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


Date & Time: Nov 9 2019, from 24:44 to 25:23 JST(+0900)
Composed 80 shots with 20 sec. exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain (f=2500mm, F10.0)
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Camera: Celestron Skyris 445C + IR cut filter
Location: Ooizumi, Hokuto city, Yamanashi pref.


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
Distance2000 light yrs.
A compact planetary nebula in northern Lepus has an ID of IC418. The nebula has a round and reddish figure with a diameter of 10 or more arc seconds, you can detect a 10th magnitude central star with telescopes. Larger telecscopes can detect fine stripe-structure in disk of nebula, which gives a nickname of "Spirograph Nebula".



Around IC405
Around IC426

Copyright(c) 2019 by Naoyuki Kurita, All rights reserved.
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