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Description

This mode uses HRI telescopes targeting a region of quiet sun. It is most appropriate to be used close to perihelion, near co-rotation.

The mode can be commanded on HRI_EUV and HRI_Lya telescopes independently.

Parameters

 

Resource usage

Observing mode TargetInstrument ChannelCadenceRebinningCompression#Images/hData RateData RateMax time
    (nm)(s)or subfieldrate (Gibits/h)(bits/s)per orbit
EUV Quiet Sun (Q) Full HRI FOV of quiet sunHRI_EUV17,4819.445014.06

4194304.0

3 h
LYA Quiet Sun (Q) HRI_LyalphaLy alpha1118.753600

Maximum time in this mode

TM-hungry mode, limited to 3 hours per orbit  = 85% of EID-A allocation (if both telescopes are used), if all resulting TM gets downlinked!

 

EPS observation:

EUV_QS 

LYA_QS

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