15 second exposure!

Hi All,

Using the Canon S3 IS, I was trying tonight to get some images using the 15 second exposure (Max exposure on this camera) but this was by hand at the eyepiece, but basically got nothing, so if I invest in the universal camera adapter, what should I be able to image apart from moon/planets, would any DSO's be possible at this exposure? or what mag would be possible to image?

If it is possible, does it make much of a difference imaging at the eyepiece or using a T adapter etc.. to connect the camera to the scope?

Cheers,
Gary

Hi

15 secs can be enough to get some bright dso.

I have found that imaging at an eyepiece is a big pain as it is essential that you have the camera precisely aligned with the eyepiece when you image otherwise you will get wonky looking smeared images. I think you are better off to image prime focus with a T-adaptor and save all the heartace and trouble.

Just my opinion though.

DB

Gary you can get clamp type devices which hold a camera in place e.g.

See this page for some examples (look down towards the bottom)

www.astro-engineering.com/Camera%20Mount...igitalcameraand.html

Thanks for the info, based on that I've purchased the T-adapter etc.. needed from E-Bay that I need.

Hopefully start posting some pics soon.

Thanks!
Gary.

Hi Gary! I got a pic of the orion nebula handheld upto a 4.5" Newt and it was about a 7 second exposure!

Matthew

Great so it is possible! Am hoping to have all the bits needed by the weekend... now just to get some clear skies!