Timeline for Is it possible to observe strong gravitational lensing with amateur telescopes?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| May 23, 2022 at 19:11 | comment | added | uhoh | and What are the benefits of a large refracting telescope? | |
| May 23, 2022 at 19:11 | comment | added | uhoh | Beautiful! Nicely done! Some amateurs have reflectors with ten times the aperture area which naively suggests one tenth the exposure time. But for very low surface brightness objects very close to bright objects refractors have the advantage of unobstructed apertures so no diffraction from secondary mirrors and/or their supporting structure and much less scattered light from optical surface imperfections, cf. Dragonfly and TESS | |
| May 23, 2022 at 18:42 | history | answered | Thriveth | CC BY-SA 4.0 |