Quote:
Originally Posted by dpastern
Thanks guys. You are probably right - not enough data.
Trevor - I'm using a Equinox 100ED + EQ6PRO mount. Since I don't have a permanent setup, nor an ability to have one (long story short my parents property is in about the worst possible shape/position/location possible), I'm having to setup every time. At this point I am not doing an accurate polar align, I'll try this via the drift align method when I get a Reticular eyepiece with about 90x mag. That should hopefully allow some longer subs then.
I'm shooting from suburbia Brissie - Ipswich. So, LP is an issue. The Mark IIn camera is older as well, so noise at ISO 1600 is quite bad, especially when compared to newer cameras like the 5D Mark II.
Bojan - I have a sneaking suspicion that the black artifacts are from DSS trying to remove hotspots from my camera's sensor. Again, I'm very unhappy with Canon in this respect - my Mark IIn has probably 100+ hot pixels even with Six second exposures. It's not normal and is not within spec I believe and is disgraceful QA from Canon.
I'm to the point where after being a Canon user for 20 odd years I'm going to give them the finger and switch to Nikon. Far better cameras imho.
Dave
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Hi Dave
i used to get subs of about 2 mins tops, before i was autoguiding, so getting a more percise alignment will allow you to get some good shots, and 10 or so 2min subs stacked with DSS will produce a nice image.
While stacking images will improve the SNR and make detail easier to see, at the end of the day, there is no real substitute for exposure, and you shoul do some tests to see how far you can push your subs.
stick at it though !!
