Added the latest 2025 Light Pollution Map (LPM) layers to the app to replace the older LPA layers, though LPA remains available for offline use.

Added single-star polar alignment feature under the Menu and the Stars and Star-trail page for Asterra equatorial mount users or any mount that has scales for altitude and azimuth.

Add single-star polar alignment feature under the Menu and the Stars and Star-trail page for Asterra equatorial mount users or any mount that has scales for altitude and azimuth.

Automatically backup the data to iCloud when closing the app and keep the last seven backups by default in order to avoid the data loss when uninstalling the app. Fixed keyboard hides the text field issue.

Fixed the startup crash due to a 3rd party server data format change.

Fixed subtitle not showing the camera height, target height etc. Fixed map tilt gesture not working initially. Fixed switches display issue on the marker editing screen for iOS 26.

Reset the exposure compensation to 0 when one of the five exposure parameters becomes auto. Fixed selecting Apple Map not working. Fixed the display issue of the Location Explorer subscription under My Purchases. Fixed a bug importing some model files that has unicode. Removed the server marker list limitation of 100. Fixed selecting a star caused the map to rotate. Fixed reflected light meter freezes after taking the picture.

Added an exposure guide button to the Eclipse page to guide you through the whole eclipse process for the upcoming lunar eclipse. Considered the moon elevation adjustment for the exposure guide. Added ramping compensation and more settings for exposure guide under Settings - Camera.

Fixed plan and marker sync issue. Fixed locking the time hides the clock icon. Removed Bing services as they discontinued.

Fixed the option for altitude scale not working. Fixed the panorama VR indicator lines clipping issue.

Added altitude scale to VR. Added altitude indications for atmospheric phenomena to VR. Fixed missing part of the milky way photo taken by astro-modified camera. Fixed a bug in getting current location.

Added altitude scale to VR. Added altitude indications for atmospheric phenomena to VR. Fixed missing part of the milky way photo taken by astro-modified camera.

Added an option to show milky way photos taken by astro-modified camera in the VR, thanks Alvin Wu (IG: @alvinwufoto) for the photos. Shows the pixel count below the subject height value, calculated based on subject height, subject distance, focal length, and sensor size, representing the actual pixel count of the subject in the captured image. Fixed the filter not working correctly on Sun and Moon filter. Added GPXZ elevation service as an alternative to Google elevation. Shows a more accurate elevation of your current location when tapping the current location button. Added MapBox tile layers back. Added an option to sort by task time descending. Added DJI Mavic 4 to the drone tool. Corrected yallop calculation error. Fixed bortle scale always shows 2 even in the ocean. Show RA and Dec of the star on the Stars and Star-trails page.

Added 2024 light pollution data

Fixed crash in VR when the nebula display is on

Fixed a bug that the Sun Moon Finder couldn't finish.

Fixed before and after midnight filter buttons on the Finder page not working.

Supports custom date and time format under Settings - General, including 24 hours format for all the time values. You can tap the date or time segment on the Date and Time Panel to toggle to the corresponding slider mode and the selected segment will be underlined. Revert a change in the Lookout Locations to show all the results regardless if there are terrain blocking behind the subject.

Add moon distance to the Moon Calendar. Add elongation under the comet name on the Stars and Startrails page. Support OSM map layer. Use the term 'altitude' instead of 'elevation angle' within the app, the value is exactly the same as before.

Fixed opening url or sharing a location not working on iOS 18.

Fixed freeze when opening the star chooser page.

If the ovation data is not available for the time you choose, we will automatically use a historical ovation data of a similar scale and you can always choose another historical by adjusting the time into the period where the ovation data is available. Show the comets in VR by default but you can change in the settings. Added openstreetmap layer back. Fixed crashes on iOS 18. Had to remove the support for MapBox map in order to be compatible with iOS 18, will bring it back in the future as it takes time.

Fixed the visible periods of milky way center and star are wrong if the sun elevation for astro limit is positive.

NOAA's ovation images are limited to approximately one hour into the future, when users select a time beyond the range of the latest ovation forecast time, we will not display ovation image or the corresponding map overlay to avoid misleading information. Added an editable UTC time to the aurora page so that you can match the time with reports from various prediction sources. Added a few links to the arrow button to the right of the aurora page. Increases the range of "Sun elevation limit for astronomical night" to 6° to get ready for the day-time comet.

Added Aurora Simulation page. Added "Sun elevation limit for astronomical night" under Settings - Ephemeris so that you can set it to -14° or -16° because many stars and bright comets are visible before the Sun elevation reaches -18°. Fixed a bug that the comet visible line on the date and time slider was drawn inaccurately. Added C/2024 S1 ATLAS comet, a sungrazing comet which will pass its perihelion on Oct 28, 2024 at a possible apparent magnitude of -5. Added seven more nebulae. Fixed moving the task to a plan doesn't show all the plans. Added auto backup to iCloud feature when app goes to backup, use Settings-General-Restore to restore a backup.