# DASCH project 2026: DASCH Data Release 7

> Center for Astrophysics | Harvard & Smithsonian DASCH project, 2026. 4 records on Mysteries Department cite it. The source of the century-long light…

Source: https://mysteriesdept.com/sources/SRC0D8E70M236WR/dasch-data-release-7  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Tabby's star (KIC 8462852)](https://mysteriesdept.com/mysteries/tabbys-star)DASCH project 2026

**0**

# DASCH Data Release 7

Center for Astrophysics | Harvard & Smithsonian DASCH project, 2026. _Digital Access to a Sky Century @ Harvard (dasch.cfa.harvard.edu)_.

The legacy release of the Harvard plate digitisation, completed in 2024: about 23.6 billion measurements of 252 million sources from about 1880 to 1990, scans of 429,274 plates, calibrations and logbook photographs, served through the daschlab Python package and web APIs.

**Tabby's star (KIC 8462852)** DatasetCopy of **[Harvard College Observatory photographic plates showing KIC 8462852](https://mysteriesdept.com/mysteries/tabbys-star/artifacts/ART0D8E7NKY0A11/harvard-college-observatory-photographic-plates-showing-kic)** Checked against the original0

## What it's used for here

The source of the century-long light curve and of any re-test of the fade.

## Cited by on this site 4 records

[Harvard College Observatory photographic plates showing KIC 8462852](https://mysteriesdept.com/mysteries/tabbys-star/artifacts/ART0D8E7NKY0A11/harvard-college-observatory-photographic-plates-showing-kic)

ART

[Harvard College Observatory photographic plates showing KIC 8462852: scan](https://mysteriesdept.com/mysteries/tabbys-star/copies/CPY0D8E7NVR5BXN/harvard-college-observatory-photographic-plates-showing-kic)

CPY

[DASCH Data Release 7 light curve of KIC 8462852 from Harvard plates (about 1880–1990)](https://mysteriesdept.com/datasets/DAT0D8E7MWG12C3/dasch-data-release-7-light-curve-of-kic-8462852-from-harvard)

Dataset

DAT

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

The mystery article

MYS

## Cite it

```
DASCH project, C. f. A. |. H. &. S. (2026). DASCH Data Release 7. Digital Access to a Sky Century @ Harvard (dasch.cfa.harvard.edu). https://dasch.cfa.harvard.edu/dr7/
```

[Read it free at dasch.cfa.harvard.edu](https://dasch.cfa.harvard.edu/dr7/)

Key

**SRC** 0D8E70M236WR

Kind

Dataset

Rights

Harvard terms of use; acknowledgement and citation requested

Kept

27 Oct 2026, for editors

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS.

[CSL-JSON](https://mysteriesdept.com/sources/SRC0D8E70M236WR/dasch-data-release-7/csl.json)