Return to the Cloudy Nights Telescope Reviews home pageAstronomics discounts for Cloudy Nights members
· Get a Cloudy Nights T-Shirt · Submit a Review / Article

Click here if you are having trouble logging into the forums

Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu… uh, User

Observing >> Variable Star Observing and Radio Astronomy

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | (show all)
Hubert
sage


Reged: 09/26/06

Loc: Belgium
New nova in delphinus
      #6025615 - 08/14/13 05:21 PM

There's a new nova in Delphinus

http://www.cbat.eps.harvard.edu/unconf/followups/J20233073+2046041.html

Just visualy observed it and estimated it 6.5. AAVSO chart 12506UL

Compstars 62 and 70.

Easy visible in 8x42 bino.


Post Extras: Print Post   Remind Me!   Notify Moderator  
ZielkeNightsky
Carpal Tunnel
*****

Reged: 10/01/06

Loc: Denmark
Re: New nova in delphinus new [Re: Hubert]
      #6025621 - 08/14/13 05:24 PM

Just observed it, my guees is around 6.2 . 8x50 bino

Post Extras: Print Post   Remind Me!   Notify Moderator  
John Gauvreau
Astro Sensei


Reged: 10/19/07

Loc: Dundas, Ontario, Canada
Re: New nova in delphinus new [Re: ZielkeNightsky]
      #6026066 - 08/14/13 09:55 PM

Just observed with 8x42 Atlas Radian bonoculars and Oberwerk 15x70 at 9:55pmEDT, and I would estimate maybe 5.7-5.8
Very nice and easy to find.

Edited by John Gauvreau (08/14/13 10:04 PM)


Post Extras: Print Post   Remind Me!   Notify Moderator  
Aaron Turner
sage


Reged: 03/18/08

Loc: Southbury, CT
Re: New nova in delphinus new [Re: John Gauvreau]
      #6026105 - 08/14/13 10:19 PM

10:20 EDT. 20x80 binoculars. Bit shaky (too much yard work today) without the tripod. I'd estimate between 6.2 and 5.7 based on nearby known stars.

Post Extras: Print Post   Remind Me!   Notify Moderator  
PGW Steve
Pooh-Bah


Reged: 10/03/06

Loc: Winnipeg, Canada
Re: New nova in delphinus new [Re: Aaron Turner]
      #6026325 - 08/15/13 12:45 AM

Strange.....I just went to the RA/DEC on the CBAT site, plate solved it to within seconds, and shot an exposure, there is nothing showing in the field of the reported magnitude....I must find this thing!!!

GOT IT!!!!! Topocentric vs J2000 issue.

Edited by PGW Steve (08/15/13 01:03 AM)


Post Extras: Print Post   Remind Me!   Notify Moderator  
Achernar
Postmaster
*****

Reged: 02/25/06

Loc: Mobile, Alabama, USA
Re: New nova in delphinus new [Re: Hubert]
      #6026417 - 08/15/13 02:18 AM

I think it's possibly brigther than magnitude +5.7, given that I quite probably saw it with the unaided eye between passing bnads of clouds just now. I was looking from my driveway in Mobile, which is heavily light polluted.

Taras


Post Extras: Print Post   Remind Me!   Notify Moderator  
Joe F Gafford
Carpal Tunnel


Reged: 12/15/06

Loc: Denver, Colorado, US
Re: New nova in delphinus new [Re: Achernar]
      #6026439 - 08/15/13 03:07 AM Attachment (44 downloads)

I agree it is closer to mag 5.7. It seems to match nearby Hip 100754 at mag 5.8 with 7x50 binos. An image of the area with annotations taken 11-3-1996 with the Mamiya RZ camera with the 110mm F/2.8 lens wide open for 22 minutes on the Kodak PPF 400 film. Small area of the negative taken in the Delphinus area. 5 deg horizontal, north up.

Joe


Post Extras: Print Post   Remind Me!   Notify Moderator  
Hubert
sage


Reged: 09/26/06

Loc: Belgium
Re: New nova in delphinus new [Re: Joe F Gafford]
      #6026467 - 08/15/13 04:14 AM

My observation at the beginning of the evening was 6.5 but it clearly was getting brighter by the hour. The latest observations are around 5.5

Post Extras: Print Post   Remind Me!   Notify Moderator  
Rich (RLTYS)Moderator
Postmaster
*****

Reged: 12/18/04

Loc: New York (Long Island)
Re: New nova in delphinus new [Re: Hubert]
      #6026534 - 08/15/13 06:00 AM

Unfortunetly I just found out about it this morning (8/15). Hope to observe it tonight.

Rich (RLTYS)


Post Extras: Print Post   Remind Me!   Notify Moderator  
RobK
sage


Reged: 07/06/08

Loc: Bright, Vic, Australia
Re: New nova in delphinus new [Re: Rich (RLTYS)]
      #6026570 - 08/15/13 06:52 AM

CBET has now been issued - CBET 3628 : 20130815 : NOVA DELPHINI 2013 = PNV J20233073+2046041. Cloudy here...

Cheers -

Rob


Post Extras: Print Post   Remind Me!   Notify Moderator  
John Gauvreau
Astro Sensei


Reged: 10/19/07

Loc: Dundas, Ontario, Canada
Re: New nova in delphinus new [Re: RobK]
      #6026639 - 08/15/13 08:17 AM

Yeah, I looked again before I went to bed last night, a little over 2 hours after my first observation and I estimated it at 5.6-5.7 (12:15amEDT) so I would agree with Hubert that it is getting brighter. I'm looking forward to seeing it tonight!

Post Extras: Print Post   Remind Me!   Notify Moderator  
BrooksObs
professor emeritus


Reged: 12/08/12

Re: New nova in delphinus [Re: John Gauvreau]
      #6026922 - 08/15/13 11:10 AM

Available data from this morning indicates that the nova is currently probably peaking in brightness at magnitude 5.5-5.6 . This suggests that it should still be around this range tonight when darkness returns to the Americas.

I would note that it is a rare thing to actually view a nova when precisely at maximum, most of them being discovered some days (sometimes weeks) after they have peaked and they are fading.

It will prove interesting to see just what type of nova this new object will be, fast, normal, or slow. HR Del 1967 was situated about 10 degrees to the SE of the new nova's position. It was a very slow nova, remaining near maximum for a couple of months! However, its rise to maximum was much slower and its amplitude less than seems to be the case with the new object.

BrooksObs

Edited by BrooksObs (08/15/13 11:17 AM)


Post Extras: Print Post   Remind Me!   Notify Moderator  
elleng
newbie


Reged: 07/23/13

Re: New nova in delphinus [Re: BrooksObs]
      #6026991 - 08/15/13 11:49 AM

Looking forward to glimpsing this one.

I found a link with a good pdf chart

http://www.freestarcharts.com/index.php/19-news-and-current-events/186-bright...


Post Extras: Print Post   Remind Me!   Notify Moderator  
jmandell
sage


Reged: 06/15/11

Re: New nova in delphinus [Re: BrooksObs]
      #6027004 - 08/15/13 11:54 AM

Sweet! I have been thinking about getting into dslr photometry, and I now have a target tonight. It will be my first time doing anything of the sort, so I'll probably mess up, but I have to take the leap some time.

Post Extras: Print Post   Remind Me!   Notify Moderator  
Herr General
member


Reged: 06/20/13

Loc: Ohio
Re: New nova in delphinus [Re: jmandell]
      #6027137 - 08/15/13 01:02 PM

I tried finding it with a 12" last night, but I couldn't conclusively identify it (though I'm sure I passed over it a few times). I chalked it up to the 12" "cluttering" the field with a lot of insignificant background stars and my own inexperience with star hopping- since it's apparently brighter tonight, I'll try again with binoculars or my 6" and see if I have better luck.

Post Extras: Print Post   Remind Me!   Notify Moderator  
PGW Steve
Pooh-Bah


Reged: 10/03/06

Loc: Winnipeg, Canada
Re: New nova in delphinus [Re: Herr General]
      #6027176 - 08/15/13 01:24 PM Attachment (33 downloads)

I managed to get it with the 14", and my FSQ. A friend of mine was shooting with a 105mm lens on a 60D and it shows up well, we can pick out the small circular asterism right next to it.

17.5'x13.3' FOV


Post Extras: Print Post   Remind Me!   Notify Moderator  
Dean Norris
Carpal Tunnel
*****

Reged: 11/05/08

Loc: Santa Cruz, Ca
Re: New nova in delphinus [Re: PGW Steve]
      #6027458 - 08/15/13 03:38 PM

I first found the nova in 7x50 binos ( 8/15/13, 6 UT) and then observed it in my 10" newt. When comparing it to the star Hip 100754 it did seem slightly brighter. Though Hip 100754 is orange in color with the nova being yellow in tone. I'm assuming the orange tone looks less bright than a star that's yellow of the same magnitude. Anyway I would estimate it's brightness as 5.6 approx. Using my 20mm 100* ep 1.3afov, I was able to get both stars in the same fov. Moving the scope enabled me to see NGC 6905 and the nova in same fov. I'll check it out tonight weather permitting. It was great getting the news yesterday and being able to find it last night. This forum is great! Thanks to Hubert for the timely post.

Dean


Post Extras: Print Post   Remind Me!   Notify Moderator  
BrooksObs
professor emeritus


Reged: 12/08/12

Re: New nova in delphinus [Re: Dean Norris]
      #6027570 - 08/15/13 04:24 PM

UP DATE - Although Nova Del seemed to have leveled off in brightness at 5.5-5.6 overnight for the western hemisphere, a new group of reported sightings centered around 19h UT today suggests a further rise may be in progress. The mean of these data puts the nova's brightness at closer to 5.0 . Be sure to check the nova this evening as soon as it gets dark.

BrooksObs

Edited by BrooksObs (08/15/13 04:29 PM)


Post Extras: Print Post   Remind Me!   Notify Moderator  
Bruce MacDonald
Pooh-Bah


Reged: 01/12/06

Loc: Devizes, Wiltshire, UK
Re: New nova in delphinus [Re: BrooksObs]
      #6027690 - 08/15/13 05:29 PM

Congratulations to Koichi Itagaki, the discoverer. Need to get out and observe it soon.

Post Extras: Print Post   Remind Me!   Notify Moderator  
Juan J. Gonzalez
member


Reged: 05/18/07

Loc: Spain
Re: New nova in delphinus [Re: Bruce MacDonald]
      #6027707 - 08/15/13 05:35 PM

My last measure from Spain gives me about 4.8 mag.

PNV J20233073+2046041 20130815.858 4.77R 0.04 4 CMC

-Juanjo


Post Extras: Print Post   Remind Me!   Notify Moderator  
Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | (show all)


Extra information
0 registered and 3 anonymous users are browsing this forum.

Moderator:  Rich (RLTYS) 

Print Thread

Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled


Thread views: 12223

Jump to

CN Forums Home


Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics