Archiv pro měsíc: Březen 2014

Borg 77EDII Astrograph – Roddier Analysis

After 5+ years of imaging with Borg 77EDII reduced down to F/4.3 with the Super Reducer (part #7704) which really covers entire full-frame field (36x24mm) very nicely though with notable vignetting in the very corners I am still using this … Celý příspěvek

Rubriky: Articles in ENGLISH, Technika, recenze | Napsat komentář

Deconvolution Example

Finally, after years of imaging with short focal length telescopes which resulted in so called undersampled data (image scale of 3″, 4″ or 5 arcseconds and more) I have collected some oversampled data now with my newest setup (image scale … Celý příspěvek

Rubriky: Articles in ENGLISH, Pokusy | Napsat komentář