Eric's Astronomy Blog

Sunspot 0756


The upper image is Sunspot 0756 taken on 30 April 2005 at 1740h BST (1640h UT) afocally using a 15mm Plossl eyepiece on a 114mm reflector telescope with a Baader foil sun filter. Camera settings were ISO 100, f/4.2, 1/15sec, manual focus. The image was processed using Adobe Photoshop CS.

This sunspot group is about 5 times wider than the Earth.

The lower image was taken on 02 May 2005 at 1740h BST (1640h UT) using same eyepiece and camera settings. 33 images were stacked using Registax3 and processed using Adobe Photoshop CS.

 


Home


Site established on 15.05.04

Designed and compiled by Eric W. Walker