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Observing >> Deep Sky Observing

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azure1961p
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Small Summer Planetaries
      #5955680 - 07/05/13 08:10 AM

Hi Folks,

I've drafted up a challenging list of planetaries for this summer with Sasa's help. Some we have seen, others have not yet been seen. Some are easy and done are very very challenging. I've tried to keep the magnitudes maxing around 12.5v so with a UHC, OIII or Hbeta they can still be had from less than optimal sky's.

If anyone wants to add to the list it'd be great.

List: Small Bright planetarys Summer
NGC 6891 Planetary Nebula in Delphinus
NGC 7027 Planetary Nebula in Cygnus
Blue Flash Nebula - NGC 6905 Planetary Nebula in Delphinus
Blinking Planetary Nebula - NGC 6826 Planetary Nebula in Cygnus
NGC 6210 Planetary Nebula in Hercules
IC 4593 Planetary Nebula in Hercules
Little Gem Nebula - NGC 6818 Planetary Nebula in Sagittarius
Saturn Nebula - NGC 7009 Planetary Nebula in Aquarius
NGC 6572 Planetary Nebula in Ophiuchus
NGC 6886 Planetary Nebula in Sagitta
Vyssotsky 1-2 Planetary Nebula in Hercules
Henize 2-327 planetary in Sagitarius
ARO 11 Campbells Hydrogen Star, Planetary Nebula in Cygnus
UGC 11668 Egg Nebula listed as Galaxy in Cygnus in Sky Safari
Footprint Nebula - M 1-92 Bright Nebula in Cygnus
Humason 1-2 Planetary Nebula in Cygnus
NGC 6778 Planetary Nebula in Aquila
NGC 6884 Planetary Nebula in Cygnus
NGC 7026 Planetary Nebula in Cygnus
IC 3568 Planetary Nebula in Camelopardalis
Box Nebula - NGC 6309 Planetary Nebula in Ophiuchus
NGC 6369 Planetary Nebula in Ophiuchus
Phantom Streak - NGC 6741 Planetary Nebula in Aquila
NGC 6803 Planetary Nebula in Aquila
IC 5117 Planetary Nebula in Cygnus
IC 5217 Planetary Nebula in Lacerta
PK38+12.1 planetary in Ophiuchus 12.5v to 13.5v depending on source
IC1295 Scutum
NGC 6781 Aquila
NGC 6790. Aquila
NGC 6543 Draco
NGC40 Cepheus
NGC7139 Cepheus


Pete

Edited by azure1961p (07/05/13 05:52 PM)


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Sasa
professor emeritus


Reged: 11/03/10

Loc: Ricany, Czech Republic
Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5955711 - 07/05/13 08:46 AM

Thanks Pete for the list. There are definitely names I did not hear about before and it is a good inspiration. I'm sure, people can add few more candidates.

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sgottlieb
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Reged: 07/22/07

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Re: Challenging Summer Planetaries new [Re: Sasa]
      #5955955 - 07/05/13 11:32 AM

Excellent list, Pete. Listed planetary magnitudes can be all over the map, but Henize 2-327 is probably closer to mag 14.5, based on a visual estimate I made back in 1987 in an 18" (described as "very faint" in that scope).

This planetary was first discovered by Minkowski in 1947, so the discovery name is M 2-24. The position is 18 02 02.9 -34 27 47, if others want to take a look and compare. I'd suggest blinking with an OIII or narrowband filter as the size is quite small.


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azure1961p
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Re: Challenging Summer Planetaries new [Re: sgottlieb]
      #5956010 - 07/05/13 12:13 PM

Thanks, guys. Steve thanks for the clarifier. My stellar faint mag limit is 15 but the sky's I use now are nearly a full mag brighter so my Minkowski choice may have been rather optimistic. I doubt ill see all but I feel good about a lot. Thanks for your comments!

Pete


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Dave MitskyModerator
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Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5956063 - 07/05/13 01:00 PM

You may want to add NGC 6781 and NGC 6804 in Aquila and IC 1295 in Scutum to your list.

Dave Mitsky


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azure1961p
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Re: Challenging Summer Planetaries new [Re: Dave Mitsky]
      #5956082 - 07/05/13 01:13 PM

Done! Thank you David. I've seen those two NGCs and they are nice but not the IC just yet. I'm looking forward to it.

Pete


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KidOrion
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Reged: 07/07/07

Loc: Carbondale, IL
Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5956099 - 07/05/13 01:24 PM

NGC 7139 in Cepheus is somewhat tricky (NGC 40 in Cepheus is much easier). NGC 6337 (Scorpius), which was an Object of the Week over at Deep Sky Forum, is another cool one. And don't forget the Bug (NGC 6302) while you're there!

IC 1295 is interesting; I've seen it from the Cincinnati suburbs in an 8" SCT with a UHC filter, yet some reports consider it difficult with similar gear in rural skies.

Edited by KidOrion (07/05/13 01:25 PM)


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aatt
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Reged: 07/26/12

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Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5956103 - 07/05/13 01:29 PM

I am working on this list right now. Question-in Scutum I think it is IC 1298 right next (or in) globular NCG6712. I had a broad band on and cranked it to 190x. I could not pick that thing out. I stared and swatted at mosquitoes and searched and stared and swatted at mosquitoes to no avail. Is this one that requires even higher mag or must have an OIII? Any tips?

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eps0mu0
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Reged: 01/16/06

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Re: Challenging Summer Planetaries new [Re: aatt]
      #5956219 - 07/05/13 03:07 PM

Pete,
In a reply to a recent post of mine, you mentioned the bright planetary NGC6543 in Draco, the "Cat's Eye Nebula". It is an easy one, as I was able to pick it up yesterday. It is well placed for summer viewing.
Regards,
JCF


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azure1961p
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Re: Challenging Summer Planetaries new [Re: eps0mu0]
      #5956268 - 07/05/13 03:41 PM

Son of a gun, I omitted 6543!!! And I had it in my head to put it on the list!

Editing.

Aatt: I looked on Safari and the magnitude is omitted - not a good sign!!! I'm thinking it may be incredibly small and very very faint. More over Safari lists it as a multiple star, not a planetary. Hers a link with a graphic - I think its non nebulous. However Burnhams sais: 14th magnitude 17 mag central star, 80x60". Hmmm.
http://www.darkerview.com/scripts/query.php?IC1298

Kid Orion: NGC40 and NGC7139 are great. The other is farther south than I look for seeing reasons but its a nice call.
Pete

Edited by azure1961p (07/05/13 04:58 PM)


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Dave MitskyModerator
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Re: Challenging Summer Planetaries new [Re: aatt]
      #5956349 - 07/05/13 04:33 PM

Quote:

I am working on this list right now. Question-in Scutum I think it is IC 1298 right next (or in) globular NCG6712. I had a broad band on and cranked it to 190x. I could not pick that thing out. I stared and swatted at mosquitoes and searched and stared and swatted at mosquitoes to no avail. Is this one that requires even higher mag or must have an OIII? Any tips?




IC 1295 is the planetary nebula in the vicinity of NGC 6712. Using a narrowband or OIII filter will make it much easier to see.

Dave Mitsky


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Astrojensen
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Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5956377 - 07/05/13 04:56 PM

Hi Pete

It's a great list of small planetaries, for sure, but I wouldn't call most of them challenging. At least, *I* wouldn't... Most are very bright, mag 8 - 9.

I would call the list "the best small summer planetaries". I've seen many of them in my 63mm, as you may know.


Clear skies!
Thomas, Denmark


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azure1961p
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Re: Challenging Summer Planetaries new [Re: Astrojensen]
      #5956460 - 07/05/13 05:50 PM

Thomas - in my light pollution its challenging lol. I agree these are not truly challenging - Ive seen far fainter - but for the magnitude and size of the smallest its fairly challenging for me anyway. The bigger brighter 6210 and other beacons I added on a little later so it became more generalized. I've changed the title per your suggestion.

Pete

Edited by azure1961p (07/05/13 09:43 PM)


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LivingNDixie
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Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5956831 - 07/05/13 10:35 PM

Great list!

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REC
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Re: Challenging Summer Planetaries new [Re: LivingNDixie]
      #5957598 - 07/06/13 02:01 PM

Great list as I really like these more and more. Should I use my narrowband filter for most of these in my 8" SCT?

Thanks for posting!

Bob


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azure1961p
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Re: Challenging Summer Planetaries new [Re: REC]
      #5958164 - 07/06/13 09:04 PM

Bob I would . I find most all planetaries respond well to a UHC or an OIII . Some peculiar ones like ARO11 (Campbell's Hydrogen Star) show better with an HBeta.

Pete


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eps0mu0
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Re: Challenging Summer Planetaries new [Re: azure1961p]
      #5958388 - 07/07/13 01:40 AM Attachment (52 downloads)

I did not have anything better to do, so I put your list into a spreadsheet, and added comments from three references, Sue French's wonderful "Deep Sky Wonders", Massimo Zecchin's "Brightest Planetary Nebula Observing Atlas" (downloadable), and Martin Griffith's "Planetary Nebulae and how to observe them". I have it in spreadsheet format. Take a look. I hope I did not transpose any entries. The different references do not agree 100%, even on magnitude or size, not to mention appearance. I can only attach one file at a time, apparently. If you like, I can send it out as a pdf, as well.
Note to self... spend less time at PC, more time observing...

Regards,
J.C.F.


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Asbytec
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Re: Challenging Summer Planetaries new [Re: eps0mu0]
      #5958633 - 07/07/13 09:30 AM

Alright, Pete, when the skies clear I am up for the challenge of completing your (updated) list. Post some observations and some sketches, I will when I can.

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CelestronDaddy
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Reged: 08/22/09

Re: Challenging Summer Planetaries new [Re: eps0mu0]
      #5958661 - 07/07/13 10:02 AM

Nice! Thanks for putting this into a spreadsheet...

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REC
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Re: Challenging Summer Planetaries new [Re: eps0mu0]
      #5958673 - 07/07/13 10:09 AM

Wow, this is just great! Thanks for the sheet:)

Bob


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