# Astronomy Observer — AR Sky Guide of Star Gazer

> AR sky guide for astronomical observers to plan and view celestial events. (iPhone/iPad app by 雪平 王.)

- Source: https://appshunter.io/ios/app/astronomy-observer/id1508968890 (this page in markdown: same URL + `.md`)
- Developer: [雪平 王](https://appshunter.io/developer/1045915049)
- Category: Reference, Utilities
- Price: Free with in-app purchases
- Rating: 4.60/5 from 28 App Store ratings · 12 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 51 MB
- Languages: American English, Canadian French, German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish and 2 more
- Released: 2020-05-02
- Data updated: 2026-08-20
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/astronomy-observer/id1508968890/reviews.md

## What is 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

## Key features

- AR celestial body positioning
- Daily sun-moon position and planet rise/set
- Catalog of stars, planets, and deep sky objects
- Astronomical event calendar
- Yearly ephemeris calculation
- Constellation and star identification

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly membership | $0.99 | per month |
| Annually Membership | $5.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| lifetime membership | $14.99 | one-time |


## Recent user reviews (10 of 12)

All indexed reviews: https://appshunter.io/ios/app/astronomy-observer/id1508968890/reviews.md

### 5/5 — 🔪🧦🧣🗡👟👡🗡💣👟👘🗡🔐👙🔪🧣🗡💣🩴👘🪬👢🎓💣🔏👠🗡🎓👢👟📿💣🎓👢👟🪬🔐👢👞🛍🗡🛍🧤🧦🗡🔏

*2025-02-18*

🥲🥲😖🥲😖🥲😩☺️😌😠☺️😒🥲🤬🥲🤯🥲😬🙃😐😌😐😌😌🤔😌😯😌🤔😌

### 3/5 — Incomplet

*2024-11-23*

Ce serait plutôt bien si on pouvait ajouter la modification de l’heure pour un jour donné

### 5/5 — 天文观星指南

*2024-08-19*

不错，听精准的

### 5/5 — 👍

*2024-05-27*

很不错  对于天文爱好者来说是个很好的选择

### 5/5 — 催更

*2023-03-06*

很好用，建议在星座列表中提供一个搜索功能

### 2/5 — 有故障

*2023-02-24*

为什么老是闪退

### 5/5 — 不错

*2022-01-08*

包含了NGC和梅西耶的全部内容，有介绍，适合新手，同样适于像我一样的没有办法用维基百科的，介绍很全，免费的就很多，付费也很便宜，针不戳

### 1/5 — Don’t know what this is but it’s not virtual reality

*2021-08-05*

😭

### 1/5 — 更新了2.7后闪退。。。

*2021-03-07*

怎么能回到2.4😩

**Developer response:** 已经修复，感谢提醒，对你造成的不便深感抱歉

### 1/5 — 闪退

*2021-01-28*

如题

**Developer response:** 已经修复，感谢提醒，对你造成的不便深感抱歉

## Frequently asked questions about Astronomy Observer

### What celestial bodies can I see with Astronomy Observer?

Astronomy Observer displays the positions of the sun, moon, planets, constellations, important stars, and Messier objects. It also includes various star catalogs like HR, HD, HIP, and SAO.

### Does Astronomy Observer have ads?

Yes, Astronomy Observer contains advertisements. Users can remove ads by purchasing a membership, which also unlocks additional features.

### What are the subscription options for Astronomy Observer?

Astronomy Observer offers a monthly membership for $0.99/month, an annual membership for $5.99/year, and a lifetime membership for $14.99. Prices may vary by region.

### How do I cancel my Astronomy Observer subscription?

To cancel your subscription renewal, you need to do so through your personal iTunes account settings at least one day before your current subscription expires.

### Is Astronomy Observer available on Android?

The provided data indicates support for iPhone, iPad, and iPod. Information regarding Android availability is not specified.

### How often is Astronomy Observer updated?

The latest version of Astronomy Observer is 2.8.8, and it was last updated on January 5, 2022. This suggests updates are released periodically.

### What is the age rating for Astronomy Observer?

Astronomy Observer has an age rating of 4+, making it suitable for a wide range of users interested in astronomy.

### Can I view past astronomical events with Astronomy Observer?

The app provides an event calendar for astronomical phenomena and allows viewing AR images of celestial bodies at any time with a membership, which could include past events.

## Version history (last 5 releases)

### 2.8.8 — 2022-01-05

adapt for iOS15

### 2.8.6 — 2021-05-22

add caldwell catalog

### 2.8.2 — 2021-05-16

add timezone for astronomical event time

### 2.8 — 2021-05-06

1.fix crash on iPad
2.add some language

### 2.7 — 2021-02-09

select date to calculate rise and set of any celestial body

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| [Sky Guide](https://appshunter.io/ios/app/sky-guide/id576588894) | 4.8 (369,247) | Free | Reference |
| [Night Sky](https://appshunter.io/ios/app/night-sky/id475772902) | 4.7 (492,103) | Free | Reference |
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All apps by 雪平 王: https://appshunter.io/developer/1045915049

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*