relet

Trying a new stitch... and since I may have been a bit too optimistic about how low I can go with the settings, automatic feature detection is struggling - At 80x I usually scan with a step size of 0.3mm and lots of overlap, but then I would be in for ten days of scanning. This attempt is with 0.6mm which works for 40x. Just enough overlap here, but to match features between neighboring images is difficult even for me.

So I loaded the panorama in grid mode -fixed control points where I know the images overlap - which gave me some new insight into compound eyes. Now I wonder if the wasps run #ptgui or #hugin in their heads...

Aglaostigma aucupariae, the red belted cleaver, a sawfly.

Here is the "regular" macro shot, for comparison:
https://www.inaturalist.org/observations/360981049

#setzkasten #inaturalist #hymenoptera #tenthredinidae #wildlife

May 20 at 8:14amWeb
Show threadreletMay 20

I would say I was able to salvage most of the scan. The artefacts from the large step size are too visible for my taste - there's a blurry sheen between in-focus features - but it would be a pity not to keep the result. At least I learned.

I'll do another pass of the wings, which don't require as much depth of focus, and shouldn't have moved over time - and see if the results still fit together.

Show threadrelet6d ago

New wings, same as the old wings, and published to #setzkasten:

https://setzkasten.relet.net/#?aglaostigma

Finally I get to start a new scan, but some of the structures are just so worth it. And I noticed I don't have that many wasps on the page yet.

#hymenoptera #entomology

Setzkasten

Show threadAbhijit Menon-SenMay 20
@relet What sort of microscope are you using?
Show threadreletMay 20

@amenonsen

That would be the infamous #frankenscope - which is just a regular upright school microscope - Bresser Erudit - with various bits slapped on. An old phone, a semifunctional 3d printer and an extra motor with arduino control.

Show threadAbhijit Menon-SenMay 20
@relet Oh wow. That sounds great.