11-inch Clark refractor
E584801
The 11-inch Clark refractor is a historic, high-quality refracting telescope built by Alvan Clark & Sons, notable for its role in pioneering astrophotographic and spectroscopic observations in the late 19th century.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 11-inch Clark refractor canonical | 1 |
| Fitz-Clark Refractor | 1 |
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical telescope
ⓘ
historic telescope ⓘ refracting telescope ⓘ |
| aperture |
11 inches
ⓘ
approximately 280 millimeters ⓘ |
| builder |
Alvan Clark
NERFINISHED
ⓘ
Alvan Clark & Sons NERFINISHED ⓘ |
| constructionPeriod | 19th century ⓘ |
| era | late 19th century ⓘ |
| field |
astronomy
ⓘ
astrophysics ⓘ |
| heritageStatus | historic scientific instrument ⓘ |
| historicalSignificance |
contributed to early development of astronomical spectroscopy
ⓘ
contributed to early development of astrophotography ⓘ |
| manufacturer | Alvan Clark & Sons NERFINISHED ⓘ |
| material | glass objective lens ⓘ |
| mountType | equatorial mount ⓘ |
| notableFor |
high optical quality
ⓘ
pioneering astrophotographic observations ⓘ pioneering spectroscopic observations ⓘ |
| observationType | optical ⓘ |
| opticalDesign | achromatic refractor ⓘ |
| opticalQuality | high ⓘ |
| technologyEra | pre-photographic plate standardization ⓘ |
| telescopeType | refractor ⓘ |
| usedBy | astronomers ⓘ |
| usedFor |
astrophotography
ⓘ
spectroscopy ⓘ visual astronomical observation ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fitz-Clark Refractor