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Observing >> Deep Sky Observing

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Cotts
Just Wondering
*****

Reged: 10/10/05

Loc: Toronto, Ontario
Re: New nova new [Re: Cotts]
      #6030064 - 08/16/13 11:01 PM

As for magnitude, there is an AAVSO chart that shows the star nearest to the nova to be 5.7 mag and the nova clearly has nearly a magnitude on it. Estimated Delta mag, (as if it were a wide double star) would be 0.7 mags. The nova is not as bright as the 5 main stars of Delphinus, the faintest of which, Epsilon Del, is mag 4.03. Eta Sge is mag 5.09 and is very similar to the nova.

Fun to be on the cusp of things...
Dave

Edit: Light curve....

Looks like it has peaked and is dimming past mag 5 this evening....

Dave

Edited by Cotts (08/16/13 11:08 PM)


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Special Ed
Postmaster
*****

Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: New nova new [Re: Cotts]
      #6030302 - 08/17/13 03:03 AM

Observed Nova Del 2013 at 0530 UT (8/17) through clouds with my 12x36 IS II's. The nova appeared about as bright as 29 Vul (4.8) which bumps it up 0.1m from last night. I guess the increase in magnitude has slowed way down.

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Robert Cook
sage
*****

Reged: 07/23/09

Loc: San Diego County, California
Re: New nova new [Re: Special Ed]
      #6032172 - 08/18/13 02:36 AM

Quote:

Observed Nova Del 2013 at 0530 UT (8/17) through clouds with my 12x36 IS II's. The nova appeared about as bright as 29 Vul (4.8) which bumps it up 0.1m from last night.




I agree, it appears just about as bright as 29 Vul...maybe a smidgen less, if anything. Its yellow coloration is pale but unmistakable in my 7x35 (old school) binocular.


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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: New nova new [Re: Robert Cook]
      #6032212 - 08/18/13 03:25 AM

Friday night (16th), inspite of moonlight, Nova was detactable as a naked eye object. Saturday (17th),
stronger moonlight, however the Nova was still visible to the naked eye.
With the telescope, colouration noted as off-white/pale yellow.


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Tyranthrax
sage


Reged: 04/22/13

Loc: Reno, NV
Re: New nova new [Re: Rutilus]
      #6032228 - 08/18/13 03:41 AM Attachment (30 downloads)

Is this it? I had a hard time following the instructions out there. namely because I am not sure with my diagonal to go left or right. What I did was went to eta sagitta, sao 105659 went hunting wsw and this was the brightest thing there in the area. I think it looked more yellowish orange than this photo shows. this look right to you guys though?

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norden
sage


Reged: 09/08/08

Loc: Norden
Re: New nova new [Re: Tyranthrax]
      #6032300 - 08/18/13 05:21 AM

I finally observed the Nova at 21:45 UT (8/17) through clouds with my Bino 10x50. The nova appeared about as bright as 22 and 24 Vul which is 5.2.

Edited by norden (08/18/13 05:21 AM)


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blb
Post Laureate


Reged: 11/25/05

Loc: Piedmont NC
Re: New nova new [Re: norden]
      #6032474 - 08/18/13 09:28 AM

Quote:

Is this it?...



Really? Are you serious? How could anyone tell without any field stars in the area to determine what it is? This image, if of a star, is enlarged to much to determin what it is.


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Centaur
Vendor
*****

Reged: 07/12/04

Loc: Chicago
Re: New nova new [Re: norden]
      #6032737 - 08/18/13 12:07 PM

I got to see the nova through a 9-inch scope last evening during a star party at Horner Park in Chicago. It was definitely the brightest object in its region. For those of us who are long time amateur astronomers, it was something akin to earning a merit badge. For newbies attending it was, "That's nice, now show us more of the Moon and Saturn."

Here's the related thread at the Chicago Astronomer website. I expect that by sometime on Sunday photos from the star party will be added: http://astronomer.proboards.com/index.cgi?board=StarParty&action=display&...


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Tyranthrax
sage


Reged: 04/22/13

Loc: Reno, NV
Re: New nova new [Re: blb]
      #6033133 - 08/18/13 04:07 PM

Quote:

Quote:

Is this it?...



Really? Are you serious? How could anyone tell without any field stars in the area to determine what it is? This image, if of a star, is enlarged to much to determin what it is.




easy it is the only thing that was near its region that color and brightness, if I tuned the gain up any more it was too bright that it drowned everything else up. I took several let me see if I have anything that caught anything in the area.


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Erik Bakker
Carpal Tunnel
*****

Reged: 08/10/06

Loc: The Netherlands, Europe
Re: New nova new [Re: norden]
      #6033141 - 08/18/13 04:12 PM

Had a wonderful view of the nova tonight through intermittent clouds at first and a clear sky with a slight haze later on. Surrounded by the beautiful starfields of Delphinus and Sagitta makes it a lovely nova to hunt down.

Tonight at 20.45 UT in the 7x42 FL's, color is yellowish/white to my eyes, with a Mv of 4.8, though it seemed to vary a bit. That brightness was obtained by using a customized AAVSO chart for my 7x42 binos, containing 4.8, 4.9 and 5.0 stars within the same binocular field.

Thanks AAVSO for offering such a wonderful tool .

Edited by Erik Bakker (08/20/13 02:47 AM)


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Tony Flanders
Postmaster
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Reged: 05/18/06

Loc: Cambridge, MA, USA
Re: New nova new [Re: Tyranthrax]
      #6033253 - 08/18/13 05:27 PM

Quote:

Quote:

Quote:

Is this it?...



Really? Are you serious? How could anyone tell without any field stars in the area to determine what it is? This image, if of a star, is enlarged to much to determin what it is.




easy it is the only thing that was near its region that color and brightness, if I tuned the gain up any more it was too bright that it drowned everything else up. I took several let me see if I have anything that caught anything in the area.




Out of context, there's no way to guess that star's brightness. It could be a 1st-magnitude star caught out of focus in a standard camera lens or a 15th-magnitude star caught with a CCD camera through a big telescope. And since it's pretty well burned out, there's no way to guess its color either.

If you want an identification, you need a field wide enough to include several other stars.


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LivingNDixie
TSP Chowhound
*****

Reged: 04/23/03

Loc: Trussville, AL
Re: New nova new [Re: Tony Flanders]
      #6033506 - 08/18/13 07:58 PM

Glad some folks are getting to see it! I have been under clouds since I got the push notification on the S&T app.

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Centaur
Vendor
*****

Reged: 07/12/04

Loc: Chicago
Re: New nova new [Re: norden]
      #6034383 - 08/19/13 11:35 AM

Okay, late last night Chicago Astronomer Joe finally uploaded photos of the Saturday night star party. It includes shots of the nova and even one of me: http://astronomer.proboards.com/index.cgi?board=StarParty&action=display&...

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Special Ed
Postmaster
*****

Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: New nova new [Re: Centaur]
      #6035475 - 08/19/13 10:14 PM

Cool pics, Kurt. Always neat to meet people you've only known from online. I hope to do the same some day with CN'ers here.

Here's my Nova Del report:

At 0150 8/20 UT (9:50 PM EDT 8/19), I observed the nova through my 10x50 binoculars. Estimated mag is 5.1-5.2 as compared to eta Sge (mag 5.0). Transparency was very good but the bright Moon allowed only the stars of the Summer Triangle to be visible.

There are multiple threads about the nova so I will post this report in more than one forum.


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Erik Bakker
Carpal Tunnel
*****

Reged: 08/10/06

Loc: The Netherlands, Europe
Re: New nova new [Re: Special Ed]
      #6035774 - 08/20/13 02:34 AM

Later in the evening of august 18th (ca. 21.00 UT) the brightness looked a bit variable, between 4.8 and 5.0.
Could have been the intermittent thin haze too

I observed the nova again last night (aug 19th, 20.00 UT) and estimated Mv around 5.1 in my FL 7x42 bino's. Conditions were good with very clean and clear skies, though with an almost full moon gradually more interfering.


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Robert Cook
sage
*****

Reged: 07/23/09

Loc: San Diego County, California
Re: New nova new [Re: Erik Bakker]
      #6039504 - 08/22/13 02:08 AM

I just observed the nova once again at 2013-08-22 05:52 (UTC) in my 7x35 binocular, and it appears to have faded to approximately magnitude 5.7, judging from its similarity in brightness to nearby star HD 194577 (BD+20 4559, HIP 100754).

Edited by Robert Cook (08/22/13 02:24 AM)


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cpman
member


Reged: 08/10/13

Loc: Austin, Texas, USA
Re: New nova new [Re: Robert Cook]
      #6041047 - 08/23/13 12:06 AM

I observed it today at around 9:50 PM CDT through my 10 inch dob. As other Robert Cook said, I would estimate it to be just slightly brighter than magnitude 6. It was just bright enough to produce very small diffraction spikes from the spider.
This is my first time viewing a nova. As other posters have stated, it clearly has a yellowish tone.

Edited by cpman (08/23/13 12:07 AM)


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After Hours
journeyman


Reged: 07/23/13

Loc: Vancouver, BC
Re: New nova new [Re: cpman]
      #6041958 - 08/23/13 02:15 PM

I observed the nova today at 1:00am PST on my new 10" Skywatcher Dob GOTO. My first telescope and this happens! Thank you EJN (star map) and others here on CN for helping a newbie find this amazing event!

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AstroTatDad
Pooh-Bah
*****

Reged: 04/22/13

Loc: Los Angeles - San Diego
Re: New nova new [Re: After Hours]
      #6042850 - 08/24/13 02:02 AM

Quote:

I observed the nova today at 1:00am PST on my new 10" Skywatcher Dob GOTO. My first telescope and this happens! Thank you EJN (star map) and others here on CN for helping a newbie find this amazing event!




Awesome, welcome to Cloudy Nights and congrats on the 10" SW.


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Erik Bakker
Carpal Tunnel
*****

Reged: 08/10/06

Loc: The Netherlands, Europe
Re: New nova new [Re: Robert Cook]
      #6042852 - 08/24/13 02:07 AM

Last night, aug 23 at 23 h UT, Mv had dropped to around 6.0 as observed in my 7x42 binos.

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