NGC 1535

NGC 1535
Emission nebula
Planetary nebula
	NGC 1535 using the 0.8m Schulman Telescope from the Mount Lemmon SkyCenter
Observation data: J2000 epoch
Right ascension	04h 14m 15.782s
Declination	−12° 44′ 21.68″
Distance	5500–7500 ly (1740–2310 pc)
Apparent magnitude (V)	10.5
Apparent dimensions (V)	0.650′ × 0.611′
Constellation	Eridanus
Designations	2MASX J04141578-1244216, IRAS 04119-1251, PN G 206.4-40.5, PK 206-40.1, dML87 112, UITBOC 627, VERA J0414-1244
	See also: Lists of nebulae

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NGC 1535, also known as Cleopatra's Eye,^[3] is a planetary nebula in the constellation of Eridanus, discovered by William Herschel on February 1, 1785.^[4] It is very similar to the Eskimo Nebula in both color and structure but the central star can be quite difficult to observe visually.^[5] The object is included in the Astronomical League's Herschel 400 Observing Program.^[6]

At the center of NGC 1535, there is an O-type star with a spectral type of O(H)5.^[7]

References

^ ^a ^b ^c ^d "NGC 1535". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 11 July 2015.
^ Smith, H. (9 April 2015). "On the distances of planetary nebulae". Monthly Notices of the Royal Astronomical Society. 449 (3): 2980–3005. arXiv:1409.3422. Bibcode:2015MNRAS.449.2980S. doi:10.1093/mnras/stv456.
^ Stoyan, Ronald; Schurig, Stephan (2014). interstellarum Deep Sky Atlas. Erlangen: Cambridge University Press; Oculum-Verlag GmbH. ISBN 978-1-107-50338-0. OCLC 920437579.
^ Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 1500 - 1549". cseligman.com. Archived from the original on 1 January 2016. Retrieved 11 July 2015.
^ "Best of AOP - Planetary Nebulae: NGC 1535". Caelum Observatory (mirror of NOAO/AOP. NOAO. Archived from the original on 13 July 2015. Retrieved 11 July 2015.
^ "The Herschel 400 Club Observing List in New General Catalog (N.G.C.) Number Order" (PDF). The Astronomical League. Retrieved 2024-03-05.
^ González-Santamaría, I.; Manteiga, M.; Manchado, A.; Ulla, A.; Dafonte, C.; López Varela, P. (2021). "Planetary nebulae in Gaia EDR3: Central star identification, properties, and binarity". Astronomy & Astrophysics. 656: A51. arXiv:2109.12114. Bibcode:2021A&A...656A..51G. doi:10.1051/0004-6361/202141916. S2CID 237940344.

External links

Media related to NGC 1535 at Wikimedia Commons
"NGC 1535". Mt. Lemmon SkyCenter. University of Arizona. Archived from the original on 2016-08-26. Retrieved 2015-12-26.
"Cleopatra's Eye (NGC 1535)". Observing at Skyhound.

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[Simbad-1] "NGC 1535". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 11 July 2015.

[2] Smith, H. (9 April 2015). "On the distances of planetary nebulae". Monthly Notices of the Royal Astronomical Society. 449 (3): 2980–3005. arXiv:1409.3422. Bibcode:2015MNRAS.449.2980S. doi:10.1093/mnras/stv456.

[interstellarum-3] Stoyan, Ronald; Schurig, Stephan (2014). interstellarum Deep Sky Atlas. Erlangen: Cambridge University Press; Oculum-Verlag GmbH. ISBN 978-1-107-50338-0. OCLC 920437579.

[Seligman-4] Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 1500 - 1549". cseligman.com. Archived from the original on 1 January 2016. Retrieved 11 July 2015.

[AOP-5] "Best of AOP - Planetary Nebulae: NGC 1535". Caelum Observatory (mirror of NOAO/AOP. NOAO. Archived from the original on 13 July 2015. Retrieved 11 July 2015.

[6] "The Herschel 400 Club Observing List in New General Catalog (N.G.C.) Number Order" (PDF). The Astronomical League. Retrieved 2024-03-05.

[7] González-Santamaría, I.; Manteiga, M.; Manchado, A.; Ulla, A.; Dafonte, C.; López Varela, P. (2021). "Planetary nebulae in Gaia EDR3: Central star identification, properties, and binarity". Astronomy & Astrophysics. 656: A51. arXiv:2109.12114. Bibcode:2021A&A...656A..51G. doi:10.1051/0004-6361/202141916. S2CID 237940344.

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