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Type: bright nebula
Mag: B=?, V=11.83
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Dunlop, J. (1828) A Catalogue of Nebulae and Clusters of Stars in the Southern Hemisphere, Observed at Paramatta in New South Wales. Phil. Trans. Roy. Soc., 118, 113-151. [1828RSPT..118..113D]
Discovered by James Dunlop from Paramatta, New South Wales, and included as No. 136 in his catalogue of 1827. Using a 9-inch f/12 telescope, he described it as "A faint confused pretty large nebula. There are a multitude of small nebulae in this place." This entry could also refer to NGC 1962, 1965 or NGC 1970.
John Herschel recorded it as "the third of a group of four nebulae with stars; pretty bright, round, pretty suddenly a little brighter in the middle." He notes that this object may also be Dunlop 77.
The group consists of NGC 1962, 1965, 1966 and NGC 1970.
Recorded in "Observations of the Southern Nebulae made with the Great Melbourne Telescope".
See the discussion of Lithograph M.3.30 for the details.
Henize (Catalogues of Hydrogen Alpha Emission Stars and Nebulae in the Magellanic Clouds, Astrophysical Journal Supplement 2, 1956, p315) notes that this is the same as his nebula LH N 120-144A, which is round, has a smooth boundary and shows no structural detail; it measures 43 x 46 arcseconds.
Shapley and Lindsay ("A Catalogue of Clusters in the Large Magellanic Cloud", Irish Astronomical Journal, Vol. 6, 1963) gives the size of the grouping as 3.4' x 3.4' and remark "bright loose stars in nebulosity."
The RNGC (Sulentic and Tifft 1973) notes that this is a 8.5 mag cluster+nebulosity in the LMC.
The Messier objects
The Bennett objects
The Caldwell list
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