AstraLux is a Lucky-imaging camera for high spatial resolution astrometry and photometry in visible light and in the near-infrared, optimised for point-like objects

Available at: Cassegrain station of the Zeiss 2.2 m reflector

Contact: Esta dirección de correo electrónico está siendo protegida contra los robots de spam. Necesita tener JavaScript habilitado para poder verlo.


In a nutshell

Instrument name AstraLux
Observing technique Direct imaging (lucky imaging, high speed photometry)
Camera Andor DV887-UVB back-illuminated
Detector size
512 x 512 px
Wavelength sensitivity range
400 nm to 850 with QE > 40 %
Pixel size
16 μm
Image scale (includes internal Barlow lens)
47 mas/px
Field of view (inlcudes internal Barlow lens)
24 x 24 arcsec
Image rate
34 Hz @ full frame, several x 100 Hz for sub-arrays, 20 μs shortest integration time
Filter wheel
8 positions, standard 50 mm filters


Observing with Astralux

Preparing observations During observations
After observing
Requesting observing time AstraLux user guide Offline pipeline
AstraLux user guide Extended checklist Considerations on data storage
Considerations on data storage  Short checklist  
   Night logsheet pdf download  


More information

Technical data

S/N and dynamic range considerations

AstraLux page at Max Planck Institut für Astronomie (MPIA)

Reference article: arXiv link

Calar Alto Press Releases

First light press release

The weird system of star CVSO 30: two planets at extreme distances

Discovery of an exoplanet which helps us to understand the formation of Mercury

Saturn’s hexagon from Calar Alto and from space