SGR 1806-20 Sudden Ionospheric Disturbance

We are using this web page as a clearing house of SID data associated with SGR 1806-20's 041227 superflare.

• GCN #2932 - Publication of our observations!
• Howe's Plots: Full Plot | First 120 secs |DFT of first 120 secs (courtesy Peter Schnoor)
• Mc. William's plot and a zoom
• Campbell's plot
• Hill's plot and a zoom
• Samouce's plot
• Mandaville's plot and a zoom
• Wink's plot of NML, NPM and solar cell output from sky.
• Moos' data and plot (Excel xls)
• Mortfield's plot
• Moore Observatory Online Recorder: NAA Plot | NAA Data
| NPM Data
• Negative Observations
• Plot of Welch's nondetection
• Plot of Schnoor's nondetection
• Plot of Ashcraft's nondetection (at 18.7 MHz)

More Info

• Updates via the AAVSO-SID-List Discussion Group
• GCN Circulars Archive
• AAVSO SID Program