does any one here know how (and IF) you can take night time pictures with a digital camera?
whenever I try to photograph the moon I get a white blobe surrounded by a black blob
Some department store digital cameras can be attached to higher end scopes. Like the Nikon Cool Pix and a few others as there lense housing is threaded, and they make attachments for these cameras to the eyepieces of these cameras.
Check this image out! This is by an amature!
This was taken with an Olympus C-2100, using a 14.5 Starmaster, 18mm Radian / Televue Adapter, ISO 100, full manual, 1/10 Sec. Exposures , 10x Optical Zoom , 220 Images Stacked ,RegiStax/PSP7 , Histgram , Levels, Unsharp Mask ,noise reduction 
Just remember, he was using this camera with an amateur 14.5" scope.
