Sky type photos are pinky purple hue think ccd sensor failure

Unfortunately what you have described indicates that there is a problem with the ccd (the light sensitive chip that produces the image)or the connection to it. The good thing is that your camera is on the list of Canon cameras for free repair. You can access the necessary information at the links below or use the contact information to set up your free repair: click on or copy and paste the link into your browser
Canon's Response:
Effective immediately, and regardless of warranty status, Canon will repair, free of charge, the products listed above exhibiting the above-mentioned malfunction if Canon determines that the malfunction is caused by the CCD image sensor. Canon will also cover the cost of shipping and handling in connection with this repair.
U.S. residents are kindly directed to contact the Canon Customer Support Center for further assistance .

Contact Information for Inquiries
Canon U.S.A., Inc.
Customer Support Center
Phone:
1-800-OK-CANON (toll free)
1-800-652-2666
TTD:
1-866-251-3752 (toll free)
Email:
[email protected]
http://www.usa.canon.com/consumer/controller?act=PgComSmModDisplayAct&fcategoryid=221&modelid=8288&keycode=2112&id=48264
http://www.imaging-resource.com/badccds.html