The 90 cm Westerlund Telescope, Ångström Laboratory, Uppsala
Lon. 17 38 51.8E, Lat. 59 50 14.9N, Alt. 51 m |
Left to right: Installation, primary mirror, CCD camera, dome shutter opening, telescope truss tube
The Westerlund telescope was installed in its 6 m diameter dome on the fifth floor of Ångström Laboratory in October, 2003. It is a 90 cm classical Cassegrain reflector with two Nasmyth foci for semi-permanent mounting of different types of instrumentation. The main purpose of the telescope is undergraduate education and introduction to practical astronomical observation methods. The telescope is also used for professional research projects.
Left to right: M57 observed with the Westerlund Telescope, Rosetta space craft fly-by 050304, Comet 17P Holmes 071119 (median filtered)
Current status
- Double filter wheel and ST1001E camera mounted at left Nasmyth focus.
- UVRI filters installed in internal ST1001E filter wheel (open position available).
- Eyepiece mounted at right Nasmyth focus.
- Tube sock is not mounted.
- Script available to add FITS header keywords during sequence imaging.
Detailed information
- Observatory
- Safety information (local access)
- Telescope information
- The flatfield system project
- The dome control project
- The sub-aperture and tube sock project
- Instrumentation
- Detectors
- Eyepieces
- Filters
- Sub-aperture mask (local access)
- Light-shielding tube cover (local access)
- Wind protecting slit cloth (local access)
- Flatfield screen (local access)
- Observing
- Applying for observing time
- Observing schedule
- Daytime observations (local access)
- Standard objects
- Observing aids
- Weather
- Observation log
- User manual (local access)
- Data archiving (local access)
- Technical information
- Cabling (local access)
- Control software
- Derotator (local access)
- Dome (local access)
- Errors and problems (local access)
- Filter wheels (local access)
- Hand paddle (local access)
- Maintenance (local access)
- Support equipments (local access)
- Telescope and instrument status (local access)
- Image gallery
- Telescope and site
- Astronomical objects
- Add an image to the gallery (local access)
- Outreach
- Publications
- Exam project opportunities with WT ("Förslag på examensarbeten")
- Special-event sky shows
Prof. Nikolai Piskunov
Dr. Johan Warell (project scientist)
Lic. Ola Karlsson (gallery maintenance)
PhD. Anna Önehag
Contact information
Phone to telescope control room: 018-471 3038
For all telescope/site related inquiries, please send an email to  .
Note: The telescope is not open for public nighttime use. Please refer to the telescope shows in the observatory park.
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