The prime focus unit of the STELLA/SES telescope is currently being manufactured. It consists of the prime-focus corrector with a FOV of about 1 arcmin, an ADC, a fiber-viewing camera, calibration light injection, and the fiber-injection mounted on a focus-stage.

STELLA/SES prime focus unit (1).		STELLA/SES prime focus unit (2).

STELLA-I (left) is feeding the spectrograph fiber, while STELLA-II is waiting for the commissioning of the prime focus unit.

STELLA-I		STELLA-II

The second STELLA telescope was delivered Dec. 12, 2005

Lifting in the STELLA-II telescope		Installed STELLA-II telescope

Telescope construction

Telescope construction. Oct. 2005, Augsburg		Design of the STELLA-II focal station

Main mirror and mirror cells

STELLA-II main mirror. d=1,2m Zerodur produced by ZEISS.		Mirror cell design 1 (courtesy of Roschiwal+Partner, Augsburg)
Mirror cell design 2		Mounted mirror cell (courtesy of Halfmann Teleskoptechnik).

The first STELLA telescope was delivered Nov. 16, 2004

First day's webcam movie		Second day's webcam movie

Assembly of the mechanical structure of the STELLA-I telescope has begun in July 2004.

The telescope under construction at Halfmann-Teleskoptechnik (July 2004). The telescope tube under construction at Halfmann-Teleskoptechnik (July 2004).

Schematic Stella-I drawing Stella-I telescope construction drawing (pdf, Feb 2004).

Schematic Stella-II drawing mechanical design drawing of the Stella-II telescope (pdf).