# photographic magnitude

> astronomical magnitude measured with photographic plate

**Wikidata**: [Q1322559](https://www.wikidata.org/wiki/Q1322559)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Photographic_magnitude)  
**Source**: https://4ort.xyz/entity/photographic-magnitude


## References

1. Freebase Data Dumps. 2013