Starlight-xpress SXVR-M26C User Manual

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Handbook for the SXVR-M26C Issue 1 March 2010
1
The SXVR-M26C one-shot colour CCD camera
Thank you for purchasing a Starlight Xpress CCD camera. We hope that you will be
very satisfied with the results.
The SXVR-M26C is an advanced, high-resolution one-shot colour cooled CCD
camera, especially designed for astronomical imaging. It incorporates a built-in, fully
programmable, USB 2 super-fast computer interface, an autoguider control port and
output and optional integrated dual serial ports for filter wheel and telescope control.
It also includes a CCD temperature monitoring circuit which provides regulated set-
point cooling of the chip and a substantial reduction in overall size.
The SXVR-M26C uses a Sony ICX493AK ‘Super HAD’ interlaced scan CCD, with
3900 x 2616 x 6.05uM pixels in a 23.5 x 15mm active area. Super HAD devices have
excellent quantum efficiency, with a broad spectral response peaking at around 60%
in the green, and an extremely low dark current, well below that of any comparable
CCD currently available. The ICX493AK has a ‘Bayer Matrix’ of Red, Green and
Blue filters integrated onto the CCD surface and the colour data that is encoded into
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Summary of Contents

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Handbook for the SXVR-M26C Issue 1 March 2010 1 The SXVR-M26C one-shot colour CCD camera Thank you for purchasing a Starlight Xpress CCD c

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Handbook for the SXVR-M26C Issue 1 March 2010 10 There is every reason to expect that the image will be reasonably well colour balanced, but if

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Handbook for the SXVR-M26C Issue 1 March 2010 11 Image enhancements: Your first image may be satisfactory, but it is unlikely to be as clear a

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Handbook for the SXVR-M26C Issue 1 March 2010 12 When the par-focal eyepiece is fitted into the telescope drawtube, you can adjust the focus

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Handbook for the SXVR-M26C Issue 1 March 2010 13 In the case of the SXVR-M26C and a 2 arc seconds per pixel resolution, we get F = 0.00605 *

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Handbook for the SXVR-M26C Issue 1 March 2010 14 Although the peak value is sensitive to vibration and seeing, it tends towards a maximum as th

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Handbook for the SXVR-M26C Issue 1 March 2010 15 noise. Indeed, it is so low that subtracting a dark frame can actually INCREASE the noise in y

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Handbook for the SXVR-M26C Issue 1 March 2010 16 Relatively little nebulosity is visible at this time, but it will be revealed later. If you

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Handbook for the SXVR-M26C Issue 1 March 2010 17 The image should now look quite impressive and I hope that you are pleased with your first

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Handbook for the SXVR-M26C Issue 1 March 2010 18 field shots! A good quality 200mm F3.5 lens with an infrared blocking filter will yield very n

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Handbook for the SXVR-M26C Issue 1 March 2010 19 time, the image noise level will be increased, and if too long a time is used you will saturat

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Handbook for the SXVR-M26C Issue 1 March 2010 2 the output image, can be used to recreate a high quality colour picture when processed by suita

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Handbook for the SXVR-M26C Issue 1 March 2010 20 the highlights. Aligning the images is always something of a problem, as there are rarely any

Page 14

Handbook for the SXVR-M26C Issue 1 March 2010 21 The autoguider installed on a 70mm refractor guide ‘scope in the author’s garden (the camera

Page 15

Handbook for the SXVR-M26C Issue 1 March 2010 22 The autoguider control panel with a guide star selected 2) Press the ‘Start’ button and a

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Handbook for the SXVR-M26C Issue 1 March 2010 23 9) Now press ‘Go to main camera’ and the guider control panel will be replaced by the camera

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Handbook for the SXVR-M26C Issue 1 March 2010 24 The two serial connections are in the form of standard RS232 PC style plugs and provide TX, RX

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Handbook for the SXVR-M26C Issue 1 March 2010 25 Web. These usually consist of a large wooden box, containing several lamps and an internal coa

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Handbook for the SXVR-M26C Issue 1 March 2010 26 The SXVR-M26C is provided with two ports for use with accessories. The Autoguider output por

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Handbook for the SXVR-M26C Issue 1 March 2010 27 1) Dust can be deposited on either the optical window (not a big problem to cure), or on the C

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Handbook for the SXVR-M26C Issue 1 March 2010 28 The SXVR-M26C is designed to avoid condensation by minimising the volume of air trapped within

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Handbook for the SXVR-M26C Issue 1 March 2010 29

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Handbook for the SXVR-M26C Issue 1 March 2010 3 Installing the USB system: First, find a free USB socket on your PC and plug in the USB cable

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Handbook for the SXVR-M26C Issue 1 March 2010 30 Dear Observer, Thank you for purchasing a Starlight Xpress CCD Imaging System. We are confide

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Handbook for the SXVR-M26C Issue 1 March 2010 4 At the end of this process, the USB interface will be installed as a ‘BlockIOClass device’ and

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Handbook for the SXVR-M26C Issue 1 March 2010 5 As can be seen above, there is a CCD temperature monitoring window at the right hand side o

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Handbook for the SXVR-M26C Issue 1 March 2010 6 Or 2) Create a ‘Pin hole’ lens by sticking a sheet of aluminium baking foil over the end of

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Handbook for the SXVR-M26C Issue 1 March 2010 7 Point the camera + lens or pinhole towards a well-lit and clearly defined object some distance

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Handbook for the SXVR-M26C Issue 1 March 2010 8 Here is a small enlarged section of a daylight image which may be similar to your test image ta

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Handbook for the SXVR-M26C Issue 1 March 2010 9 4) Apply Anti-Alias: - Runs a special filter over the colour data to remove coloured artefacts

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