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iMariner Celestial Navigation
33
ASO score
Text
39/100
Reviews
50/100
Graphic
18/100
Other
0/100
App Rating
4.4
Votes
46
App Age
13y
Last Update
May 26, 2023
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.39
|
4.52
|
-3%
|
|
Number of Ratings (Voted)
|
45
|
241.9K
|
-100%
|
|
App Age
|
12y 12m
|
9y 7m
|
+36%
|
|
In-app Purchases Price
|
$0
|
$36
|
|
|
Update Frequency
|
657d
|
89d
|
+636%
|
|
Title Length
|
29
|
23
|
+26%
|
|
Subtitle Length
|
29
|
27
|
+7%
|
|
Description Length
|
2 643
|
2 556
|
+3%
|
|
Number of Screenshots
|
3
|
7
|
-60
%
|
|
Size
|
37MB
|
151MB
|
-76
%
|
Category Ranking in United States
7 days
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Last year
| Top | Mar 05, 2025 | Mar 12, 2025 |
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| Top | Mar 05, 2025 | Mar 12, 2025 |
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No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
|---|---|
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Analyze this and other apps using Asolytics tools
Text ASO
Title
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Characters:
29
of 30
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iMariner Celestial Navigation
Subtitle
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Characters:
0
of 30
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Description
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2643
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iMariner Celestial Navigation is a complete toolbox : sight, fix, meridian, starfinder, solar compass
Also embedded : nautical almanac (sun, moon, planets, starts) and astronomical computation (no more need for HO-249/HO-229 tables)
- displays almanac informations : Sun, Moon, Venus, Mars, Jupiter, Saturn and 92 brightest stars. At this step, you can use these almanac data with HO.249 tables, if you want to reduce manually.
- reduces a sight : getting your observed altitude and the precise time, it calculate Intercept and Azimut. You don't need any calculation ! Simply report Intercept and Azimut to your navigational chart.
- You can save your observations by passages and send them by email in CSV format
- take a fix : with two sights, iMariner is able to calculate your position (latitude/longitude)
- meridian passage : iMariner helps you to take observations mandatory to know your position (latitude/longitude)
- sight preparation : iMariner proposes you the best objects, here position (azimut and elevation), and the approximate time of the day the observation can take (nautical_twilight or nautical dawn).
iMariner is a standalone application. It doesn't require internet connection. It is light and calculations are optimized to save energy on your boat.
Includes a solar compass (and moon compass too).
REFERENCES :
iMariner has been inspirated by astronomical works of the following people.
Brightest Stars Catalog
Extraction of 92 stars >= 2.5 Mag from the vizier catalog, completed with some stars and star names.
V/53A Catalogue of the Brightest Stars (Ochsenbein+ 1988)
This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France
vizier.u-strasbg.fr
=============================
Le catalogue des etoiles les plus brillantes Catalogue of the brightest stars
Ochsenbein F., Halbwachs J.L. =1987BICDS..32...83O
Ochsenbein F., Acker A., Legrand E., Poncelet J.M., Thuet-Fleck E.
=============================
AlgorithmsFrom the reference book Astronomical Algorithms by Jean Meeus
Planets : VSOP87D theoryTables extracted from ftp://ftp.imcce.fr/pub/ephem/planets/vsop87/ and adapted to Objective-C.
Bretagnon P., Francou G., : 1988, Astron. Astrophys., 202, 309.
Pierre Bretagnon, Gerard Francou Bureau des Longitudes
77, Avenue Denfert-Rochereau F75014, Paris, France
Moon : ELP2000 theory
The lunar ephemeris ELP2000 M. Chapront-Touze and J. Chapront
Service de Mecanique Celeste du Bureau des Longitudes
77, Avenue Denfert-Rochereau F75014, Paris, France
Sky Maps
Free maps from the IAU site : http://www.iau.org/public/constellations/
DeltaT value
maia.usno.navy.mil}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 46 |
| App Store Link: | |
| Price: | 26.99 $ |
| Website: | - |
| Email: | - |
| Privacy Policy: | |
| Categories: | Navigation, Utilities |
| Size: | 36MB |
| App Age: | 13 years |
| Release Date: | Mar 20, 2012 |
| Last Update: | May 26, 2023 |
| Version: | 4.5 |
Version history
4.5
May 26, 2023
More precise stars computation :
Simbad Database from http://simbad.u-strasbg.fr/simbad Centre de Données astronomiques de Strasbourg Observatoire de Strasbourg 11, rue de l'Université - 67000 STRASBOURG, France
Nutations from https://hpiers.obspm.fr/eop-pc/models/nutations IERS EOP PC Observatoire de Paris 61, avenue de l'Observatoire 75014 Paris/ FRANCE
4.4
May 01, 2023
Fix crash in iOS 16.4
Version history