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RE: (IAAC) Object: Sharpless 2-242 (LBN 826) - Instrument: 18" F4.9 Dob



Lew,
Please refresh my memory of how to post properly
Cheers!
Art Russell
Atlanta, Georgia
mailto:artrussell@mindspring.com
http://Education.gsu.edu/spehar/
Member National Deep Sky Observers Society (NDSOS), Webb Society, and
Association of Lunar and Planetary Observers (ALPO)
"Sight is a faculty; seeing, an art" - George Perkins Marsh
> -----Original Message-----
> From: owner-netastrocatalog@latrade.com
> [mailto:owner-netastrocatalog@latrade.com]On Behalf Of Art Russell (via
> Lew Gramer)
> Sent: Tuesday, January 26, 1999 10:18 AM
> To: Internet Amateur Astronomers Catalog
> Subject: (IAAC) Object: Sharpless 2-242 (LBN 826) - Instrument: 18" F4.9
> Dob
>
>
>
> [Forwarded to 'netastrocatalog@latrade.com' for Art, so that it
>  can appear in our Web archive properly... Clear skies! -Lew]
>
> Observer:  Art Russell
> Your skill:  Intermediate
> Date and UT of observation: 990119   0310-0317UT
> Location & latitude: Lat 34.59, Lon 84.00
> Site classification: Suburban
> Limiting magnitude (visual): 6+
> Seeing (1 to 10 - worst-best): 5
> Moon up (phase?): No
> Weather: Low humidity. Good Sky Contrast.
> Instrument: 18 inch (46cm) F4.9 Tectron Lightweight Dobsonian.
> Magnifications: 250X
> Filters used: OIII and H-beta
> Object: Sharpless 2-242 (LBN 826)
> Constellation: Tau
> Object data: Reflection nebula
> Size(s): 7.1'X6.5'
> Position: RA: 05 51.800 DEC: 27.022222
> Magnitude: r3
> Personal "rating" (at this aperture, and sky condition):  Difficult
> Observation: Very dim object. Only suggested with OIII filter. Best seen
> when scope is shaken. Approximately 6'X3' in apparent size. Very
> faint, with
> visibility increasing with eye's adaptation at the eyepiece.
> H-beta filter:
> Visible in H-beta filter. Very faint in the field of view, but
> more visible
> than with the OIII filter.
>
> Cheers!
> Art Russell
> Atlanta, Georgia
>
> "Sight is a faculty; seeing, an art" - George Perkins Marsh
>
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