These cables and interface boxes are inexpensive and are available from Shoestring Astronomy Products (Appendix 1). The other connects to the camera's remote ("cable release") interface to allow for and control long exposures. One cable delivers image data to the computer. ![]() Like other DSLR programs designed to allow the cameras to take long exposures, Nebulosity requires two connections from camera to PC. It can be used to operate the Meade DSI, the Starlight Xpress, the SBIG CCD cameras, and a growing array of other deep sky and planetary imagers. Nebulosity doesn't stop with DSLRs, either. ![]() Not only does Nebulosity display the DSLR's images on the PC screen, making for easy focusing, it does many of the things any CCD software does: control camera settings, take single exposures or a series of exposures, take and subtract dark frames, and even do some fairly sophisticated image processing. A current favorite in this category is an inexpensive but very capable program, Nebulosity($45).
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