Telescopes and Equipment

This is a partial listing of astronomical equipment available for use by ASEM members. For more information send email to equipment@asemonline.org.

12" ("Nolan") DOB 69" FL

Available to members to checkout. Features include a Telrad finder as well as an 8x50 straight-thru finder, 1.25" Crayford focuser.


40cm Jones-Bird Telescope


16" telescope. Available to use at the Park.


Training and reservations required.


Temporarily Out of Service (17 May 2021)


18" Obsession Telescope

Available for members to check out.




80cm Telescope


This 32" telescope is currently in service at Broemmelsiek Park.



This is the LARGEST PUBLICLY-AVAILABLE TELESCOPE in the state of Missouri.


As the use of a ladder is required, there are safety considerations requiring minimum age, height, and other health requirements. The ladder is a rolling 6-step ladder with handrails, similar to what you would see in a large hardware store.







60 mm Solar Telescope


Lunt Hydrogen-Alpha Solar Scope


Available to members for check out (includes mount).




40 mm Personal Solar Telescope


Coronado Hydrogen Alpha Solar Scope


Available to members to check out (includes mount)


Starmaster 14.5-in Telescope


Available to members to check out.


Meade ETX125 Telescope


Available to members to check out. Has white-


light solar filter.


Barska 25x100 astronomical binoculars,

Oberwerk tripod and parallelogram mount


6" Orion Dob

Light-weight telescope that fits easy in your car. Great for beginners!


  • Finder : red dot

  • Tube: metal

  • Optical diameter: 150mm (6")

  • Focal length: 1200mm (48")

  • Focal ratio: f/8

  • Optical tube length: 45.5"

  • Optical tube weight: 13.5 lbs.

  • Mount/ tripod weight: 20.9 lbs.

  • Weight, fully assembled: 34.4 lbs.



6" f/8 Criterion RV-6 Dobsonian

Small telescope that fits in your car. Great for beginners!

  • Finder : 6x30

  • Tube: Bakelite

  • Optical diameter: 150mm (6")

  • Focal length: 1230mm (49")

  • Focal ratio: f/8

  • Optical tube length: 51"

  • Optical tube weight: 25 lbs.

  • Mount/ tripod weight: 27 lbs.

  • Weight, fully assembled: 52 lbs.



Astro-photography Equipment


  • SBIG STL-1001

  • Canon Ti1 camera

  • Revolution Imager w monitor


All 3 available for members to check out.