Functions

Functions
Here are descriptions of all of the major functions of the Unistellar App and the individual actions needed to operate the eVscope. Other sections will will describe how to use these functions to prepare the Evscope for observing and apply them to the operational processes necessary to get good images.

The App opens to the Catalog page, one of the Apps are four main pages. Those pages are Catalog, Science observations (SO), Gallery, and Observe. The first three are reached using the three icons at the bottom of Catalog page. The Observe page is reached by tapping the Telescope icon in the colored circle in the lower left of all pages. In addition, the Setting menu is always available by tapping the gear icon in the upper right of all pages.

Catalog
This page is used to find and select one of the approximately 4,000 objects of interest stored in the App database.

Magnifying Glass
Tapping the Magnifying Glass icon in the upper left corner open the Search page. Tapping the word Search will allow text entry in the Search bar. The search is based on exactly the string of characters entered - there are no wildcards or control characters allowed. Only Catalog object names are searched, not informational content associated with an object. The entered string can appear anywhere in the name. If there are too many matches (e.g. after a single character is entered), the page will report "Search Empty" until more characters are entered. If an object with the entered string is found, it will be listed immediately. Tapping the found object open its Information popup, which must scrolled up to read fully. The "x" in the Search bar will clear entered characters, and the "<" in the upper left may be tapped to return to the Catalog page.

Visible sky area
This button, when single tapped, toggles the application of the "Visible sky area" (VSA) settings when showing catalog objects. These VSA settings are applied when the button is filled, in which case only objects in your selected VSA will shown. Your VSA is determined by selections made in Settings/Visible sky area popup, the details of which described in the Settings section. Tap and hold the VSA button to open the VSA settings page directly.

Type
This button will open the Object Type page and allow the selection of one