I edited my post to newt, I didn't realise they made such a big one till I looked it up.
RE the FOV difference, I don't really understand this but the really crap images I have from my DSI camera are way narrower than this canon. I just thought the sensor was smaller and didn't see as much. I'll hit up my brother in law the optician for info on the weekend
I got 5 hours worth of M20 here ->
http://www.iceinspace.com.au/forum/s...ad.php?t=33082 but it didn't impress me at all. The gradient was really hard to remove, see the red haze to the lower left. I now have a CLS filter installed and I do have a BCF filter coming from honkers for the camera with a view to getting a HA component to these images.
I am guiding 17.5Kgs on that HEQ5pro. I have an eq6 on order