C/2014 Q3 (Borisov)
comet

C/2014 Q3 (Borisov) is a Halley-type comet discovered at apparent magnitude 17 on 22 August 2014 by amateur astronomer Gennadiy Borisov using a 0.3 m (12 in) astrograph. It is the third comet discovered by Borisov. The comet was best viewed from the northern hemisphere.
The comet was expected to reach about magnitude ~11 near perihelion (closest approach to the Sun), but brightened to around magnitude 10. By 8 November 2014, the comet had a declination of +83 and was circumpolar from the northern hemisphere. The comet came to perihelion on 19 November 2014 at a distance of 1.65 AU (247 million km) from the Sun.
Orbit
Before entering the planetary region (epoch 1950), C/2014 Q3 had an orbital period of 148 years. After leaving the planetary region (epoch 2050), it has an orbital period of 146 years.
The public source identifies “C/2014 Q3 (Borisov)” as comet. This brief keeps that definition visible, then builds a research path around Borisov and comet.
Why this record matters
A short description can identify a subject without explaining its stakes. For “C/2014 Q3 (Borisov)”, the useful work is to connect “comet” to the records capable of establishing context and consequence.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 28, 2026. The linked authority identifier is Q19593844. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2014, 1950 and 2050.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “C/2014 Q3 (Borisov)”, its source revision and the description used here.
- Expand the search: follow C/2014 Q3 (Borisov) primary sources, C/2014 Q3 (Borisov) archive and Borisov research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “C/2014 Q3 (Borisov)”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
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This entry incorporates text from “C/2014 Q3 (Borisov)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.