OMNIWeb+ Browser
Interface to produce plots, listings or output files from SOHO Proton and Helium Instrument (EPHIN, level3), hour averages

Original data source:

Time span: 1995-12-08 - 2023-05-14

Please enter your selections and then click on the Submit button.

Select an activity
Plot data Stack plot option
List data Create file (file?)

Enter start and stop dates: year,month,day(YYYYMMDD) or year,day_of_year(YYYYDOY)
   Start time    Stop time

Select variables/parameters

Flux units are: 1/(cm^2 sec ster MeV).
Fluxes   (Numbers below are min/max energies in MeV/n)
4.3-7.8 H
7.3-25.0 H
25.0-40.9 H
40.9- 53.0 H
4.3-7.8 He
7.3-25.0 He
25.0-40.9 He
40.9- 53.0 He

*Advanced plot selections (optional)
Y-axis Scale: Character size(0.5-2.0):
Plot Symbol: Symbol Size(0.1-4.0): Image size (pixels) X: Y:

If you have any questions/comments about the OMNWeb Plus, contact Dr. Natalia Papitashvili,Mail Code 672, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

NASA Official: Robert Candey (, Head of the Space Physics Data Facility