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Observing >> Deep Sky Observing

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blb
Post Laureate


Reged: 11/25/05

Loc: Piedmont NC
Re: New nova new [Re: Special Ed]
      #6068402 - 09/07/13 07:24 PM

Wow Ed, did I miss it that much? I was having a hard time finding it in my light polluted sky. I thought I could see a single star with averted vision but when I got the star in my sweet averted vision spot they were both visible and looked the same magnitude. I guess I could be wrong because, like I said, I thought I could see a single star at first. You are probably more skilled than me in this, so I would go with your estimate. I will try again tonight if the conditions are good enough.

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Special Ed
Postmaster
*****

Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: New nova new [Re: blb]
      #6069092 - 09/08/13 09:17 AM

Buddy,

I did not need averted vision to see the nova or the star just west (above) it. Transparency was very good that night and I don't have any light pollution. Perhaps you had high clouds along with your LP?

I'm no expert and estimating tenths of magnitude visually is tricky and subjective. The nova was definitely brighter than the other star (I'm talking about HIP100536 mag 8.0).

I haven't seen any other mag estimates for 9/7 UT to compare our estimates to. Any around?


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Special Ed
Postmaster
*****

Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: New nova new [Re: Special Ed]
      #6074427 - 09/11/13 05:53 AM

Observed Nova Del 0115 11 Sept UT with my 12x36 binoculars. Estimated the mag to be 7.3-7.4--transparency not as good as my last observation and a little moonlight. Fading seems to have slowed to a crawl.

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Sasa
professor emeritus


Reged: 11/03/10

Loc: Ricany, Czech Republic
Re: New nova new [Re: Special Ed]
      #6074519 - 09/11/13 07:42 AM

I'm observing the nova as frequently as possible. Did you notice, that it is much more orange/reddish now? Around its maximum it was pure white to my eyes, but now it is definitely different color. BTW, here is the light curve based on my observations:



Edited by Sasa (09/11/13 07:45 AM)


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Special Ed
Postmaster
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Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: New nova new [Re: Sasa]
      #6075049 - 09/11/13 12:57 PM

I haven't notice any color except bluish-white, but I usually don't see color very well. Others have reported bluish-white to start, changing to yellowish and now reddish.

What do the numbers on the X axis of your chart mean?

Edited by Special Ed (09/11/13 12:59 PM)


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Sasa
professor emeritus


Reged: 11/03/10

Loc: Ricany, Czech Republic
Re: New nova new [Re: Special Ed]
      #6075114 - 09/11/13 01:32 PM

I called my girlfriend to show her the nice reddish color of nova which was quite obvious to me in my 63mm refractor at 21x. Especially in contrast with nearby V=8.0 magnitude star. But she could not see it neither...

JD on x-axis label stands for Julian Date.

Alexander

Edited by Sasa (09/11/13 01:33 PM)


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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: New nova [Re: Sasa]
      #6086014 - 09/17/13 01:26 PM

Here's my video clip of the nova/ spectrum over the summer

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dan777
scholastic sledgehammer
*****

Reged: 11/16/07

Loc: Indiana
Re: New nova new [Re: Special Ed]
      #6096467 - 09/23/13 09:29 AM

Quote:

I haven't notice any color except bluish-white, but I usually don't see color very well. Others have reported bluish-white to start, changing to yellowish and now reddish.




Last night (9.22.13) at 120x it appeared yellowish-orange and brighter than its mag 8.0 neighbor star.


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Fuzzyguy
professor emeritus


Reged: 12/21/11

Loc: Colorado/Kansas
Re: New nova new [Re: dan777]
      #6096634 - 09/23/13 11:13 AM

I viewed it last night with my 15x70 binoculars about 12:00 AM CDT (05:00 UTC). I didn't know what to expect as it had been several weeks since I'd seen it, but it was still there. It looked pretty close in magnitude to the 8.0 mag star to its north. It looked cool white from my location. Seeing was average and transparency was good with a waning gibbous moon.

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Special Ed
Postmaster
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Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: New nova new [Re: Fuzzyguy]
      #6097549 - 09/23/13 10:20 PM

Hello,

Nova Del 2013 O210 24 September UT ~7.8 mag seeing and transparency above average. No moon. 12x36 IS II binoculars.


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Sasa
professor emeritus


Reged: 11/03/10

Loc: Ricany, Czech Republic
Re: New nova new [Re: nytecam]
      #6097890 - 09/24/13 06:25 AM

Quote:

Here's my video clip of the nova/ spectrum over the summer




Nytecam, wonderful video, thanks. Somehow I missed your post and found it just now.


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blb
Post Laureate


Reged: 11/25/05

Loc: Piedmont NC
Re: New nova new [Re: Sasa]
      #6098396 - 09/24/13 12:37 PM

I took my 10x50 binoculars out last night, Mon. Sept. 23 2013, 10:15 pm EDT. It was an exceptional night here in town, with a NELM of 4.3 in the constellation of Delphinus. Gamma Delphinus is mag. 4.3 and it was the faintest star in the neighborhood that I could see with averted vision, so it was a great night here at home in my white zone. Try as I might, I could only see one star in the location of the nova. I do not know which star I was seeing, the nova or the 8th magnitude star beside of the nova. I guess that I will have to get out a telescope to follow the nova any futher from my home.

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Fuzzyguy
professor emeritus


Reged: 12/21/11

Loc: Colorado/Kansas
Re: New nova new [Re: blb]
      #6099662 - 09/25/13 01:06 AM

Tonight I started out with Nova Del 2013 instead of ending with it like last time. I had good looks both through the 15X70 binoculars and the C8. Between 02:00 UCT (9:00 PM CDT) and 2:30 UCT, the seeing and transparency were good with no moon and twilight ending. NELM in the area was better than 4.8 because 29 Vul was direct vision.

With the binoculars, the nova looked almost identical to the 8th mag star and cool white or maybe pale blue. The C8 showed the nova noticeably dimmer than the 8th mag star, but not nearly as dim as any of the 9th mag stars in the FoV. It was nicely framed at 127X and had a golden/yellow color.


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Rich (RLTYS)
Postmaster
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Reged: 12/18/04

Loc: New York (Long Island)
Re: New nova new [Re: Fuzzyguy]
      #6099807 - 09/25/13 06:30 AM

I looked at the nova last night with my 10" refl and at 38x no color was noted but at 76x the nova appeared a pale orange color.

Rich (RLTYS)


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lbsgville
sage


Reged: 06/15/10

Loc: Florida
Re: New nova new [Re: Rich (RLTYS)]
      #6101916 - 09/26/13 09:36 AM

This it good news. Somehow I just heard about this and was wondering if I was going to be able to see it. I have 25X100 binos and 10 and 14" scopes so I'm sure I'll see it when I get home from work next week.

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blb
Post Laureate


Reged: 11/25/05

Loc: Piedmont NC
Re: New nova new [Re: lbsgville]
      #6103104 - 09/26/13 09:46 PM

Well, instead of my binoculars, I took out my little AT66 refractor for a look at the nova tonight. I star hoped to the nova with my 24mm Panoptic eyepiece. This eyepiece gave me a four degree field-of-view at 17x. After locating the nova I switched to a 13mm Nagler eyepiece for a two degree fourty minute field-of-view at a magnification of 31x. The nova definitely appeared dimmer than the 8th magnitude star beside of it. To verify this, I defocused the stars to a point where the nova disippeared but the 8th mag. star was still visible. Not having a star dimmer than 8th mag. to interpolate brightness with, I used the 6.4 mag. and the 8.0 mag. star and tryed to extrapolate for the brightness of the nova. I came up with an approximate magnitude of 8.3 to 8.4 for the nova at 9:15pm EDT Thursday Sept. 26, 2013. The nova also appeared to be a gray to a pale blue color to me.

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Fuzzyguy
professor emeritus


Reged: 12/21/11

Loc: Colorado/Kansas
Re: New nova new [Re: blb]
      #6113701 - 10/02/13 06:19 PM

Last night I had average seeing (2-3/5) and another night of better than average transparency. (about 7-8/10) Eta Sagitta was just visible naked eye with direct vision and obvious with averted vision.

In my 15X70 binoculars, the Nova was definitely dimmer than its 8th mag neighbor. It was pretty similar in magnitude to the 9th mag star to its west which is listed as HD 351956 or SAO 88584 in SkySafari. Seems to be dimming pretty fast now.


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Fuzzyguy
professor emeritus


Reged: 12/21/11

Loc: Colorado/Kansas
Re: New nova new [Re: Fuzzyguy]
      #6129498 - 10/10/13 05:07 PM

Last night, the seeing and transparency were both good and after a look at a quasar, I came back to Nova Del 2013. In the 15X70 binoculars it was invisible. With the 8" SCT it was still there but had dimmed dramatically since I'd seen it last week. I viewed it with both the 24mm and 16mm EPs and in my opinion, it is getting close to 10th magnitude. I don't know how long it will be observable, but it seems to be dimming pretty fast now. I'd suggest anyone who wants to see this object should look now.

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Fuzzyguy
professor emeritus


Reged: 12/21/11

Loc: Colorado/Kansas
Re: New nova new [Re: Fuzzyguy]
      #6162143 - 10/28/13 09:58 AM

For anyone still interested, Nova Del 2013 is still there. Tonight through the C8 with a 16mm EP at 127X it appeared just a little brighter than the 11.2 magnitude star a few arc minutes to its west. With patience, a chart down to about 12 magnitude and a good idea of where it should be, it will be visible in most telescopes from moderately dark skies.

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blb
Post Laureate


Reged: 11/25/05

Loc: Piedmont NC
Re: New nova new [Re: Fuzzyguy]
      #6162263 - 10/28/13 11:05 AM

Great job Larry. It is nice to know that someone is still looking at this nova. I gave up because I did not have anything with magnitudes that faint to compare it with, so I am glad to hear it is still visible.

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