Study 000439:

ACRONYM:  iiap_ch_sns_v2

This is a SNS study for HOP 0175 to detect propagating waves in polar coronal hole.
DPCM is requested to ensure good line profiles.

TARGET        : Coronal Hole.
EXPOSURE TIME : 60s
RASTER TYPE   : Sit'n'stare
SLIT          : 2" 
# of pointings: 180
DATA COMP.    : DPCM
RASTER DURATON: 3h 14m
DATA VOLUME   : 260 Mbits  
LINES         : Fe X, Fe XII, Ca XVII, Fe XII, Fe XIII, Fe XIII, He II

POINTING:
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For HOP 0175, the 512" long slit should be positioned on a coronal hole such that
300" part of the slit should be above the limb.

INSTRUCTION TO PLANNERS:
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For HOP 0175 the studies should be run in the following order (preferably chained,
i.e. appended to the context raster).

1) Run  iia_ch_ctxt_v2 (context study, #ID 438)
2) Run this study TWICE (sit'n'stare study), as follows
   * For first run choose X=0" and 
   * For the second run shift the X position by about 30" so that both the plume
     and interplume regions are covered. 

Total Run-time: ~7h 35m
Total data volume: 620 Mbits

WARNING:
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* Run preferably during SAA-free time period (start of golden period) 
* High data volume HOP