Archive for the 'Propagation' Category

Must be running on a Zune

Saturday, January 3rd, 2009

Oh dear. Since the turn of the year the SoHO sunspot image has gone nuts. Boy, if we only had that many spots! It looks like all of the spots for 2008 have been dropped onto the image, although I haven’t gone back and checked for the oldest number shown [I have now and the […]

Bingo! not so…..

Saturday, December 27th, 2008

Group 11009 has shown on the Sun. It looks like the SSN may be as high as 23 by the end of the day, if that second group right behind gets counted (or keeps growing). The only downside is a big Coronal Hole straight on axis at Earth, which may put a damper on things.
P.S. […]

Here comes the Sun… it’s alright

Wednesday, December 24th, 2008

SoHO MDI, EIT imager and STEREO Behind all confirm that group 11009 is coming around the Eastern limb of the Sun. EIT is showing ‘flaring’ around the limb and STEREO shows two very strong spots from it’s view at 45 degrees from straight-on. Soooo, look for some potential action late on 26th Dec or into […]

STEREO gets interesting

Saturday, December 13th, 2008

Just after the STEREO mission came live, I wasn’t very impressed. I even sent away for some free (as in beer) 3D viewing glasses. The problem was that the data was very patchy and there were a very limited number of far-from-real-time 3D images.
However, STEREO is much more interesting than that. By viewing the B […]