1. { OccuRec - Specialized Software for Video Occultation Recording Hristo Pavlov TTSO8, Melbourne, 21 Apr 2014

2. 6716671767186719 6720672167226723 6724672567266727 Integrating Cameras – Repeated Frames

3. Repeated Measurements

4. 6716 67206724 Measurements - Software Binning

5. Issues with AVI files Repeated information Repeated information Larger file size Larger file size Measurement issues requiring binning Measurement issues requiring binning

6. Recording Time Binning or Averaging P9 13:09:23 4795 84316 P9 13:09:23 4995 84317 P9 13:09:23 5195 84318 P9 13:09:23 5395 84319 P9 13:09:23 5595 84320 P9 13:09:23 5795 84321 P9 13:09:23 5995 84322 P9 13:09:23 6195 84323 P9 13:09:23 4795 84316 P9 13:09:23 4995 84317 P9 13:09:23 5195 84318 P9 13:09:23 5395 84319 P9 13:09:23 5595 84320 P9 13:09:23 5795 84321 P9 13:09:23 5995 84322 P9 13:09:23 6195 84323

7. Composing a Clear Timestamp P9 13:09:23 4795 84316 P9 13:09:23 4995 84317 P9 13:09:23 5195 84318 P9 13:09:23 5395 84319 P9 13:09:23 5595 84320 P9 13:09:23 5795 84321 P9 13:09:23 5995 84322 P9 13:09:23 6195 84323 P9 13:09:23 4795 84316 P9 13:09:23 6195 84323

8. Preserving VTI-OSD Lines P9 13:09:23 4795 84316P9 13:09:23 4995 84317

9. Demo 1 OccuRec – VTI-OSD Preservation

10. Demo 2 Playing and measuring AAV files

11. Integration Detection Algorithm – Automatic Detection Algorithm – Automatic Detection Calibration and Adjustments Calibration and Adjustments Algorithm - Manual Integration Rate Algorithm - Manual Integration Rate Integration Rates of x1 and x2 Integration Rates of x1 and x2

12. Demo 3 OccuRec – Integration Detection

13. Learnings from Implementing Integration Detection Combining Wrong Video Fields Combining Wrong Video Fields Video Grabbers have Quirks – Periodic and Predictable Field Combination Errors Video Grabbers have Quirks – Periodic and Predictable Field Combination Errors

14. Demo 4 OccuRec – Recording Scheduler

15. On-The-Fly Tracking and Measuring Guiding and Tracking Stars Guiding and Tracking Stars Live Lightcurve Live Lightcurve

16. Demo 5 OccuRec – Tracking and Lightcurve

17. NTP Timespaming Enabling and Recording NTP Timestamps using OccuRec Enabling and Recording NTP Timestamps using OccuRec Testing Against NTP Time Reference Testing Against NTP Time Reference Testing Against HTCC Time Reference (over USB) Testing Against HTCC Time Reference (over USB) Testing Against IOTA-VTI Time Reference Testing Against IOTA-VTI Time Reference Timing Events Timestamped with NTP Time using Tangra3 Timing Events Timestamped with NTP Time using Tangra3

18. Time Drift of Windows Clock

19. Windows Time may show large random offsets on *some* systems

20. 24 Hours Continuous Test – Tangra Observatory

21. 48 Hours Continuous Test

22. Observatory Control Telescope and Focuser control via ASCOM Telescope and Focuser control via ASCOM Direct control of WAT-910BD Direct control of WAT-910BD Video Camera control via ASCOM Video Camera control via ASCOM

23. Future Development … Mutual events mode Mutual events mode Auto focusing Auto focusing Auto pulse-guiding Auto pulse-guiding Improved Observatory Control Improved Observatory Control ADVS – Windows Support ADVS – Windows Support Plate-solving and field identification Plate-solving and field identification Fully automated and unattended occultation recording Fully automated and unattended occultation recording

24. Questions? http://www.hristopavlov.net/OccuRec