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Re: (IAAC) Obj: Jonkherre 900 (PK 194+2.1) - Inst: 13" f/5.6 dob



> From R. Jonckheere PN 

Steve where did you find a copy of this catalog ? I saw a reference to it
in S&T but a web search didn't turn it up.

Scott Hogsten

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> From: Steve Coevia Lew Gramer <scoeandlross@sprintmail.com>
> To: Internet Amateur Astronomers Catalog <netastrocatalog@latrade.com>
> Subject: (IAAC) Obj: Jonkherre 900 (PK 194+2.1) - Inst: 13" f/5.6 dob
> Date: Tuesday, October 27, 1998 4:19 PM
> 
> 
> Observer: Steve Coe
> Your skills: Advanced (many years)
> Date/time of observation: Not specified.
> Location of site: Not specified.
> Site classification: Rural
> Sky darkness: 8 <1-10 Scale (10 best)>
> Seeing: 8 <1-10 Seeing Scale (10 best)>
> Moon presence: None - moon not in sky
> Instrument: 13" f/5.6 dob
> Magnification: 100X, 285X
> Filter(s): None
> Object(s): Jonkherre 900 (PK 194+2.1)
> Category: Planetary nebula.
> Class: 3b+2
> Constellation: Gemini
> Data: mag 12  size 12"x10"
> Position: RA 06:25.9  DEC +17:47.2
> Description:
> I have observed J 900 once with the 13" f/5.6 while at
> a rural site on a night I rated 8/10 for seeing and contrast.
> --
> J 900  Pretty bright, very small, somewhat elongated, grey-green in
> color.  This object can be found at 100X and going to 285X with
> averted vision makes it grow.  From R. Jonckheere PN catalog early in
> this century. (Pretty soon I will have to amend that statement!)
> 



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