
NGC 2242 - Wikipedia
NGC 2242 is a planetary nebula in the constellation Auriga. It was discovered by Lewis A. Swift on November 24, 1886, [1] and was thought to be a galaxy until a study published in 1987 …
NGC 2242 : A NEWLY-DISCOVERED PLANETARY NEBULA.
Jan 1, 1987 · The nebula NGC 2242 is found to be a previously unknown planetary nebula. Its emission-line fluxes and a finding chart are presented. The nebula is found to have very high …
NGC 2242 - Planetary Nebula in Auriga - TheSkyLive.com
NGC 2242 is a Planetary Nebula in the Auriga constellation. NGC 2242 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere.
NGC 2242 - a newly-discovered planetary nebula - OSTI.GOV
The nebula NGC 2242 is found to be a previously unknown planetary nebula. Its emission-line fluxes and a finding chart are presented. The nebula is found to have very high ionization and …
Observing at Skyhound: NGC 2242
NGC 2242 is a faint, little-known planetary nebula in Auriga that provides a nice challenge for users of larger telescopes. This planetary nebula is considered to be a "galactic halo object" …
NGC 2242: Planetary In Auriga - Deep Sky Observing - Cloudy Nights
Jan 18, 2021 · It's a 15 magnitude 22" planetary described by Skyhound as a, "little-known planetary nebula in Auriga that provides a nice challenge for users of larger telescopes." He …
Key words: planetary nebulae-abundances I. Introduction The nebula NGC 2242 was discovered on 1886 Novem- ber 24 by Lewis Swift (1887) at the Warner Observatory in Rochester, N.Y., …
NGC 2242 : a newly-discovered planetary nebula. - ADS
The nebula NGC 2242 is found to be a previously unknown planetary nebula. Its emission-line fluxes and a finding chart are presented. The nebula is found to have very high ionization and …
The large He++ fraction in NGC 2242 is due largely to the very small optical depth of the nebula; our photoionization analysis gives results consistent with the observed nebular properties with …
Spectroscopic Observations of the High-Ionization Planetary Nebula NGC …
On the other hand, NGC 2242 (PK 170 + 15) is a planetary nebula of exceptionally high ionization, displaying strong emission lines of He II, [Ne V], [Ar V], [Ne III], and [O III], but no …
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