Telescope and Optics

Telescope

Optic Diameter Focal Length Plate Scale Angular Resolution Minimum Airy Disk (Blue) Manual
Meade LX200GPS 304.8 mm 3048 mm 1.128 arcmin/mm 0.38 arcsec* 0.78 arcsec LX200GPS
Skywatcher Equinox-80 PRO 80 mm 500 mm 6.875 arcmin/mm      

* Limited to 0.5arcsec due to atmospheric turbulences (Dawes' Limit)

Optics

Eye piece Focal Length Apparent Field True Field Magnification
Meade 8x50 finder scope 50mm N/A 5º 8
Meade Super Plossl 32 mm 52º 32.8 arcmin 95
Meade Super Plossl 26 mm 52º 26.6 arcmin 117
Meade Super Plossl 12.4 mm 52º 12.7 arcmin 246
Illuminated Meade Plossl 9 mm 52º 9.2 arcmin 339

Focal reducer Focal Reduction Plate Scale Field of View Modifier
Meade series 4000 f/6.3 1.79 arcmin/mm x 0.63
Meade super plossl f/3.3 3.42 arcmin/mm x 0.33

Focus Method
Meade Zero Image Shift-Electronic Micro-Focuser  

Mounting

Mount Attachments
Meade LX200GPS Fork mount    
Farpoint dovetail rails Farpoint Guidescope rings Farpoint counterweights

Astronomical Calculators

Stargazing Calculator

Wilmslow Astro Calculator

SaharaSky Formulae

Camera Field Calculator

Edit | Attach | Watch | Print version | History: r15 < r14 < r13 < r12 < r11 | Backlinks | Raw View | Raw edit | More topic actions

Physics Webpages • RHUL Webpages • Campus Connect • Royal Holloway, University of London, Egham, Surrey TW20 0EX; Tel/Fax +44 (0)1784 434455/437520

Topic revision: r15 - 05 Aug 2016 - JosephBayley

 
This site is powered by the TWiki collaboration platform Powered by PerlCopyright © 2008-2024 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding RHUL Physics Department TWiki? Send feedback