Surveillance Web Camera

1
Surveillance Web Camera

• David Luis
• W.M. Keck Observatory
• Akamai Internship Program
• Mentor Craig Nance, Chase Reed
• Home Institution University of Hawaii at Manoa

2
Snow Build Up Problem

• Dome shutter accumulation
• Primary mirror
• Instrument damage
• Access road drift
• Prevents access
• Staff stranded on summit

3
Solution

• Solution
• Webcamera to provide quick and accurate
  assessment and action

4
Project Overview

• Select a camera system
• Set up infrastructure
• Assemble, test, and install system
• Test and verify camera performance

5
Selecting a Camera System
6
Operation Parameters in Enclosure

• Temperature
• 9 to 35 Celsius
• Humidity
• Based off humidity range of UKIRTs Sony Camera
• 20-80
• Light Intensity
• (50 microlux 85klx)

7
Camera Research

• Searching the Internet
• Use two cameras
• Color camera for day viewing
• Monochrome camera for low-light viewing
• Auto-iris needed
• Final Decision
• Sony SNC-CS3N digital color camera for day time
  viewing and color information
• Super Circuits PC164C Micro Super Low-light
  monochrome camera for low-light viewing
• Moxa Vport 2110 IP converter
• Sola brand power supply

8
Camera Infrastructure
9
Camera Infrastructure

• Conduits and flex
• Distribution box
• Ethernet lines
• Power lines

10
Assemble, Test and Install System
11
Camera Installation

• Device testing
• Tested each
• Tested all at once
• Device placement
• Hardware mounting
• Ethernet connectors and testing
• Power up!

12
Testing and Verification
13
Testing and Verification of Performance

• morning sunlight mitigation
• Sunlight on both cameras
• spacer between cameras and move enclosure left
• night viewing
• viewed twinkling stars
• what it is doing now
• viewing dome and small part of road
• future
• automatic light detecting circuit with armature

14
Acknowledgements

• Craig Nance, Chase Reed, Arnold Matsuda
• Sarah Anderson
• Malika Moutawakkil Bell
• W.M. Keck Observatory
• University of Hawaii at Manoa
• Funding provided through the Center for Adaptive
  Optics, a National Science Foundation Science and
  Technology Center (STC), AST-987683