Dylan's Astronomy Calculator & Simulator 2.0
Developed by Dylan O’Donnell

More pre-populated Telescopes & Cameras will be added soon, you can also use the calculator with manual entries!

Choose Telescope

Select Telescope ... Apertura CarbonStar 150 NEWT 600mm | F 4 Askar FRA300 300mm | F 5 Askar FRA400 400mm | F 5.6 Askar FRA500 500mm | F 5.6 Askar FRA600 600mm | F 5.6 Astro-Tech AT115EDT 805mm | F 7 Celestron C11″ SCT 2800mm | F 10 Celestron C14″ SCT 3910mm | F 11 Celestron C8″ SCT 2032mm | F 10 Celestron C9.25″ SCT 2350mm | F 10 Celestron NexStar 4SE 1325mm | F 13 Celestron NexStar 5″ SCT 1250mm | F 10 Celestron NexStar 5SE 1250mm | F 10 Celestron NexStar 6″ SCT 1500mm | F 10 Celestron NexStar 6SE 1500mm | F 10 Celestron NexStar 8″ SCT 2032mm | F 10 Celestron NexStar 8SE 2032mm | F 10 Celestron NexStar 9.25″ SCT 2350mm | F 10 Celestron RASA 11 620mm | F 2.22 Celestron RASA 36 790mm | F 2.22 Celestron RASA 8 400mm | F 2 Celestron StarSense Explorer 10″ DOB 1200mm | F 4.7 Celestron StarSense Explorer 114mm DOB 450mm | F 4 Celestron StarSense Explorer 12″ DOB 1500mm | F 4.9 Celestron StarSense Explorer 130mm DOB 650mm | F 5 Celestron StarSense Explorer 150mm DOB 650mm | F 5 Celestron StarSense Explorer 8″ DOB 1200mm | F 5.9 Celestron StarSense Explorer DX 5″ SCT 1250mm | F 10 Celestron StarSense Explorer DX 6″ 1500mm | F 10 Celestron StarSense Explorer DX102 660mm | F 6.5 Celestron StarSense Explorer DX130 650mm | F 5 Celestron StarSense Explorer LT114 AZ NEWT 1000mm | F 9 Celestron StarSense Explorer LT127 AZ 1000mm | F 7.87 Celestron StarSense Explorer LT70 AZ 700mm | F 10 Celestron StarSense Explorer LT80 AZ 900mm | F 11 Coronado PST Solar Telescope 400mm | F 10 Coronado SolarMax III 70mm Telescope 400mm | F 5.7 Coronado SolarMax III 90mm Telescope 800mm | F 8.9 GSO 6″ F4 Carbon NEWT 612mm | F 4 Lunt 40mm Solar Telescope 400mm | F 10 Lunt 50mm Solar Telescope 350mm | F 7 Lunt LS60 Solar Telescope 500mm | F 8.3 Meade 10″ LX200 2500mm | F 10 Meade 12″ LX90 3048mm | F 10 Meade 8″ f/10 LX200 ACF 2000mm | F 10 Meade 8″ LX90-ACF 2000mm | F 10 Meade ETX90 1250mm | F 13.8 PlaneWave CDK 12.5″ 2541mm | F 8 PlaneWave 17″ Dall Kirkham 2939mm | F 6.8 PlaneWave 20″ CDK 3454mm | F 6.8 PlaneWave CDK 14″ 2563mm | F 7.2 Planewave CDK20 3951mm | F 7.7 PlaneWave Delta Rho 350 1050mm | F 3 PlaneWave Delta Rho 500 1537mm | F 3.03 Rokinon 135mm Lens 135mm | F 2 Saxon 8″ DOB 1200mm | F 5.9 Saxon 909 AZ3 910mm | F 10.1 Sky-Watcher 10″ DOB 1200mm | F 4.7 Sky-Watcher 12″ DOB 1500mm | F 5 Sky-Watcher 14″ DOB 1650mm | F 4.6 Sky-Watcher 14″ DOB 1650mm | F 4.6 Sky-Watcher 150P 6″ DOB 1200mm | F 8 Sky-Watcher 16″ DOB 1800mm | F 4.4 Sky-Watcher 16″ DOB 1800mm | F 4.4 Sky-Watcher 180mm MAK 2700mm | F 15 Sky-Watcher 6″ DOB 1200mm | F 8 Sky-Watcher 70/900 AZ 900mm | F 12.9 Sky-Watcher 8″ DOB 1200mm | F 6 Sky-Watcher 80/900 AZ-GO2 900mm | F 11.25 Sky-Watcher Black Diamond ED100 900mm | F 9 Sky-Watcher Black Diamond ED80 600mm | F 7.5 Sky-Watcher Esprit 100mm 550mm | F 5.5 Sky-Watcher Esprit 120 Super APO 840mm | F 7 Sky-Watcher Esprit 150mm Super APO 1050mm | F 7 Sky-Watcher Esprit 80mm Super APO 400mm | F 5 Sky-Watcher EVOLUX 62ED Guidescope 400mm | F 6.5 Sky-Watcher EVOLUX 82ED 530mm | F 6.4 Sky-Watcher EVOSTAR 150ED 1200mm | F 8 Sky-Watcher EVOSTAR 150ED DELUXE 1200mm | F 8 Sky-Watcher EVOSTAR 80ED 600mm | F 7.5 Sky-Watcher EVOSTAR ED72 Guidescope 420mm | F 5.8 Sky-Watcher MAK150 1800mm | F 12 Sky-Watcher Quattro 150P 600mm | F 3.45 Sky-Watcher Quattro 300/1200 1200mm | F 4 Sky-Watcher Virtuoso 130mm (5″) DOB 650mm | F 5 Sky-Watcher Virtuoso 150mm (6″) DOB 750mm | F 5 SkyWatcher Black Diamond ED120 900mm | F 7.5 TEC APO140FL 980mm | F 7 TEC APO160FL 1120mm | F 7 TEC APO180FL 1260mm | F 7 TEC APO250FL 2200mm | F 8.8 Tele Vue 60 Refractor 360mm | F 6 Tele Vue 85 600mm | F 7 Tele Vue NP101is APO Refractor 540mm | F 5.4 Tele Vue NP127is APO Refractor 660mm | F 5.2 Televue TV-76 OTA Refractor 480mm | F 6.3 Vixen 8″ 200mm Newtonian 800mm | F 4 William Optics GRAN TURISMO 71 419mm | F 5.9 William Optics GRAN TURISMO 81 478mm | F 5.9 William Optics MINICAT 51 WIFD 178mm | F 3.5 William Optics PLEIADES 111 528mm | F 4.8 William Optics PLEIADES 181 998mm | F 5.5 William Optics PLEIADES 68 260mm | F 3.8 William Optics REDCAT 51 II APO 250mm | F 4.9 William Optics REDCAT 71 APO 350mm | F 4.9 William Optics REDCAT 71 WIFD 350mm | F 4.9 William Optics SPACECAT 51 WIFD 250mm | F 4.9 William Optics SPACECAT 61 WIFD 300mm | F 4.9 William Optics ZENITHSTAR 61 II APO 360mm | F 5.9 William Optics ZENITHSTAR 73 III APO 430mm | F 5.9 William Optics ZENITHSTAR 81 WIFD 559mm | F 6.9 ZWO FF107 APO 749mm | F 7 ZWO FF130 APO 1000mm | F 7.7 ZWO FF65 APO 416mm | F 6.4 ZWO FF80 APO 600mm | F 7.5

Choose Camera

Select Camera ... Canon 450D / Rebel XSi DSLR 4272x2848 | 5.19µm Canon 5D Mk II DSLR 5616x3744 | 6.41µm Canon 600D / T3i DSLR 5184x3456 | 4.30µm Canon 6D MK II DSLR 6240x4160 | 5.67µm Player One Mars-C II 1936x1100 | 2.9µm Player One Mars-M II 1944x1096 | 2.9µm Player One Mars-M/C 1944x1096 | 2.9µm Player One Neptune 664C 2704x1540 | 2.9µm Player One Neptune-C II 2712x1538 | 2.9µm Player One Neptune-M/C 3096x2078 | 2.4µm Player One Saturn M/C SQR 3008x3008 | 3.76µm Player One Uranus-C 3856x2180 | 2.9µm QHY 174M/C 1920x1200 | 5.86µm QHY 183M/C 5544x3684 | 2.4µm QHY 200M 1920x1080 | 4µm QHY 268M/C 6280x4210 | 3.76µm QHY 294M 4164x2796 | 4.63µm QHY 461M 11760x8896 | 3.76µm QHY 462C Guidecam 1920x1080 | 2.9µm QHY 485C 3864x2180 | 2.9µm QHY 533M/C 3008x3028 | 3.76µm QHY 585C 3856x2180 | 2.9µm QHY 600M/C 9576x6388 | 3.76µm QHY 678M/C 3856x2180 | 2µm QHY 715C 3840x2192 | 1.45µm ZWO ASI 071MC 4944x3284 | 4.78µm ZWO ASI 120MM 1280x960 | 3.75µm ZWO ASI 1600MM 4656x3520 | 3.8µm ZWO ASI 178M/C 3096x2028 | 2.4µm ZWO ASI 224MC 1304x976 | 3.75µm ZWO ASI 2600MM Duo CMOS 6248x4176 | 3.76µm ZWO ASI 294MC Pro 4144x2822 | 4.63µm ZWO ASI 294MM Pro 8288x5644 | 2.3µm ZWO ASI 462C 1936x1096 | 2.9µm ZWO ASI 533M/C 3008x3008 | 3.76µm ZWO ASI 585MC Pro 3840x2160 | 2.9µm ZWO ASI 664MC 2704x1536 | 2.9µm

TELESCOPE

Focal Length (mm)

F Ratio / F Number

CAMERA

Pixel Size (µm)

Pixels Wide

Pixels High

EYEPIECE

Focal Length (mm)

Field of View / FOV (°)

ACCESSORIES & SETTINGS

Binning 1x1 2x2 3x3 4x4

Magnifier or Reducer / Custom x None 0.2x Reducer 0.22x Reducer 0.24x Reducer 0.33x Reducer 0.5x Reducer 0.63x Reducer 0.67x Reducer 0.7x Reducer 0.73x Reducer 0.75x Reducer 0.8x Reducer 0.85x Reducer 0.95x Reducer 1.15x Barlow 1.5x Barlow 1.6x Barlow 2x Barlow 2.25x Barlow 2.5x Barlow 2.75x Barlow 3x Barlow 4x Barlow 4.2x Barlow 5x Barlow x

PREVIEW TARGET

Mars Saturn Jupiter M83 Southern Pinwheel NGC253 Sculptor Galaxy The Moon The Sun Omega Centauri Orion Nebula The Pleaides Carina Nebula Andromeda Galaxy

< CHOOSE A TELESCOPE

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