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The Telescope
• British-Hawaiian collaboration• Largest for education only use• Offline and online use
Data Delivery
• British classrooms:– Immediate jpeg delivery– Download for further imaging
• Hawaii alternative?
Existing Imaging Tools
• Sophisticated tools– SAOImage and SAOImage DS9– SkyCat and Jskycat– ATV
• Tools for K-12 users– HOU-IP– LTImage
Applets as Imaging Tools
• Interactive
• Portable
• Require only a browser
• No applications to install or maintain
Testing the Tools
• Evaluated in terms of software usability
• Servlet container on Maui machine
• TOPS workshop test users
• Rated “perceived usefulness” and “perceived ease of use”
• Scale from 1 to 7
Test Results
Users also made a significant number of thoughtful comments
Perceived
UsefulnessPerceived Ease of
Use
Blink Tool 5.6 5.8
Gray Scale Tool 4.5 3.9
Color Image Tool 4.6 5.3
Measurement Tool 6.3 6.0