This will help you set up the parameters correctly. We strongly recommend that you follow the step-by-step procedure in the Autofocus Tutorial. If this is not the case, the software will never detect that it has passed best focus. If the focuser passes through focus and keeps on going forever, check that the Target Half Flux is at least two pixels higher than the minimum value seen in the log. If it is moving in smaller steps, decrease the number. If it is moving in larger steps than this, increase the Focuser Step Size. It should move approximately 1.5 half-flux units on each step, except near focus. Getting started with NexImage Burst is as easy as pointing your telescope at. Watch the autofocus log during fine focusing. but features oneof the best CMOS sensors available for astroimaging. If coarse focusing fails, the focal ratio or focuser step size are very wrong. The log is showing 'Failed to connect to /dev/cu.usbserial'. I have chosen Moonlite focuser in the AstroImager preferences menu and the Moonlite driver is up and running but AstroImager is not connecting to the focuser. If the built-in autofocus fails, it is usually because the Telescope Focal Ratio, Focuser Step Size, or Target Half Flux is set incorrectly. AstroImager and Moonlite focuser Postby JayKay Thu 3:34 pm I am using a Moonlite focuser with mini controller V2. an astroimager no longer needs to be physically near the telescope to focus an. For these types of focusers, we recommend using FocusMax, a free autofocus utility that is compatible with MaxIm DL. The Celestron Focus Motor for SCT and EdgeHD enables electronic focusing. Relative position focusers, such as DC motor focusers like the Meade 1206, are not as repeatable you cannot simply dial it back to the same position. Photometry information will appear in the measurement window. This includes JMI SmartFocus, Optec TCF-S, TI RoboFocus, and RC Optical Systems. Doing aperture Photometry ¶ Choose one of the stars circled in red below, then, IN IMAGEJ, click on the star. The auto focus is achieved by two crossed lines of pixels in the top of the camera which. My question is, if I get one with a carbon fiber tube, will it eliminate the need to re. I’m now considering doing some imaging with a fast Newtonian (probably a 6 f/4 unit). The built-in SharpStar autofocus only works with stepper motor or servo motor based focusers that have absolute position control. The below diagram shows the light path in a dSLR during auto focus. Do carbon fiber tubes eliminate the need to re-focus - posted in Experienced Deep Sky Imaging: I am an astroimager who almost exclusively uses APO refractors, recently with automated re-focusing (ZWO ASIAIR & EAF). Please refer to the instructions in the Command Reference for information on setting these values correctly. The most common problem is incorrect Telescope Focal Ratio and/or Focuser Step Size values in the Autofocus Settings dialog. Autofocus Troubleshooting Autofocus Troubleshooting
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