Resolution killers in Slitless Spectroscopy

Описание: This video documents my learnings from finding, and resolving, resolution limitations of my "slit less" converging beam astro spectroscopy setup. I increased my resolution from 87 to 320 with just minor, but important, tweaks.

Contents:
0:00 Introduction
2:58 What is R?
10:58 Research
17:30 Optimizing
25:38 Results - Sirius
26:23 Other Setups
30:15 Wrap up

Links to material I have used in the video (and for further reference):
TransSpec v3.5b:
https://groups.io/g/astronomicalspect...

Book: Grating Spectroscopes and How to Use Them, Ken Harrison
https://a.co/d/7U6TVyx

David Boyd talk:
https://britastro.org/wp-content/uplo...

SolEx, StarEx project:
http://www.astrosurf.com/solex/sol-ex...

Robin Leadbeater: picture of resolution limiters
http://www.threehillsobservatory.co.u...

Doug West: math for resolution limiters
http://users.erols.com/njastro/faas/a...

Christian Buil: Prism, Coma correction:
http://www.astrosurf.com/buil/us/spe1...

Uwe Zurmühl: Objective grating to the max
https://spektroskopie.vdsastro.de/fil...

RSpec calculator: for dispersion not resolution
https://www.rspec-astro.com/calculator/

Dark Sky Geek: StarEX High res introduction
   / @darkskygeek  

Coma correcting Prism:
https://realtime-spectra.com/collecti...
https://www.shelyak.com/produit/prism...