This tab gives access to many interesting features. Here you can find short note about every one and link to a dedicated section where the feature is described in details.
Histograms
Opens/Closes the Histogram Aid. It can be used to see if the image is properly exposed or the make Screen Stretch or Levels of the image to see fainter details. This is "on screen" operation and the saved image is not altered.
Opens/Closes the Graphs aid. It shows graphs for various data collected during the imaging session like EXIF temperature, CCD/CMOS temperature and etc.
Opens/Closes the Focus Aid. This is an aid to achieve the best focus by using FWHM (Full Width Half Maximum) or HFD (Half Flux Diameter) metrics for measuring the focus quality. This aid is also used by the Auto-Focus Aid and EOS Lens Auto-Focus.
Opens/Closes the Bahtinov Aid. This aid analyzes the spikes made by a Bahtinov mask on sub-pixel level and allows achieving better focus than the one made by eye.
Sets a focus mark for the current temperature. The mark is used in order to determine when to notify you that there is need to refocus because of temperature change.
Shift+Click on this button prints the last set temperature mark in Log panel.
Opens/Closes the CCD Flats Aid. Use this aid to determine the exposure duration needed to get the best flat frames. It can evaluate multiple filters and create automatically Flats type imaging plan.
Opens the Settings dialog box where you can handle most of the APT settings. Some APT features has their local settings which are described the corresponding sections.
Opens/Closes the Framing Masks aid. This is an aid to frame object by same way during different nights or after a meridian flip. It allows creating a reference mask from an image and to show it over other image with just a few clicks.
It is an alternative to PointCraft when there is no telescope/mount connection.
Opens/Closes the Check Lists Panel. It provides to store and preview checklists of steps and reminders for various aspects of preparation for imaging session or step to follow. Like "Don't forget the USB cables"...
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