[allan gould]

Originally Posted by h0ughy

so where is the PI colour version Professor Pixel?????

very much improved

Patience young one. Wax on, wax off

Originally Posted by RickS

Looks great, Allan!

Drizzle works very well for large amounts of undersampled data. I've been using it for about a year with data from SRO (2 arcsec/pixel image scale and seeing round 1 arcsec on good nights.)

Cheers,
Rick.

Thought that I would give it a trial as I don't use PI in my workflow at all, but I'm slowly realising that I should.
Allan

Originally Posted by Bassnut

Stunning (apparent) res and sharpness.

Question: why doesnt everyone capture bin 2 or 3 and then drizzle?.

Don't know to be honest

Originally Posted by RobF

Nicely done. What scope were you shooting for this again please Allan?

Thanks Rob. It was a 5" refractor with fl of 950mm

Originally Posted by RickS

Good question, Fred.

My take on this is that Drizzle isn't perfect. If you Drizzle up to twice the resolution with good, undersampled data then you don't get quite as good a result as you would have from pixels that were half the size. A small amount of spatial information is lost.

Although Drizzle seems like magic, it isn't. It's just trading off resolution against SNR. That may not be obvious from looking at a Drizzled image because Drizzle introduces correlated noise that isn't as visually intrusive.

Cheers,
Rick.

Thanks for that explanation Rick

Originally Posted by RobC

Looks good Alan. So what is drizzle integration ?

Rob

What he said
The process is described in detail here.
http://pixinsight.com/forum/index.php?topic=7151.0
Hope this helps
Allan