D/1884 O1
Visibility unknown. No recent magnitude. Large facilities may still recover it if an ephemeris exists.
Right ascension
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J2000
Declination
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J2000
Estimated magnitude
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Unknown · COBS consensus
Confidence
33
Class E · priority 56
Observations
0
Arc unknown
Last observation
Not in feed
COBS consensus does not publish an observer timestamp. Catalog ingested 4d ago.
Perihelion
2020-08-08
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Peak window
2020-08-05 → 2020-08-11
COBS peak on 2020-08-08 · perihelion 2020-08-08. Window is those dates ±3 days — not a light-curve fit.
Historic peak
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COBS / analyzed peak 2020-08-08
Catalog ingest
4d ago
Venator last wrote this row 2026-09-14 20:00:21 UTC
Light curve is queued. The background analyzer fetches the full COBS history for this object (one comet at a time). Refresh after a minute, or wait for the queue.
q
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e
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i
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Ω
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ω
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a
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MOID
—
H
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H0 / n
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NEO score
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PHA score
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RMS
—
Elongation
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COBS comet list
okComet Observation Database magnitudes and perihelion data for the full COBS list (active and inactive).
D/1884 O1 (Barnard)
Informal: Barnard
D/1884 O1 · 2026-09-14 18:28:01 UTC → current
Discoverer · parsed-name · 2026-09-14 18:28:01 UTC → current
Pips are observation weight on this object (log of report count). Hover for catalog-wide weight.