Astronomy Observer
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
Developer雪平 王
CategoryReference
PriceFree
Released
Rating★ 4.8 (128)
Version2.8.8
Age rating4+
First seen by us
24 Oct 2026
24 Oct 2026Rating
4.8 ★
128 ratings
Measured
Astronomy Observer on the App Store
App details
App ID
1508968890
Publisher
雪平 王
On the store since
May 2020
6 years on the store
Minimum OS
iOS 11.0+
iPhone 5s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
12
EN FR DE IT JA KO PT RU ZH ES ZH VI
Size
53 MB
Also listed in
Utilities
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.8 ★
128 ratings
Measured
Ratings
128
Measured
About Astronomy Observer
Astronomy Observer app is an app that help astronomical observers to arrange their observation plans reasonably.
Thanks to the improvement of the computing power of mobile phones and the application of new technologies (AR), it is possible to calculate the position of celestial bodies and the celestial ephemeris on the mobile phone, and AR can display the positions of celestial bodies.
The Astronomy Observer not only calculates the daily sun-moon position, planets rise and set, constellations, important stars, and messier objects which can be seen . In addition, various types of celestial bodies and important star catalogs are also collected, and the position, rise and set of each celestial body are calculated, and finally the ephemeris of the celestial body is calculated for one year. AR shows the constellation division, constellation position, star position, important star display, solar system celestial position.
The App is divided into the following parts
1. Daily: Daily twilight, moonrise and moonset, planets, and constellations, stars, messier
2. Browse: Browse constellations, stars, solar systems (sun, moon, planet, comet), deep sky objects (messier, galaxy, star clusters, nebulae), important star catalogs (HR, HD, HIP, SAO, CCDM, GCVS, TYChO, NGC)
3. Event: Calendar of astronomical phenomen
4. AR: AR shows the position of celestial bodies
5. Mine:
【Astronomy Observer Membership】
View all the celestial bodies catalog, One year ephemeris for all celestial bodies can be viewed, View AR images of any time,no ads
Purchase rules:
[Monthly Membership] Purchase a monthly member for $ 0.99 / month and renew it automatically every month.
[Annual Membership] 4.99 $ / year to purchase annual annual membership and automatically renew it annually.
[Lifetime Membership] $ 14.99, only need to purchase once, valid for life
[Prices in different countries or regions should be converted according to the US dollar exchange rate]
Purchase Notes:
1. The account will be automatically renewed and deducted the corresponding fee 1 day before the expiration.
2. If you need to cancel the renewal, please cancel in your personal iTunes account at least 1 day in advance.
3. After purchase, users can manage or turn off automatic renewal in personal account settings.
Terms of Services : http://www.astronomyobserver.net/h5/astronomy/user/en
Privacy policy: http://www.astronomyobserver.net/h5/astronomy/privacy/en
Thanks to the improvement of the computing power of mobile phones and the application of new technologies (AR), it is possible to calculate the position of celestial bodies and the celestial ephemeris on the mobile phone, and AR can display the positions of celestial bodies.
The Astronomy Observer not only calculates the daily sun-moon position, planets rise and set, constellations, important stars, and messier objects which can be seen . In addition, various types of celestial bodies and important star catalogs are also collected, and the position, rise and set of each celestial body are calculated, and finally the ephemeris of the celestial body is calculated for one year. AR shows the constellation division, constellation position, star position, important star display, solar system celestial position.
The App is divided into the following parts
1. Daily: Daily twilight, moonrise and moonset, planets, and constellations, stars, messier
2. Browse: Browse constellations, stars, solar systems (sun, moon, planet, comet), deep sky objects (messier, galaxy, star clusters, nebulae), important star catalogs (HR, HD, HIP, SAO, CCDM, GCVS, TYChO, NGC)
3. Event: Calendar of astronomical phenomen
4. AR: AR shows the position of celestial bodies
5. Mine:
【Astronomy Observer Membership】
View all the celestial bodies catalog, One year ephemeris for all celestial bodies can be viewed, View AR images of any time,no ads
Purchase rules:
[Monthly Membership] Purchase a monthly member for $ 0.99 / month and renew it automatically every month.
[Annual Membership] 4.99 $ / year to purchase annual annual membership and automatically renew it annually.
[Lifetime Membership] $ 14.99, only need to purchase once, valid for life
[Prices in different countries or regions should be converted according to the US dollar exchange rate]
Purchase Notes:
1. The account will be automatically renewed and deducted the corresponding fee 1 day before the expiration.
2. If you need to cancel the renewal, please cancel in your personal iTunes account at least 1 day in advance.
3. After purchase, users can manage or turn off automatic renewal in personal account settings.
Terms of Services : http://www.astronomyobserver.net/h5/astronomy/user/en
Privacy policy: http://www.astronomyobserver.net/h5/astronomy/privacy/en
Latest updates
2.8.8
adapt for iOS15
