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Observing >> Deep Sky Observing

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SyedRaza
The Milky Way Resident


Reged: 11/17/08
Posts: 120
Loc: The Milky Way
Information on a galaxy
      #3394562 - 10/17/09 12:56 PM

Hi

There is a galaxy right at [ RA 13h 27m 46s ] [ DEC 54d 47'57" ] in Ursa Major (not easily visible in the sky these days) just a little north east of Alcor, is there a place where I can find it's information i-e name NGC no.(if there is one) etc., specially that how much magnification will be needed in a large aperture scope?

Thanks

--------------------
Syed
Another Astrophile


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Man in a Tub
Not Retired!, But a little cranky!!!


Reged: 10/28/08
Posts: 2029
Loc: San Francisco, CA
Re: Information on a galaxy new [Re: SyedRaza]
      #3394687 - 10/17/09 02:10 PM

Hallo Northern Sky at Deepsky Level 3 shows PGC 47178 at this location.

You may find NED helpful. You can query by RA and DEC.

NASA/IPAC Extragalactic Database (NED)

This site was recommended to me several weeks ago for galaxies. I haven't used it yet. Note my equipment.

Best Regards,

--------------------
Todd

Brunton Eterna 15x51 ° Garrett Optical Signature Series 15x70
Nikon Action EX 12x50 ° Oberwerk 15x60 and 20x80 Standard
Orion Paragon Plus Mount and Paragon XHD Tripod
Garrett Optical Series 2000 Grip-Action Monopod



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Bill Weir
Pooh-Bah
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Reged: 06/01/04
Posts: 1297
Loc: Metchosin (Victoria), Canada
Re: Information on a galaxy new [Re: Man in a Tub]
      #3394757 - 10/17/09 02:58 PM

When I plug those coordinates into SIMBAD I come up with this.
http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%40529612&Name=MCG%2b09-22-064&submit=submit
Click on the Aladin Previewer to see if this is the galaxy you are meaning.

I might try for this with my 12.5" scope from a very dark site but wouldn't expect success. You never know until you try. With objects like this observing experience is your best weapon. I'm guessing 200X + would be needed and then maybe might pick up that bright core.

Good luck.

Bill

--------------------
6'' Orion SkyQuest
12.5'' f/5 Custom Truss Dob
William Optics 80mm ZenithStar ED II
f/5 25" newtonian on a giant GEM, any time I want

Observing sessions grand total for 2008, 121.
So far in 2009, 92


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SyedRaza
The Milky Way Resident


Reged: 11/17/08
Posts: 120
Loc: The Milky Way
Re: Information on a galaxy new [Re: Bill Weir]
      #3395747 - 10/18/09 08:14 AM

Thanks a lot Todd and Bill, this is what I was looking for, plus, very informative websites that I never knew of.

--------------------
Syed
Another Astrophile


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Tony Flanders
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Reged: 05/18/06
Posts: 3467
Loc: Cambridge, MA, USA
Re: Information on a galaxy new [Re: SyedRaza]
      #3395931 - 10/18/09 10:38 AM

Quote:

There is a galaxy right at [ RA 13h 27m 46s ] [ DEC 54d 47'57" ] in Ursa Major (not easily visible in the sky these days) just a little north east of Alcor, is there a place where I can find it's information i-e name NGC no.




OK, now you've really piqued my curiosity! Exactly how did you stumble upon this incredibly obscure 16th-magnitude galaxy?

I would call it UGC 8462, by the way. My rule of thumb for chosing among a typical galaxy's 8 to 10 designations is Messier first, NGC second, UGC third, and only then use the PGC designation. Many people would also use the MCG designation (MCG 9-22-64) in preference to the PGC. Or CGCG 271-42.

--------------------
Tony Flanders

First and foremost observing love: naked eye.
Second, binoculars.
Last but not least, telescopes.
And I sometimes dabble with cameras.


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wfj
sage
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Reged: 01/10/08
Posts: 259
Loc: California, Santa Cruz County
Re: Information on a galaxy new [Re: Tony Flanders]
      #3396764 - 10/18/09 06:34 PM

Perhaps it could be called Alcor's ghost?

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Man in a Tub
Not Retired!, But a little cranky!!!


Reged: 10/28/08
Posts: 2029
Loc: San Francisco, CA
Re: Information on a galaxy new [Re: Tony Flanders]
      #3396779 - 10/18/09 06:45 PM

Quote:

I would call it UGC 8462, by the way. My rule of thumb for chosing among a typical galaxy's 8 to 10 designations is Messier first, NGC second, UGC third, and only then use the PGC designation. Many people would also use the MCG designation (MCG 9-22-64) in preference to the PGC. Or CGCG 271-42.




Thanks, Tony. That's very useful so I can be on the "same" page around here.

--------------------
Todd

Brunton Eterna 15x51 ° Garrett Optical Signature Series 15x70
Nikon Action EX 12x50 ° Oberwerk 15x60 and 20x80 Standard
Orion Paragon Plus Mount and Paragon XHD Tripod
Garrett Optical Series 2000 Grip-Action Monopod



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sgottlieb
sage


Reged: 07/22/07
Posts: 339
Loc: SF Bay area
Re: Information on a galaxy new [Re: Tony Flanders]
      #3397375 - 10/19/09 02:05 AM

Quote:


OK, now you've really piqued my curiosity! Exactly how did you stumble upon this incredibly obscure 16th-magnitude galaxy?

I would call it UGC 8462, by the way. My rule of thumb for chosing among a typical galaxy's 8 to 10 designations is Messier first, NGC second, UGC third, and only then use the PGC designation. Many people would also use the MCG designation (MCG 9-22-64) in preference to the PGC. Or CGCG 271-42.




When I read this thread tonight I thought I probably had observed this galaxy as I like picking off obscure galaxies near bright stars. Interestingly, though I missed UGC 8462 I've observed a galaxy even closer to Mizar, namely MCG +09-22-053, which resides just 13' SW of Mizar!

MCG +09-22-053 = CGCG 271-034 = PGC 46714
13 22 32.5 +54 49 06
0.8'x0.6', Mag(B) = 15.0

18" (6/7/08): this galaxy is located in the same low power field of Zeta UMa (Mizar/Alcor). At 200x and 262x it appeared faint, very small, round, 18" diameter [elongated on the DSS]. Situated 50" SSE of a mag 11 star. It's surprising this galaxy is never mentioned as a challenge as Mizar is such a well-known double star.

--------------------
Steve Gottlieb
18" f/4.3 Starmaster
Adventures In Deep Space
7500+ NGC/IC Visual Descriptions
NGC/IC Project


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SyedRaza
The Milky Way Resident


Reged: 11/17/08
Posts: 120
Loc: The Milky Way
Re: Information on a galaxy new [Re: Tony Flanders]
      #3399426 - 10/20/09 01:42 AM

Quote:



OK, now you've really piqued my curiosity! Exactly how did you stumble upon this incredibly obscure 16th-magnitude galaxy?






Yes tony as Steve said it's nearby the popular star pair, plus it's mag w/filter is under 15 I guess.

Syed

--------------------
Syed
Another Astrophile


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David Knisely
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Reged: 04/19/04
Posts: 8275
Loc: Beatrice, Nebraska
Re: Information on a galaxy new [Re: SyedRaza]
      #3400313 - 10/20/09 02:17 PM

Quote:

Quote:



OK, now you've really piqued my curiosity! Exactly how did you stumble upon this incredibly obscure 16th-magnitude galaxy?






Yes tony as Steve said it's nearby the popular star pair, plus it's mag w/filter is under 15 I guess.

Syed




Well, its blue magnitude is 15.7 (photographic magnitude is 15.5) and it is a spiral (class Sab). The color index of many spirals is in the 0.5 to 0.8 range, so the true visual magnitude of the galaxy is probably in the range of 14.9 to maybe as faint as 15.2. Clear skies to you.

--------------------
David W. Knisely
Hyde Memorial Observatory
http://www.hydeobservatory.info
Prairie Astronomy Club
http://www.prairieastronomyclub.org


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SyedRaza
The Milky Way Resident


Reged: 11/17/08
Posts: 120
Loc: The Milky Way
Re: Information on a galaxy new [Re: David Knisely]
      #3401920 - 10/21/09 10:53 AM

Thanks David for clarifying upon the magnitude. I wasn't quite sure of it.

Clear skies to you too

--------------------
Syed
Another Astrophile


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