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Lesedi

785 bytes added, 14:07, 16 July 2020
/* Autoguiding */
This brings up a finder chart and a coordinates box. To start guiding:
*# On the main autoguider GUI, if using SHOC select Slide 0; or Slide 1 for Sibonise.*# If the status of any of the error codes (Err, XLL, XUL, YLL or YUL) is 1, click RESET, then INITIALISE. "FAKE" should always be a green "Fake is OFF" button while guiding - this is a test function for engineering purposes.*# To start continuous exposures with the autoguider Lodestar camera, enter a number (~2 seconds) in the box on the right, and click CONTINUOUS. Binning should be set to 2x2.*# Enter the target coordinates in the separate GS_FC window and check click "Set".# Check that a finder chart loads showing your field.*Guide stars are to be selected from outside the green box in the finder chart image. When North is Up in the SHOC/Sibonise image, click on a star in the upper half of the image to use as a guide star.
<!--, with X<20000 and Y<15000. As Y approaches 10000 it begins to vignette the SHOC field, so try to choose a guide star at low Y.-->
*# On the XY Slide Control section of the main GUI, click "Goto GS". This will send the XY slides to the position you clicked on the finder chart software. <!--If it doesn't, read the coordinates of the guide star off the image and enter them manually; when the position is reached click "Pick guide star" and click on your chosen star in the guide camera image.-->*# Click the "Pick G_Star" button in the "Guiding" panel, which will turn dark blue to indicate that it's ready to receive your guide star selection. *# Choose a star in the Lodestar image and click on it. The "Pick G_Star" button will turn green if it recognises the star. If the button turns grey , your selection has been unsuccessful, and you will need to click the "Pick G_Star" button again and then try clicking on a different star.*# Click the red GUIDE button - it should turn green to indicate that it is has started guiding. *FAKE should always be green While guiding:'''If guiding fails''' at any point during a track (e.g. due to cloud), the button will turn red. Try increasing the exposure time (change the value and click "Fake CONTINUOUS") and click GUIDE if the star is OFFsill near the box. If the star has drifted, you can either offset the telescope to bring it back to its original position and then click GUIDE, or if it is not important to you to keep the target in the original position on the science image, you can repeat the guide star selection procedure to resume guiding in the new position. To stop the autoguider: # Click " while GUIDE" to stop guiding .# Click "STOP CONT." to stop exposing.# Click "Initialize" to return the XY- this is a test function for engineering purposesslides to the home position.
== Troubleshooting ==
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