[Prev][Next][Index][Thread]

Re: (IAAC) Obj: NGC4361 - Inst: 30cm, f:10, SCT, LX200



Which is Constellation Cor? Corvus is abreviated Crv.

----- Original Message -----
From: "Apache User" <apache@atmob.org>
To: "Internet Amateur Astronomers Catalog" <netastrocatalog@atmob.org>
Sent: Thursday, December 06, 2001 10:06 PM
Subject: (IAAC) Obj: NGC4361 - Inst: 30cm, f:10, SCT, LX200


> ----
>
> Observation Poster: Jim Anderson <madmoon@bellsouth.net>
>
> Observer: Jim Anderson
> Your skills: Intermediate (some years)
> Date/time of observation: 05132001-22:40EST
> Location of site: Bigwoods, NC (Lat 35:46, Elev 250')
> Site classification: Exurban
> Sky darkness: 5 <1-10 Scale (10 best)>
> Seeing: 6 <10-1 Seeing Scale (1 best)>
> Moon presence: None - moon not in sky
> Instrument: 30cm, f:10, SCT, LX200
> Magnification: 117X, 203X, 314X
> Filter(s): UBC, O-III
> Object(s): NGC4361
> Category: Planetary nebula.
> Class: 3a(2)
> Constellation: Cor
> Data: mag 10.3  size 45"
> Position: RA 12:24.5  DEC -18:48
> Description:
> 117X - A small blue-green glowing spot without filter. Best with O-III
filter,
> but almost as good with UHC filter. The PNe looks granular.
>
> 203X -  The O-III filter dims the PNe and little is seen. The UHC filter
dims
> some, but the central star is well seen. The best view is without a
filter.
> The central star is steady, the PNe is not round, but 4-lobed like a fat
fuzzy
> cross. The Lobes are brightest with the area between the lobes, being dim,
but
> with a definate glow. The granular apperance is not seen at higher powers.
>
> 314X - NGC4361 s too dim to show any detail with the O-III filter and the
UNC
> filter does not help any. The central star is well seen, but the PNe is
mostly
> a dim ghost with unfilterd view.
> --
> Optional related URLs:
> ** This observing log automatically submitted via the Web from:
>   http://www.visualdeepsky.org/enter-log.html
> To stop receiving all 'netastrocatalog' lists, use the Web forms at:
> http://www.visualdeepsky.org/subscribe.html

To stop receiving all 'netastrocatalog' lists, use the Web form at:
http://www.visualdeepsky.org/subscribe.html

References: