NGC 2440

Observation Notes:

This planetary nebula had a faint outer shell that appeared slightly elongated north-south. There was a brighter inner shill with what seemed to be a two-lobed structure that was aligned southeast to northwest. I didn’t notice any color.

Object Information

NGC 654 was discovered by Friedrich Wilhelm Herschel in 1790. According to Distances of Planetary Nebula (Phillips+, 2004), this planetary nebula is 1,400 parsecs distant (4,560 light years). The cluster is also catalogued as ESO 560-PN009, PK234+2.1, H IV-64, h 3095, GC 1567, PN G234.8+02.4.

Subject NGC 2440
Classification Planetary Nebula [5(3)]
Position* Puppis [RA: 07:41:55.3 / Dec: -18:12:32]
Size* 74″ x 42″
Brightness* 9.4 vMag. / 10.8 bMag
Date/Time October 22, 2006 – 03:00 AM
(October 22, 2006 – 10:00 UT)
Observing Loc. Cinder Hills Overlook, Sunset Crater National Monument, AZ
Instrument Orion SVP 6LT Reflector (150 mm dia./1200 mm F/L)
Eyepieces/Mag. 10 mm + 2X Barlow (240X)
Conditions Clear, Calm
Seeing 6/10
Transparency Mag 6.8+ NELM
*Sources NGC/IC Project

*Based on published data.

Leave a Reply

Your email address will not be published.