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The Engraved Hourglass Nebula (also known as MyCn 18 [2]) is a young planetary nebula in the southern constellation Musca. It was discovered by Annie Jump Cannon and Margaret W. Mayall during their work on an extended Henry Draper Catalogue (the catalogue was built between 1918 and 1924). At the time, it was designated simply as a small faint ...
Engraved Hourglass Nebula: MyCn 18: 1996 8.0 (approx.) 13.0 Musca: NGC 3918: Blue Planetary 1834 4.9 ... Lists of astronomical objects; Lists of planets; References
Located 2.4° east of Eta Muscae is the magnitude-12.9 Engraved Hourglass Nebula (MyCn 18), [61] which lies about 8000 light-years distant from Earth. [62] To Eta's west lies IC 4191, a compact bluish planetary nebula of magnitude 10.6, [63] thought to lie around 10,750 light-years away from Earth. [64]
It spins at a rate of 30 times per second, spewing energy beams and taking on a decidedly pulsating appearance.
Pages in category "ESO objects" The following 161 pages are in this category, out of 161 total. ... Engraved Hourglass Nebula; Circinus Galaxy; IC 4662; NGC 6492; NGC ...
List of NGC objects. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000) List of NGC objects (3001–4000) List of NGC objects (4001–5000) List of NGC objects (5001–6000) List of NGC objects (6001–7000) List of NGC objects (7001–7840) List of IC objects; List of Messier objects; List of ...
This is a partial list of IC objects, which are astronomical objects included in the Index Catalogue of Nebulae and Clusters of Stars. This two volume catalog was published in 1895 and 1908 by J. E. L. Dreyer. The constellation information for this table is available from the NGC2000.0: Complete New General Catalog and Index Catalog. [1]
This is a list of astronomical objects named after people. While topological features on Solar System bodies — such as craters, mountains, and valleys — are often named after famous or historical individuals, many stars and deep-sky objects are named after the individual(s) who discovered or otherwise studied it.