EPOXI

Two intriguing investigations -- One flight-proven spacecraft

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103P on 2010-11-21

Image of 103P/Hartley taken 2010.11.21 by DI S/C and marked with directional pointers.

Caption: This EPOXI mission image of comet 103P/Hartley 2 was taken 17 days after Encounter (E+17d) using the Medium Resolution Instrument (MRI) and a clear filter. Science Team member Dr. Dennis Wellnitz combined two 60sec exposures. The mid-exposure time was 2010/11/21 19:40:19 UTC. The comet was 1.11 AU from the Sun and 0.12 AU (18.1 million km) from the spacecraft.

Technical Details

Image Parameter	Details
Spacecraft:	Deep Impact Flyby
Instrument:	Medium Resolution Instrument (MRI)
Mid-exposure Date/Time (UTC):	2010/11/21 19:40:19
Filter:	Clear
Exposure:	2 x 60 sec
Pointing:	RA 08^h 41' 48" Dec -37° 13' 08"
Field of View:	approximately 92,800 km at the comet
Solar Elongation:	95°
Solar Phase Angle:	79°
Sun-Comet distance (r):	1.1120 AU (166 million km)
DIF-Comet distance:	0.1212 AU (18.1 million km)

Table 1: Data about image.

Additional Images:

Image of 103P/Hartley taken 2010.11.21 by DI S/C.

Click for full size image.
This is the same image as above, but without the pointers.

Negative image of 103P/Hartley taken 2010.11.21 by DI S/C.

Click for full size image.
Negative of the same image which makes it a little easier to see the faint coma around the comet.

Credit: NASA/JPL-Caltech/UMD

103P spectra, lightcurves...

2010-10-27 CN coma
2010-10-27 jets, lightcurve
2010-10-21 lightcurve
2010-10-16 spectrum

103P on...

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