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Spirograph nebula (IC 418)

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#1 Raul Leon

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Posted 18 January 2020 - 07:45 PM

IC 418 is a planetary nebula in Lepus ; magnitude: 9.3 ; size: 3.5"x5.5" ; known as the Spirograpgh nebula because of the beautiful photo from the Hubble space telescope. Another known moniker is the Red Raspberry,  because of it's red hue. I have only observed the red color once, a few years ago in a fellow observers 20 inch Dob, on a night with excellent seeing. This planetary is bright but small, so high magnification is needed to see the shells of nebulosity. It is elongated with a bright 10th magnitude central star. I used a 4.5 Delos eyepiece at 352x magnification with my14.5 Starstructure Dob f/4.3  

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#2 frank5817

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Posted 18 January 2020 - 09:00 PM

Raul,

 

Nice sketch of this little bright planetary.

Have seen but not as well as you have sketched it 

With a clear night and Lepus on the meridian I'll need to look again at high power.

Fine post.

 

Frank :)



#3 niteskystargazer

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Posted 20 January 2020 - 11:04 AM

Raul,

 

Fine sketch of Spirograph Nebula (IC 418) smile.gif .

 

CS,KLU,

 

thanx.gif ,

 

Tom



#4 cloudbuster

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Posted 20 January 2020 - 04:32 PM

Nice sketch Raul. Unfortunately this one is low in my sky and increasing magnification can't be done on most nights. 

Sounds like a nice challenge to look for the red hue.

 

Regards, Martijn



#5 sunnyday

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Posted 20 January 2020 - 04:33 PM

very nice work



#6 Asbytec

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Posted 21 January 2020 - 07:45 PM

I've seen this one, looks a lot like your sketch. I could not make out its red hue. 




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