Telescope calculator
8.0 92
v4.2.0 by א.מ.
About Telescope calculator
Telescope calculator (Package Name: com.halkmen.astro2) is developed by א.מ. and the latest version of Telescope calculator 4.2.0 was updated on August 30, 2025. Telescope calculator is in the category of Tools. You can check all apps from the developer of Telescope calculator and find 123 alternative apps to Telescope calculator on Android. Currently this app is for free. This app can be downloaded on Android 6.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
Calculation of parameters and characteristics of telescopes using different eyepieces and visualization.
Settings:
- language (Russian, English, Hungarian, Spanish, German, French, Romanian, Croatian, Italian, Sinhala, Norwegian, Persian, Polish, Japanese, Portuguese, Korean, Catalan, Dutch, Arabic, Greek, Malay, Luxembourgish, Hindi, Indonesian , Ukrainian, Hebrew, Sardinian, Czech, Swedish, Finnish, Chinese, Bengali, Tamil, Slovenian, Turkish, Bosnian, Thai, Bulgarian, Vietnamese)
- scale
- text font size
- input by the slider
- comparison of telescopes
- bookmarks
- Moon phases
- help
- swipe
Telescope:
- List of telescopes
- Diameter
- Focal length
- Focuser
Eyepiece:
- Eyepiece list
- Focal length
- Field of view
- Barlow lens
Camera:
- list of cameras
- pixel size
- image size
- matrix size
- Binning
Calculations:
- Magnification
- Stellar magnitude
- Field of view
- Maximum field of view
- f-number
- Diameter of exit pupil
- Angular resolution
- Size of craters on Moon
- 2D, 1.4D, 1D, 0.7D, 0.5D
- Sun
- ISS
Planets:
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Pluto
Asteroids:
- Ceres
- Pallas
- Juno
- Vesta
- Ida
- Gaspra
Satellite:
- Moon
- Titan
- Io
- Europa
- Ganymede
- Callisto
- Titania
- Ray
Messier:
M1, M8, M13, M16, M17, M20, M27, M31, M33, M42, M45, M51, M57, M58, M63, M64, M74, M78, M81, M82, M83, M88, M97, M99, M100, M101, M104, M108
NGC:
891, 2359, 2392, 2440, 4565, 4631, 5189, 6302, 6543, 6960, 6979, 7000, 7662
IC:
1805, 1848, 2118
Settings:
- language (Russian, English, Hungarian, Spanish, German, French, Romanian, Croatian, Italian, Sinhala, Norwegian, Persian, Polish, Japanese, Portuguese, Korean, Catalan, Dutch, Arabic, Greek, Malay, Luxembourgish, Hindi, Indonesian , Ukrainian, Hebrew, Sardinian, Czech, Swedish, Finnish, Chinese, Bengali, Tamil, Slovenian, Turkish, Bosnian, Thai, Bulgarian, Vietnamese)
- scale
- text font size
- input by the slider
- comparison of telescopes
- bookmarks
- Moon phases
- help
- swipe
Telescope:
- List of telescopes
- Diameter
- Focal length
- Focuser
Eyepiece:
- Eyepiece list
- Focal length
- Field of view
- Barlow lens
Camera:
- list of cameras
- pixel size
- image size
- matrix size
- Binning
Calculations:
- Magnification
- Stellar magnitude
- Field of view
- Maximum field of view
- f-number
- Diameter of exit pupil
- Angular resolution
- Size of craters on Moon
- 2D, 1.4D, 1D, 0.7D, 0.5D
- Sun
- ISS
Planets:
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Pluto
Asteroids:
- Ceres
- Pallas
- Juno
- Vesta
- Ida
- Gaspra
Satellite:
- Moon
- Titan
- Io
- Europa
- Ganymede
- Callisto
- Titania
- Ray
Messier:
M1, M8, M13, M16, M17, M20, M27, M31, M33, M42, M45, M51, M57, M58, M63, M64, M74, M78, M81, M82, M83, M88, M97, M99, M100, M101, M104, M108
NGC:
891, 2359, 2392, 2440, 4565, 4631, 5189, 6302, 6543, 6960, 6979, 7000, 7662
IC:
1805, 1848, 2118
Telescope calculator 4.2.0 Update
v4.1.0image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
Read More
Telescope calculator Features
Related Videos
Previous Versions
More
Requires Android: Android 6.0+
Screen DPI: 160-640dpi
SHA1: d5cb14071d91ce0eb67fea03756f74f1dd2a904a
Size: 44.17 MB
What's New:
v4.1.0
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
Variant
Arch
Version
DPI
42
August 22, 2024
Telescope calculator
4.1.0
(42)
Requires Android: Android 6.0+
Screen DPI: 160-640dpi
SHA1: ef4b3e013b6af84374ef24efddcd9d6cb821bc39
Base APK: com.halkmen.astro2.apk
Split APKs: config.en, config.fr, config.mdpi
Size: 40.18 MB
What's New:
v4.1.0
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
Android 6.0+
160-640dpi
42
August 23, 2024
Telescope calculator
4.1.0
(42)
Requires Android: Android 6.0+
Screen DPI: 160-640dpi
SHA1: 888a47846468ef776b4c256969fbd201b44782cb
Base APK: com.halkmen.astro2.apk
Split APKs: config.ar, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 40.55 MB
What's New:
v4.1.0
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
Android 6.0+
160-640dpi
42
August 23, 2024
Telescope calculator
4.1.0
(42)
Requires Android: Android 6.0+
Screen DPI: 160-640dpi
SHA1: 3b2cb5e0c921d937d99199394521ccf3e5b12f51
Base APK: com.halkmen.astro2.apk
Split APKs: config.ar, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxxhdpi, config.zh
Size: 40.55 MB
What's New:
v4.1.0
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
image resolution increased
+ NGC884, NGC1514, NGC5128, NGC6888, NGC7009, NGC7129, NGC7318, NGC7380, NGC7635
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
Android 6.0+
160-640dpi
Requires Android: Android 6.0+
Screen DPI: 120-640dpi
SHA1: 58ccd30e75869e420b164c28939b9f5a90e31470
Size: 10.91 MB
What's New:
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
v3.4.0
settings
- hide 2D-D/6
- coordinates of the planets
- observation coordinates
+ Asteroids
+/- Three in a row selection
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
v3.4.0
settings
- hide 2D-D/6
- coordinates of the planets
- observation coordinates
+ Asteroids
+/- Three in a row selection
Requires Android: Android 6.0+
Screen DPI: 160-640dpi
SHA1: 7601b664c6e853dc977a2d40333288cd9e997a77
Size: 11.08 MB
What's New:
v4.0.0
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
v3.4.0
settings
- hide 2D-D/6
- coordinates of the planets
- observation coordinates
+ Asteroids
+/- Three in a row selection
account for storing settings
v3.6.0
increased slider input
v3.5.1
+ NGC891, NGC4565, NGC4631, NGC6960, NGC6979, NGC7662
v3.5.0
- changed settings, choice of object and language
- full-screen advertising is twice as rare
+ M97, NGC2359, NGC2392, NGC2440, NGC5189, NGC6302, NGC6543, NGC7000, IC1805, IC1848, IC2118
v3.4.0
settings
- hide 2D-D/6
- coordinates of the planets
- observation coordinates
+ Asteroids
+/- Three in a row selection
More Information
Package Name:
Update Date:
2025-08-30
Latest Version:
4.2.0
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
Safe to Download
APKFab.com and the download link of this app are 100% safe. All download links of apps listed on APKFab.com are from Google Play Store or submitted by users. For the app from Google Play Store, APKFab.com won't modify it in any way. For the app submitted by users, APKFab.com will verify its APK signature safety before release it on our website.