Deep Sky Object in Winter
IC418 (Planetary Nebula in Lepus)


Date & Time: Jan 12 2001, 23:15 JST(+0900), 13sec. exposed 7shots
Optical: Meade 25cm(10") Schmidt-Cassegrain, afocal method with LV12mm eyepiece
Synthesized focal length f=1289mm (equivalent f=8588mm in 35mm film format)
Auto-guided with Meade LX200 Equatorial
Digital Camera: CASIO QV2800UX
Location: Ooizumi vil., Yamanashi pref.

Camera Settings: Mode.....1600×1200 FINE
Lens.....f=6.2mm (equivalent f=41mm in 35mm film format), Stop: F3.2
CCD sensitivity.....ISO320, White Balance.....Daylight




IC418/ Planetary Nebula, type IV
R.A.05h 27m 30.0s (2000.0)
Dec.-12° 42' 00" (2000.0)
Apparent Size14×11"
Real Size0.51×0.40 light yrs.
Magnitude12.0
Distance7460 light yrs.
A compact planetary nebula in northern Lepus has an ID of IC418. The nebula has a round and bluish figure with a diameter of 10 or more arc seconds, you can detect a 10th magnitude central star with telescopes.




Around IC405

Around IC426


Copyright(c) 2003 by Naoyuki Kurita, All rights reserved.
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