Study 000198:

ACRONYM: ar_velocity_map_v3

The aim is take a fairly deep exposure of an active region over a large
area (7.5 x 6.5 arcmin2) for the purposes of velocity measurements and
diagnostics. I've set the duration to be about 5hr 40min so it should
fit nicely between the XRT synoptics.  This type of study was one of the
original ones developed by the EIS Science Working Group and was
implemented as COMSCI_AR3 for the 90 day plan.

Consists of two rasters:

(1) 560x512 arcsec2 raster with 40" slit; 10 s exposure time
(2) 460x384 arcsec2 raster with 1" slit; 40 s exposure time

Raster (1) gives context information in 15 wavelength windows.

Raster (2) has a very extensive line list that covers virtually all
major EIS lines.

USE: produces very detailed diagnostic information over a large
area. Should be run on medium-to-large active regions.

WARNING: raster (1) should only be repeated once.

WARNING: The study should be placed on the timeline such that the
change from raster (1) to raster (2) does not take place during an SAA
period. Raster (1) lasts for 3 minutes so this should be
straightforward to evaluate.