About PARI Sky
Information about PARI Sky
- Overview
- PARI Sky records interval 360 degree images of the day and night sky and compares it to a computer generated Virtual Sky.
- Data is stored for research purposes.
- PARI Sky is located on the Optical Ridge at Pisgah Astronomical Research Institute (www.pari.edu) near Rosman, North Carolina.
- Latitude 35.1968 N or 35 11' 49" N
- Longitude 82.8722 W or 82 52' 20" W
- Altitude ~ 3050 feet
- Construction:
- Camera: All Sky Cam by Moonglow Technologies
- Video system: NTSC, 60Hz interlaced.
- Image sensor: Color 1/3" Sony Super HAD CCD II
- Lens: 1.24mm F2.8, 3 elements
- Field of view: 190 degrees hemispherical
- Projection: circular fisheye
- Effective pixels across FOV: 546 x 457
- Exposure time: 1/100,000 to 4 seconds, automatic
- Limiting stellar magnitude: Approx. 4 (limited by sky brightness)
- Minimum illumination: 0.0002 lux (starlight)
- Software:
- Stellarium Planetarium Software generates the Virtual Sky. stellarium.org
- AllSkyCam Uploader Software interfaces with the camera and captures the Real Sky. Link
- Master Control software written in Visual C# - Controls data acquisition, image cropping, and file transfer.