Discovery MPECs for 474

Mount John; Mount John Observatory, Lake Tekapo

Made with MPECSGET database output from a stable database snapshot. Data on this page includes MPECs issued through 2026-09-15.

Telescopes: 1-m f/7.7 reflector; 0.6-m f/14 reflector; 0.6-m f/6.3 reflector; 0.6-m f/7.6 reflector; 0.6-m reflector; 0.5-m reflector; 0.25-m reflector; f/7.7 reflector
Observers: A. C. Gilmore; A. P. Marles; A. R. H. Brown; A. T. Dallow; G. P. Bayne; H. Ozawa; I. P. Griffin; L. R. Edwards; N. Brady; P. M. Kilmartin; R. A. Greatrex; R.Greatrex; T. Bredenkamp
Measurers: A. C. Gilmore; A. P. Marles; I. P. Griffin; P. M. Gilmore; P. M. Kilmartin; R.Greatrex; T. Bredenkamp
Shared chart timeline: 1971-06-19 to 2026-09-15
Consecutive 5-year periods, 12 bars
Download histogram data (TXT)

Discovery MPECs

MPEC	Title	Objects	Discovery	Issued
2023-F148	COMET C/1971 M1 (Edwards)	1	`*`	2023-03-27

MPEC: online Minor Planet Electronic Circular.
Title: official title read from the MPEC.
Objects: number of different objects contained in the original MPEC.
Discovery: an asterisk only when station 474 is credited with a discovery in that MPEC.
Issued: official MPEC publication date in YYYY-MM-DD format.

Nr.	Object	Unpacked object	MPEC	Discovery	Stations	Obs all	Obs 474	Obs percent	Note
1	`CJ71M010`	C/1971 M1	2023-F148	`*`	3	12	1	8 %	comet
Sum	`1 objects`					12	1	8 %	1 comets

Object: packed MPC designation.
Unpacked object: readable designation linked to the MPC orbit page.
MPEC: source notices in which this station reported this object.
Discovery: an asterisk only when station 474 discovered the object.
Stations: all stations in current MPEC data which observed the object.
Obs all: unique current observations by all stations; superseded copies are not counted.
Obs 474: unique current observations by this station.
Obs percent: this station's share of all unique observations.
Note: object-type note.

Only objects with a station-specific discovery marker are listed. Counts use the same unique current observations as the complete station page.

Created with MPECSGET database output.