Iapetus rev 49 requests: ISS_049IA_ORSHIRES001_VIMS

Latlon_609 (210) – Trigger 2910 – Terminator Mapping

Update: 09 Aug 2007 (TD)

Secondary axis: NEG_X to Iapetus NorthPoleDir

Spatial resolution (NAC) = 133 ... 144 m/pxl

GMB_E049_Iapetus = 2007-253T14:15:40

Offset from first tracking period (for trigger start): 3:26:26 h

Geometry:

    UTC             ALTITUDE  SC_LAT   SC_LON   Sun_LAT  Sun_LON  PHASE

2007 SEP 10 16:57:19   22159   -10.1    241.3       1.4    214.9   29.1

2007 SEP 10 17:00:06   22548   -10.1    241.4       1.4    214.9   29.2

2007 SEP 10 17:02:48   22926   -10.1    241.5       1.4    214.9   29.3

2007 SEP 10 17:05:30   23305   -10.1    241.6       1.4    215.0   29.4

2007 SEP 10 17:08:15   23690   -10.1    241.7       1.4    215.0   29.4

2007 SEP 10 17:10:16   23973   -10.1    241.8       1.4    215.0   29.5

Goals: - Mapping of equatorial bright terrain near the terminator (~280°-300°W)

Pointing (pdt issues):
- Tracking start UTC: 2007-253T16:57:19 (IA+02:41:39 h)
- Tracking duration: 12:57 min.
- Tracking end UTC: 2007-253T17:10:16 (IA+02:54:36 h)
- Tracking location: -20/298
- 1x5 mosaic south to north
- Dwell = 2:05 min

Exposures (ISSPT issues):
- ISSPT data volume: 53.4 Mb
- NAC N03 (2sum) + clr

Exposure times:
- NAC clr (12 bit): 100ms
- NAC color (LUT 2sum): Uv3 3.2s (g=3); Grn 460ms (g=1); Ir1 380ms (g=1)

Latlon_610 (211) – Trigger 2911 – Moat Crater in Saturnshine

Update: 09 Aug 2007 (TD)

Secondary axis: NEG_X to Iapetus NorthPoleDir

Spatial resolution (NAC) = ~145 ... 148 m/pxl

GMB_E049_Iapetus = 2007-253T14:15:40

Offset from first tracking period (for trigger start): 3:40:34 h

Geometry:

    UTC             ALTITUDE  SC_LAT   SC_LON   Sun_LAT  Sun_LON  PHASE 

2007 SEP 10 17:11:27   24138   -10.1    241.8       1.4    215.0   29.5

2007 SEP 10 17:12:11   24241   -10.1    241.8       1.4    215.0   29.5

2007 SEP 10 17:14:13   24526   -10.1    241.9       1.4    215.0   29.6

2007 SEP 10 17:15:40   24729   -10.1    242.0       1.4    215.0   29.6   req. end

Goals: - Morphology of "Moat" crater at "best ever" resolution
- Half Iapetus sphere (WAC) stereo with VIMS Iapetus010 (the global color) request

Pointing (pdt issues):
- Tracking start UTC: 2007-253T17:11:27 (IA+02:55:47 h)
- Tracking duration: 04:13 min.
- Tracking end UTC: 2007-253T17:15:40 (IA+03:00:00 h)
- Tracking location: +9/325
- 1x2 mosaic
- Dwell = 1:25 min (1st ftprt) and 1:31 min (2nd ftprt)

Exposures (ISSPT issues):
- ISSPT data volume: 21.7 Mb
- 2 NAC clr 18s (g=3) per ftprt
- WAC clr context at very last occasion (exp. = 20ms, LUT)
- Readout index = 10; last BOTSIM readout index = 6 set

Saturnshine smear:
Exp.  1sum       2sum
18s   1.85 pxl   0.92 pxl
22s   2.26 pxl   1.13 pxl
26s   2.67 pxl   1.34 pxl
32s   3.29 pxl   1.65 pxl
38s   3.91 pxl   1.95 pxl
46s   4.74 pxl   2.37 pxl