On Mon, 17 Jan 2005 17:21:38 -0000, "Rob Overfield"
wrote:


"Pete Lawrence" wrote in message
.. .

On Mon, 17 Jan 2005 17:14:55 -0000, "Pat Slattery"
wrote:

To see if it is worth braving the snow, wind, rain tonight, try this
worthwhile site for (UK) aurora info.
http://www.dcs.lancs.ac.uk/iono/auro...h/rt_activity/

Bz has also decreased from 20 nT North earlier today to just over 4 nT
North a few moments ago. If it swings south, pray for the clouds to
clear!

You seem to be the expert on this Pete, where are you getting your readings
from?

X = unknown quantity, Spurt = drip under pressure - very apt in this
case ;-)

http://www.dcs.lancs.ac.uk/iono/auro...h/rt_activity/

as posted by Pat, is excellent and the trace is starting to wobble by
the looks of it.

Click on the "Live data links & explanation" link and you have access
to some 'live' data sites.

http://sec.noaa.gov/ace/MAG_SWEPAM_24h.html

gives you a Bz graph. www.SpaceWeather.com also gives you a Bz figure
on the left hand column of the page. It also gives a nice explanation
as to why south is preferable.

It could go any way at the moment. However, activity is better than
no activity and POES, CANOPUS and York are both showing that
something's apparently starting to happen.

--
Pete
http://www.digitalsky.org.uk