Alphea

Alcor System



Shipping and Delivery: After the sale is complete, we will submit an invoice with the proper shipping costs and estimated delivery times for your review

Applications:

  • Astronomy

   Cloud cover and transparency map, Robotic telescopes farms, no mobile parts.

  • Free Space Optics (FSO) communication

   Cloud cover and transparency map, Site survey, Network architecture design and balancing 

  • Atmospheric studies

   Atmospheric transparency, urban light pollution monitoring, northern lights, passive optical sensing. Network of AllSky camera 

  • Defense

   Realtime and passive optical detection for satellite re-entry, planes and drones. Network of camera to cover larger territory

  • Solar Power

   Cloud cover, transparency map, site survey and power production forecasting

Live Feed From Around The World:http://www.astrosurf.com/cavadore/meteo/current/allSkys.html

Video Example

Camera types

Six cameras type are proposed to accommodate customer requirements

Name Sensor Resolution Detector resolution Field of view Pixel Scale Daylight
imaging
ALPHEA 6ML Monochrome 4.5 Million pixels 3100 x 2100 pixels 180° x 130° 3.3 arcmin/pix Yes
ALPHEA 6CL Color 4.5 Million pixels 3100 x 2100 pixels 180° x 130° 3.3 arcmin/pix Yes
ALPHEA 6MW Monochrome 2.7 Million pixels 3100 x 2100 pixels 180° x 180° 5.4 arcmin/pix Yes
ALPHEA 6CW Color 2.7 Million pixels 3100 x 2100 pixels 180° x 180° 5.4 arcmin/pix Yes
ALPHEA 3MW Monochrome 0.9 Million pixels 1940 x 1230 pixels 180° x 180° 8.0 arcmin/pix Some parts can saturate
ALPHEA 3CW Color 0.9 Million pixels 1940 x 1230 pixels 180° x 180° 8.0 arcmin/pix Some parts can saturate

Specefications


Parameter

Value

Field of view

180° x 180 ° or 180° x 130°
See images above to assess this performance

Camera resolution

ALPHEA 6xx - 3100 x 2100 (6 Mpixels) 2.4 x 2.4 µm pixel
ALPHEA 3xx - 1940 x 1200 (2.1 Mpixels) 5.8 x 5.5 µm pixel
Backside illuminated CMOS sensor
No mechanical shutter ALPHEA 6xx : rolling shutter, ALPHEA 3xx : global shutter

ADC resolution

ALPHEA 6xx : 14 bits ALPHEA 3xx :12 bits

Video stream

(USB 2.0) ALPHEA 6xx : 7 fps and ALPHEA 3xx :18 fps

AVI output or snap image mode

Exposure time

From 32µs to many hours of exposure (all sky mode, typically 30s to 60s)

Gain

Variable
Gamma Tunable +50 units to -50 units
Cooling Passive from camera body, no active cooling

Image download time

< 20 ms

Control software

ALCOR SYSTEM Windows AllSky software supplied at no additionnal costs, SDK on request

Operating system

Windows (Seven, 8, 10) 32 & 64bits

Linux (contact us, SDK available)

To PC interface

USB 2.0 / 20 m length cable, perfectly reliable operation. Ethernet link on request.

Top dome heater

Manual enable/disable operation from the user, some watts are injected to remove dew.

Power supply

PC powered, 24V and 0.1A
Filter wheel None
Daylight imaging ALPHEA 6xx Capable, ALPHEA 3xx may saturate with white clouds
Auto-iris
None, fixed F/1.4 lens
Day operation possible with ALPHA 6xx with lowest gain and exposure time

Focus adjustement None, factory tuned

Other informations

Tight to bad weather condtions (rain/snow), anodized aluminium casing, acrylic dome, water tight connectors / IP67 protection

Weight

1.5 kg

Dimensions

125mm diameter, 120 mm height

Operating temperature range

from -40°C to +45°C

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