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Observing >> Deep Sky Observing

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Tyranthrax
sage


Reged: 04/22/13

Loc: Tampa, FL
Re: Supernova in M82 new [Re: mwc11]
      #6335928 - 01/26/14 01:49 AM

clear skies a bit north of you, just cold

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MikeBOKC
Post Laureate
*****

Reged: 05/10/10

Loc: Oklahoma City, OK
Re: Supernova in M82 new [Re: Tyranthrax]
      #6335973 - 01/26/14 02:43 AM

Our club put together a quickly organized public viewing of SN2014J tonight and we were very pleasantly surprised with the turnout and reaction -- 39 folks drove in some cases across two counties to meet in a truck stop parking lot and convoy 20 miles to the club observatory. About 15 club members were waiting with scopes and the SN was easily seen everywhere on the observing field . . . definitely the brightest SN in my observing experience! This is a terrific outreach opportunity for local clubs. WE added one new family membership tonight and made some new good friends who were most vocal and expressing their appreciation.

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mausf
member
*****

Reged: 11/02/09

Loc: CA
Re: Supernova in M82 new [Re: MikeBOKC]
      #6335985 - 01/26/14 03:17 AM

Just came from a 3 hr session, I was able to see the SN with no problem. I used my Meade 12.5", easy to spot.

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Kraus
Pooh-Bah


Reged: 03/10/12

Loc: Georgia.
Re: Supernova in M82 new [Re: mwc11]
      #6336139 - 01/26/14 07:22 AM


M-82 won't be the same without SN 2014J. I say we need to name it after someone important. How about Ronald Reagan. We have a carrier and an airport named after him.

Ms. Carol,

No sketch?


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Rich (RLTYS)
Postmaster
*****

Reged: 12/18/04

Loc: New York (Long Island)
Re: Supernova in M82 new [Re: Kraus]
      #6336162 - 01/26/14 08:09 AM Attachment (52 downloads)

On the morning of the 25th I took this image of SN 2014J in M82 with the SLOOH Remote Observatories T2hm scope.

Rich (RLTYS)


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ggalilei
scholastic sledgehammer
*****

Reged: 09/01/11

Loc: Kentucky
Re: Supernova in M82 new [Re: george golitzin]
      #6336189 - 01/26/14 08:43 AM

Is 11-32 correct? Or should it be the apparent magnitude of Proxima -32?
Actually, M=m-5(logD-1) gives a magnitude of -16.6 at 10 Pc for the supernova, whereas for Proxima the result is +4.3. So, the difference seems to be right at about 21.

Edited by ggalilei (01/26/14 09:02 AM)


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Mike C
scholastic sledgehammer


Reged: 03/05/08

Loc: Cornwall, UK
Re: Supernova in M82 new [Re: ggalilei]
      #6336265 - 01/26/14 09:50 AM Attachment (48 downloads)

Last night (Saturday) I was able to follow up Wednesday's brief observation with the C8 SCT, with a slighter longer session using the 12" f/4 Newtonian. I initially sighted M82 with a 17mm Plossl (71x), and SN 2014J was immediately obvious. Wonderful views, with plenty of detail in M82, and the supernova shining out, were obtained with a 10mm Plossl (120x).

I then took 7 x 5-minute exposures at ISO 1600 (modded EOS 600D) to create the image below. My manual guiding was not perfect though, as I'd chosen too faint a guide star. Cloud quickly moved in, as was forecast, before I could obtain more (and/or better) sub-exposures.

Regards, and clear skies!


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eps0mu0
member


Reged: 01/16/06

Loc: San Francisco, CA
Re: Supernova in M82 new [Re: Mike C]
      #6336703 - 01/26/14 01:28 PM

I made it out to a semi-dark site yesterday. M82 looked awesome through my friends Meade 10" SCT at ~120x. The SN was easily visible. In my Celestron 6" SCT, at 60x, M82 was not quite as bright and large as in the 10", but still showed detail. The SN was an easy stellar object. My first SN observation, ever!
Regards,
JCF


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Dave MitskyModerator
Postmaster
*****

Reged: 04/08/02

Loc: PA, USA, Planet Earth
Re: Supernova in M82 new [Re: eps0mu0]
      #6336848 - 01/26/14 02:50 PM

The brightness of SN 2014J is now listed as magnitude 10.0 at http://www.rochesterastronomy.org/snimages/

Dave Mitsky


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AstroFalcon
member


Reged: 12/30/12

Loc: Colorado Springs, CO
Re: Supernova in M82 new [Re: Dave Mitsky]
      #6336921 - 01/26/14 03:28 PM

I went out last evening with my ST80. Star hopped over to M81/82 and viewed the duo for the first time. The SN was easily identifiable and the three objects were a spectacle to see.

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Bill Weir
Carpal Tunnel
*****

Reged: 06/01/04

Loc: Metchosin (Victoria), Canada
Re: Supernova in M82 new [Re: Dave Mitsky]
      #6337007 - 01/26/14 04:14 PM

Quote:

The brightness of SN 2014J is now listed as magnitude 10.0 at http://www.rochesterastronomy.org/snimages/

Dave Mitsky




Cool. Mostly because this is what I estimated last night when it was the last thing I looked before packing up at around 0200hrs. The galaxy was high in the sky, the seeing was almost perfect and the SQM reading from my backyard was 21.34. (man I love my backyard) With my 20" at around 400X the view was very similar to the above posted SLOOH image, except the stars were nice tight little dots instead of bloated like in the image. I have never seen the galaxy itself so detailed.

Bill


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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: Supernova in M82 new [Re: Bill Weir]
      #6337068 - 01/26/14 04:41 PM

Still bright this evening. Used a 120mm f/8.3 Achromat refractor.

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Special Ed
Postmaster
*****

Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: Supernova in M82 new [Re: canukLX90]
      #6337212 - 01/26/14 05:47 PM

Great pics from Rich and Mike C.

@Dave and @Bill--interesting that Rochester Astronomy is calling the mV at 10.0--S&T referenced a supernova expert this morning saying that the SN would peak a week from now at mag 10.5. Maybe we've been overtaken by events? Look here.


Quote:

Interesting report on your conditions and the SN. I applaud your persistence in observing this SN under really less than favorable weather conditions.

Here in the PNW we are catching a break from the usually
normal for this time of year clouds and rain. I feel almost
guilty having 40 deg F temps at midnight!
PJ




Thanks PJ and nice pic! You almost feel guilty?


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azure1961p
Postmaster
*****

Reged: 01/17/09

Loc: USA
Re: Supernova in M82 new [Re: Astrojensen]
      #6337872 - 01/26/14 11:46 PM

Quote:

I have just come in from a short session, chasing the supernova through some sucker holes in the clouds. It was very clear between the clouds and the supernova was easily visible in my 63mm Zeiss Telemator at 76x (11mm ES82) and 93x (9mm ES100). It was difficult at 47x (18mm ES82) and not visible on the bright background of M82 at 28x (30mm ES82).

At 93x, I could hold it steady, along with some clumps and dust bands in M82. A fantastic sight! At 28x, in the 3° TFOV of the 30mm ES82, I could see the huge disk of M81, which appeared bigger than normal, and also keep both NGC 3077 and NGC 2976 inside the field. A wonderful view.


Clear skies!
Thomas, Denmark




Nice to read your report with that refractor Thomas.

Pete


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JayinUT
I'm not Sleepy
*****

Reged: 09/19/08

Loc: Utah
Re: Supernova in M82 new [Re: azure1961p]
      #6338013 - 01/27/14 01:40 AM

Reports of mag. 10.5 up to 11.3 coming in. On another note if your interested to see which Messier Galaxies have had supernova and their dates you can find that at this link. Here are the supernova by data in this link. The second link has more info on the actual SN. The last SN as many know and some might not in Messier 31 was in 1885 (that we've seen) and visually it got down to mag. 5.8.

I observed SN 2014J Friday and Saturday with the 14" and tonight with the 4. Sketched the SN each night as well. Now weather will play a factor after tomorrow for me.


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stevecoe
"Astronomical Tourist"
*****

Reged: 04/24/04

Loc: Arizona, USA
Re: Supernova in M82 new [Re: JayinUT]
      #6338048 - 01/27/14 03:19 AM

Hi Jay;

Thanks for the links, lots of great info. It was easy in a friends 22 inch last night and I would estimate 11.0 at that time. Like you, we are under lots of clouds for the next 36 hours or so.

Take care;
Steve Coe


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hokkaido53
sage


Reged: 05/07/12

Loc: New Mexico
Re: Supernova in M82 new [Re: JayinUT]
      #6338389 - 01/27/14 09:49 AM

Quote:

Reports of mag. 10.5 up to 11.3 coming in. On another note if your interested to see which Messier Galaxies have had supernova and their dates you can find that at this link. Here are the supernova by data in this link. The second link has more info on the actual SN. The last SN as many know and some might not in Messier 31 was in 1885 (that we've seen) and visually it got down to mag. 5.8.

I observed SN 2014J Friday and Saturday with the 14" and tonight with the 4. Sketched the SN each night as well. Now weather will play a factor after tomorrow for me.



I saw the SN last night around 8pm, and it did seem brighter than the night before.

Roy in Taos


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nirvanix
Carpal Tunnel


Reged: 06/07/07

Loc: Saskatoon, SK
Re: Supernova in M82 new [Re: hokkaido53]
      #6338411 - 01/27/14 10:02 AM

I think it's marginally brighter than when I first saw it last Wed. I didn't need averted vision last night for the same scope/eyepiece combo that required it then.

Any guesses as to how bright it'll get? No chance of mag 8 or better?


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JasonBurry
sage


Reged: 04/27/12

Loc: Cape Spencer, NB, Canada
Re: Supernova in M82 new [Re: nirvanix]
      #6338680 - 01/27/14 12:32 PM

Wonderful group of images and observations in here!

I got out my own 8" dob on Friday night, -16C, clear, green zone. Spent about an hour on M82, enjoying the view at 37x, 100 and 200x, and was able to discern the SN at all magnifications. I'd agree with many others here who have reported a brightness in the vicinity of mag 11 on Friday night, perhaps a touch brighter, but well shy of mag 10 at that time. To my eye, its colour was more blueish than the other nearby mag 10-11 field stars. I was able to observe the SN without averted vision at all powers.

Following that, I sailed thru M42, enjoying the trapezium and its environs, following billowy clouds in the great bat-wing arc, and finished the night on Jove, with 3 moons visible, Europa in transit behind the giant.

Why don't I do this more often???

J


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Niels2011
super member


Reged: 06/09/11

Loc: UK
Re: Supernova in M82 [Re: nirvanix]
      #6338683 - 01/27/14 12:33 PM

Enjoying reading the nice reports, and thanks for the heads up. I'm hoping it'll stay bright enough so I can show my kids before their bed-time when the clouds eventually clear! Myself I saw it last night and really enjoyed the views in my 8" newt: at 36x it was an easy averted vision object in the 2.3* field of my 28 UWAN, and the wide view of M82, M81 and NGC3077 was very lovely, as Thomas commented above. At higher mags I could see it sharply with direct vision. The night was quite good for my orange zone, with good transparency and surprisingly good seeing. I could see the dark dust lane crossing the galaxy with averted vision and the brighter area at the opposite end from the SN. Later Jupiter showed some very good detail in the bands and around the GRS. But it was a night mainly for M82! I had a go with my 8x42s before looking in the scope and fancied that M82 had a slight stellar brightening with av, but I think I might have been fooling myself because I couldn't see it later.

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