British Astronomical Association
Supporting amateur astronomers since 1890

Secondary menu

Main menu

BAA Gallery Picture of the Week
Image search

Sunspots - 4 July 2009 - Peter Meadows

Image

Expand image

About this observation
Observer
Peter Meadows
Time of observation
31/12/2009 - 14:00
Like This Image
 0  
Share

A new active sunspot group appeared on the disk on 4th July.  AR 1024 has developed quite quickly and contains more sunspots in one group than I can recall seeing for quite a while.  The attached image shows that it is quite active in H alpha with several changes occurring over just a few minutes.

Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of the work by third-parties is expressly forbidden without the consent of the copyright holder. For more information, please contact the webmaster.