Sidereal Time App
Android app by Scott Spiller. Tools · Scott Spiller
- Store rating
- 4.35 / 5
- Store rating count
- 280
- Download price
- Free to download
- In-app purchases
- Listed by the store
- Version
- 4.2.04
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
Sidereal helps astronomers, telescope users, and night-sky observers track Local Sidereal Time quickly and reliably. Use Sidereal to view the current local sidereal time, calculate sidereal time manually from longitude, search locations, and plan ahead with future sidereal time tools. You can also create scheduled alerts so you never miss an important observing window. Features: View current Local Sidereal Time Calculate sidereal time manually from longitude Search by city or location Use decimal or DMS longitude entry Schedule sidereal alerts and reminders Export upcoming alerts to your calendar Browse future sidereal times for planning Choose light, dark, or night-vision display modes Sidereal is designed to be fast, practical, and easy to use in the field, whether you are setting up for imaging, aligning a mount, or planning an observing session.
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