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Observatory is Scopus-indexed (Q4, CiteScore 0.8), WoS SCIE. Published by Rutherford Appleton Laboratory.
Checked against the index lists dated .
ISSN 0029-7704Verify ISSN ↗
Publisher: Rutherford Appleton Laboratory
Cost to publish: No APC data — check the publisher
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Astronomy and Astrophysics | 80 / 97 | 18th | Q4 |
| Space and Planetary Science | 92 / 105 | 12th | Q4 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (subscription), ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 2017–2024 (also 2015, 1996–2013), best quartile Q4, CiteScore 0.8.
Observatory is Q4 in Astronomy and Astrophysics (rank 80 of 97) and Q4 in Space and Planetary Science (rank 92 of 105), by CiteScore 2025.
Observatory is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 0.8, which places it in quartile Q4 at the 18th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.152, quartile Q4, with an H-index of 16.
Observatory is published by Rutherford Appleton Laboratory. Its ISSN is 0029-7704.
Yes — indexed in the Science Citation Index Expanded.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Observatory has an h-index of 33 and a 2-year mean of 0 citations per paper (OpenAlex). Its Scopus CiteScore is 0.8, quartile Q4. On 2-year citations it ranks #87 of 92 Scopus journals in Astronomy and Astrophysics.
Observatory published 15 papers in 2020; its busiest recent year was 2011 with 30. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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