1. OSIRIS flight calibrations so far
OSIRIS was operated 3 (4) times:
March 11-12: 1 long pass (~10 hours) Slot 1
Mostly functional tests
Calibration Bias with warm CCD
April 25 – May 1: 6 passes (~ 5 hours each) Slot 2
Shutter optimization and calibration
June 3-5: 2 passes (~5 hours each) Slot 2b
(Aug. 4-5: Test of data access through DDS)
No calibrations done

2. Image statistics Slot 1: 41 images Slot 2: 1149 images
22 Bias
6 First test of image acquisition
13 Shutter optimization
Slot 2: 1149 images
188 Calibration
961 Shutter optimization
Slot 2B: 358 images
44 Calibrations
3 Plain file test
311 Shutter optimization

3. CCD Calibrations Calibration Bias with warm and cold CCD
Covers all configurations except low power mode and dithering
Additional subframe bias before stellar calibrations
CCD sync tests

4. Internal lamps “Flat fields” with internal lamps with both cameras
1 uncompressed flat field for standard filter combination with main and redundant lamps
Compressed (ratio 6) flat fields in “all” other non-UV filters
Check of blocking of visible light in UV filters with uncompressed images, 8x8 binning

5. Calibrations with open doors
Stellar intensity calibration pointing at ε Aqr
Secondary spectrophotometric standard
Also useful for focus, PSF, and spacecraft pointing relative to OSIRIS
“Random” star fields compressed (ratio 20) and uncompressed
Geometric calibration, PSF, focus, spacecraft pointing
Straylight at 90 deg. solar elongation
WAC: Neptune in the field of view

6. Calibrations with open doors (2)
Images of comet LINEAR 2002 (T7)
Straylight at 45 degrees solar elongation PR

7. Other Calibrations High-speed imaging test
Maximum image repetition rate