ]: Fast increment, or: Fast incrementWeightApprox. 85g / 3.00oz  


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Filed under: High-End Telescope Auctions (USA)