# Harvard College Observatory photographic plates showing KIC 8462852

> The glass negatives from which the century-long light curve is measured. Schaefer used 1,338 B-band measurements; the plates themselves remain the…

Source: https://mysteriesdept.com/mysteries/tabbys-star/artifacts/ART0D8E7NKY0A11/harvard-college-observatory-photographic-plates-showing-kic  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Mysteries](https://mysteriesdept.com/mysteries)[Tabby's star (KIC 8462852)](https://mysteriesdept.com/mysteries/tabbys-star)[Artifacts](https://mysteriesdept.com/mysteries/tabbys-star#artifacts)Harvard College Observatory photographic plates showing KIC 8462852

**ART** 0D8E7NKY0A11·Artifact · object

# Harvard College Observatory photographic plates showing KIC 8462852

ObjectHarvard terms of useExposed about 1890–1989

[Cite]

**Not kept here.** This copy isn't ours to show. [See it where it's published](https://dasch.cfa.harvard.edu/dr7/).

The glass negatives from which the century-long light curve is measured. Schaefer used 1,338 B-band measurements; the plates themselves remain the primary record if the calibration is disputed.

DASCH project, 1890. Harvard terms of use

## Copies 1

**Scan** DASCH project · dasch.cfa.harvard.edu · completed 2024 · Harvard terms of usePrimary source: [DASCH Data Release 7](https://mysteriesdept.com/sources/SRC0D8E70M236WR/dasch-data-release-7)1 step from the original

[Where it's published](https://dasch.cfa.harvard.edu/dr7/)

## Where it is kept

[Harvard College Observatory plate stacks, Cambridge, Massachusetts](https://mysteriesdept.com/records/PLC0D8E722Y02WX/harvard-college-observatory-plate-stacks-cambridge) · Archive

## Sources 2

- [DASCH Data Release 7](https://mysteriesdept.com/sources/SRC0D8E70M236WR/dasch-data-release-7)_SRC_
- [KIC 8462852 Faded at an Average Rate of 0.164 ± 0.013 Magnitudes per Century from 1890 to 1989](https://mysteriesdept.com/sources/SRC0D8E6V0C3X81/kic-8462852-faded-at-an-average-rate-of-0-164-0-013)_SRC_

## Cite it

```
Mysteries Department. (2026). Harvard College Observatory photographic plates showing KIC 8462852 [Artifact ART0D8E7NKY0A11]. https://mysteriesdept.com/r/ART0D8E7NKY0A11
```

Key

**ART** 0D8E7NKY0A11

Kind

Object

Held by

Harvard College Observatory Astronomical Photographic Glass Plate Collection, Cambridge, Massachusetts

Dated

exposed about 1890–1989

Licence

Harvard terms of use

Place

[Harvard College Observatory plate stacks, Cambridge, Massachusetts](https://mysteriesdept.com/records/PLC0D8E722Y02WX/harvard-college-observatory-plate-stacks-cambridge)

Part of

[Tabby's star (KIC 8462852)](https://mysteriesdept.com/mysteries/tabbys-star)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/ART0D8E7NKY0A11)