THE SUN

• H-α
• White Light

Afocal image with a Nikon 4500 digital camera. Processed including Un-Sharp Mask. 288mm effective focal length. 60mm H α filter. 11th June 2005 by John O'Neill.

Whole Disc/Details of Sun in H α in May 2005

At left: Prominence and Plages. Afocal image with a Nikon 4500 digital camera (not processed). Effective Focal Length 320mm. 60mm H α filter. At right: Detail Processed but at 970mm effective focal length. 10th May 2005 by John O'Neill.

Prominence in H α in March 2005

Solar Prominence. Afocal image with a Nikon 4500 digital camera (not processed). Effective focal length 1000mm. 60mm H α filter. 19th March 2005 by John O'Neill.

Two large sunspot groups, taken by Gerry Moloney on 30 October 2003.

Striking Sunspot 16th August 2002

Taken by John O'Neill through a 70mm refractor working at a focal length of 520mm. 1/1000 second with a Solar Filter. It was a prominent spot to the protected naked eye.

Large sunspot groups February 2000

Taken by John McConnell on February 28th 2000 at Prime Focus of an ETX90mm. 1/60 second on E100S slide film,and a full aperture Thousand Oaks Solar Filter. The slide was scanned and the colour adjusted to near normal.The two large groups were visible to the protected naked eye.