HMI test data (full disk)

Dimensions: 4096 x 4096 pixel frames
Time: 24 hours of data with 45 second cadence, 10th April 2010
WARNING: These files are not necessarily numbered in temporal order! Use the T_REC or T_OBS time in the header to verify the time of the observation! There will also possibly be missing frames.

HMI (hmi.v_45s) keywords

Sample frames of Intensity, Magnetic field & Velocity:

Some statistics of the velocity test data:
Mean of 1900 Dopplergram frames (almost 24 hours)
Absolute value of the above image.

Additional solar data from a similar period:
Hinode search for data on this day

Power spectrum comparison between MDI full-disk and HMI

MDI and HMI power spectra.

Cuts through the power spectra at constant kR.

Average of the power as a function of frequency (top) and wave number (bottom).

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