[astro_south (Andrew)]

Originally Posted by iceman

What was the shutter speed?

From memory I think the shutter speed was 1/100. The avi's without the barlow looked better at 1/50, but at higher power (ie barlow used) the detail was washed out. Changing this to 1/100 brought the detail out - albiet a bit dark. I was using K3CCDtools for the capture. I didn't check at the time - but is there a way to modify the shutter to any rate? The slider seemed to go from 1/50 to 1/100.

Originally Posted by iceman

Advice:
- More exposure! The raw frames are very dark. Try running with more gain and around 40-50% gamma, and a longer shutter speed (1/25s).
- Use k3ccdtools and have the exposure meter up above 200.
- More frames! You've done well on that 1 pass, but repeat the procedure on more passes (within about a 2 minute period). You can use virtual dub to combine all the avi's into a single one.

I had the gain and gamma both set to zero from memory. I will look for the exposure meter and set set it to 200 as well. looking forward to getting back out and having another go with these new tweaks. I realise my next attempts might suffer from the conditions, and that I got luck for my first time out - hopefully I can have the capture process sorted out for the next time the conditions behave themselves

Originally Posted by iceman

Thanks for letting me play with your data.

Thanks Mike for offering, having a go, and providing advice. I will let you know how it goes when I get back out there....just a bit of study to clear off my desk first