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Galaxy NGC 7332 in Pegasus

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#1 VanJan

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Posted 18 November 2012 - 05:47 AM

22h 37.4m +23d 48m Observed with 90mm refractor under NELM 4.5 skies at magnifications 36X to 150X.

Somewhat bright elliptical halo extended NNW to SSE. Suddenly brighter core region. Scintillating stellar nucleus becomes visible with averted vision. Reddish 10th magnitude star south, slightly following. 12th magnitude star south following. Companion galaxy NGC 7339 not visible.

So what aperture would be sufficient to reveal the companion galaxy under less than ideally dark skies such as my own? Would it take at least a 200mm, or could the galaxy be at least spotted with a somewhat smaller telescope? Opinions? Observations?

#2 Sasa

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Posted 18 November 2012 - 08:44 AM

Tried this pair this year with the same result. From my backyard, NGC7332 was nice silver line in 130mm refractor but no trace of NGC7339 althoug I was really looking for it.

#3 dgg99

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Posted 18 November 2012 - 11:07 AM

I've seen NGC 7339 in my 120mm refractor from a moderately dark site. It was quite faint and appeared only after spending some time at the eyepiece, but was confirmed by its elongation and orietation, almost perpendicular to NGC 7332.

On the other hand, NGC 7332 is a nice galaxy, with a bright, almost starlike nucleus. It reminds me of NGC 3115 in Sextans.

Clear skies,

#4 VanJan

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Posted 18 November 2012 - 01:38 PM

Sasa and Diego,

Very interesting! :) A big :thanx: to you both for your observations.

Clear and steady skies,

VanJan

#5 dgg99

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Posted 18 November 2012 - 03:07 PM

Oh, I forgot to say that from my backyard, with average NELM 5.2, NGC 7339 is not visible to me. This galaxy has magnitude 12.2, and the faintest ones I've seen under that sky are around mag. 11.5.

Regards

#6 whirlpoolm51

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Posted 18 November 2012 - 04:34 PM

I only spotted NGC 7339 with my 16" from my backyard (NELM 4.5 to 5.5 i would say) and this was a good night!!

NGC 7332 was a very nice bright streak of ghostly light with hints of a central area while it took some time with AV to bring out 7339!! I didnt notice it at first but when i went back to it i could just make out its ghostly glow , after i finally caught a glimpse of it , it was visible with direct vision!!

If you know exactly where it is with regards to position to NGC 7332 you should be able to find it!!

Nice report!!!

#7 Carol L

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Posted 20 November 2012 - 05:36 AM

Anthony, my observation closely matches yours.

7332 was pretty obvious in the 16"LB, but 7339 was a little stinker :lol: - AV was definitely needed to pick out its boundaries. Detection might have been easier if not for the eternal 'average' transparency of northcentral Wisconsin, but we have to work with what we've got, don't we? :)

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#8 VanJan

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Posted 20 November 2012 - 07:45 AM

Superb sketch! :goodjob: A big thanks to Anthony and Carol for sharing their observations. :grin:

#9 Achernar

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Posted 20 November 2012 - 09:33 AM

Both NGC-7332 and 7339 are visible through a 6-inch (150mm) telescope if the skies are clear and dark. I have seen them a number of times with my 6-inch Dob.

Taras






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