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© Ciel Extrême, 1998
 Observers related to Dreyer's catalogues

The following table classifies the observers that measured precise positions for newly discovered nebulae (apart from sometimes founding them for some of them). These "measurers" were acclaimed by Dreyer himself, as it seemed more important to him to collect positions and confirm identifications among the existing nebulae rather than finding new and faint ones.

NOM
prenames
dates
countries
instruments / observing sites
objects measured
BIGOURDAN
Guillaume
1851-1932
FRA
refr-12" / Paris (fra)
6380
D'ARREST
Heinrich L.
1822-1875
GER
refr-11" / Copenhaguen (dan)
2000
SCHULTZ [Schültz]
Hermann
? about 1874
SWE?
? / Upsalla (swe)
500
SCHONFELD [Schönfeld]
Eduard
1828-1891
GER
refr-6" / Bonn (ger)
489
ENGELHARDT
B. (Von)
? about 1886
GER
? / Dresde (ger)
190
RUMKER [Rümker]
Christian C.L.
1788-1862
GER
eq-refr / Paramatta (aus) ? Hambourg ? (ger)
135
LAUGIER
Ernest
1812-1872
FRA
? / Paris (fra)
53
AUWERS (VON)
Arthur J.G.F.
1838-1915
GER
heliometre / Konigsberg (ger)
40
COPELAND
Ralph
1837-1905
USA
refl-36" + refl-72" / Birr (irl) & spectroscope / Arequipa (Peru)
?
DREYER
John L.E
1852-1926
DAN/UK
refl-72" / Birr (irl)
?
ENGELMANN
?
?
GER
? / Leipzig (ger)
?
LALANDE
Joseph-Jérôme (Lefrançois De)
1732-1807
FRA
? / ?
?
PETERS
Christian H. F.
1813-1890
DAN/USA
? / ?
?
ROSSE III (Lord )
Laurence (Parsons)
1840-1908
IRL
refl-36" + refl-72" / Birr (irl)
?
SCHMIDT
Johan F.J.
1825-1884
GER/GRE
? / Athens (gre)
?
VOGEL [Vögel]
Herman C.
1841-1907
GER
? / Leipzig (ger)
?


Next table is gathering all the names that seems linked to the NGC and ICs (to my knowledge).

NOM
prenames
dates
countries
instruments / observing sites
reference
ABBOTT
Francis
1799-1883
GBR?
? / ?
Monthly Notices xxiv
BLANCHINI
?
? about 1737
ITA
? / ?
Observationes Selectae (Veronae, 1737)
BLOCK
?
?
?
? / ?
co-disc. NGC 1398
BRISBANE
Thomas M. (General)
1773-1860
GBR/AUS
? / ?
Br895=NGC1838
CACCIATORE
Gaetano
1814-1889
ITA?
? / ?
 
HAGEN
Johann Georg S. J.
1847-1930
ALL/USA
? / Vatican
He began a systematic visual reexamination of all of the NGC objects north of about -30 degrees. This work culminated in the publication of several long catalogues in the 1920's, most by Hagen (A Preparatory Catalogue for a Durchmusterung of Nebulae, comprising several zone catalogues).
HELMERT
?
?
HOL
? / ?
Publi. d. Hamburg. Sternw. I
KEY
H.C.
?
GBR?
? / ?
Monthly Notices xxviii
KRUGER [Krüger]
Adalbert
1832-1896
ALL?
? / ?
Act. Soc. Fenn. Viii
LAMONT
Johann von
1805-1879
ALL
? / ?
Uber die Nebelflecken (Munich, 1837)
LE SUEUR
?
?
GBR?
? / ?
Proc. R. S. xix
MASON
Ebeneezer Porter
1819-1840
?
? / ?
Mason and Smith, Transactions of American Philosophical Society, volvii
MCGEORGE
?
?
?
? / ?
Tr. R. S. Vict. X
PECK
C. E.
? about 1896
?
? / ?
Rousdon Obs. 1886
PIHL
?
? about 1891
?
? / ?
Monthly Notices xxviii
PORTER
Jermain
?
?
? / ?
long series of observations at Cincinnati Observatory by Jermain Porter, which appeared in the Publications of the Observatory
RAMBAUT
William H. Révérend
????-???? (1850)
GBR
? / ?
Rosse's assistant between 1848 and 1850
REINMUTH
Karl
1892-1979
ALL
refr-6 / Heidelberg (ger)
Reinmuth and Schwassmann continued the Heidelberg work which culminated in Reinmuth's publication in 1926 of Die Herschel Nebel, a complete photographic reexamination of all of the nebulae and clusters found by William and John Herschel, as well as many other neighboring objects.
RONDONI
?
?
?
? / ?
 
RUSSELL
Henry Chamberlain
1836-1907
AUS?
? / ?
Pr. R. S. New S. Wales, 1871
SMYTH
Amiral William H.
1788-1865
GBR
? / ?
Spec. Hartw.
TROUVELOT
Leopold
1827-1895
USA
refr-15" / Washington (usa)
Holden and Trouvelot, Washington Observations, 1874, App.I; Winlock and Trouvelot, Annals of Harvard College Observatory, volvii; American Journal, 1876;
VALENTINER
?
?
?
? / ?
 
VICO (DE)
Francesco
? about 1839
ITA
? / ?
Mem. Oss. d. Coll. Rom., 1839
WENDELL
Oliver C.
1845-1912
USA
refr-15" / Harvard (usa)
See HARVARD; HARVARD COLLEGE. Vol. xiii., Part I. of the Observations, contains a series of observations of nebulae, among which are some new ones found by AUSTIN, LANGLEY, PIERCE, SEARLE, WENDELL, AND WINLOCK
WIRTZ
?
? about 1900
?
? / Strassberg (ger?)
those done at Strassberg from the late 1860's to the early 1900's (by Kobold, Winnecke, and Wirtz), again published by the Observatory
WOLF
Johann Rudolf
1816-1893
FRA
? / Paris (fra)
Annales de l'obs. de Paris, xiv


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