Andy Resnick's latest activity

I guess it's possible? It doesn't really change my conclusion that for me, using flats is a super-frustrating PITA that isn't worth my...

My test run using flats for 55mm imaging was a disaster. Regardless of the underlying reasons (possibly correctable reasons), my...

Flats... yeah, I've tried those. Unlike dark/bias/bad pixel frames, I spent at least a year (maybe even longer) trying to get flats to...

I'm not done trying to locate the blemish, hopefully off-axis illumination (an idea borrowed from 'ultramicroscopy') will reveal the...

We've had an unseasonal stretch of clear nights and good seeing conditions for the past week or so. Since there's currently nothing...

Can't forget "The Mob Rules": apologies for my lack of skill embedding the video properly...

Yet more fenitized gneiss: These gneisses are not the most photogenic of samples; I keep reminding myself that characterizing the...

I had to get up pretty early for these: Taken @ 800mm (f/8), these are about 1:2 or 1:3 downsized. Upper image @ 1/60s ISO 200...

Today at about 4:30 am I saw the conjunction of Venus and Jupiter, where they were about the width of the full moon, or one half degree...

Holmes, Lumley, Berkooz and Rowley's "Turbulence, Coherent Structures, Dynamical Systems and Symmetry" may be a good match for you. In...