Equipment

Main requirements:
      •   Wide field of view (all-sky)

       Possibility to use polarization filter

       Aperture

*  Mechanics for filter rotation

-  Linearity of CCD on light intensity

-  12-16 bits intensity depth

o   Automatic operation

o   External mount

v  Optional registration of aurora during night time

Characteristics of basic lens “ÎÑØ-08-ÃÀΔ:
  • Focus distance 1.6 mm
  • Field of view 180 deg
  • Circular image with diameter of 4.2 mm
  • Aperture 1:0.82
  • Spectral region  430-750 nm
  • Resolution:
    •   Center – 100 lines/mm
    •   Edges – 70 lines/mm
  • CS-mount
  • Length  235 mm
  • Diameter – 103 mm

Camera Prosilica GC-780:

-          Interface IEEE 802.3 1000baseT

-          Resolution 782 x 582

-          Sensor Sony ICX415

-          Sensor type CCD Progressive

-          Sensor size Type 1/2

-          Cell size 8.3 μm

-          Lens mount C (adjustable)

-          Max frame rate at full resolution 64 fps

-          A/D 12 bit

-          On-board FIFO 16 MB

-          Output Bit depth 8/12 bit

-          Mono modes Mono8, Mono12, Mono12Packed


Filters:

  • Polarization Sony CPL (37 mm) – is possible to rotate
  • Blue-green ÑÇÑ21 (h=3 ìì) – steady state
  • Yellow ÆÑ17 (h=3 ìì) – may be removed from the field of view


Mechanics for CPL filter rotation

 

Twi-light camera without box

 

 

Twi-light camera at position