[vsnet-alert 13600] Re: Nova Lupi 2011

Rob Kaufman rob.kau at gmail.com
Fri Aug 19 22:56:22 JST 2011 

Nova appears to be dimmer than last night at about mag 11.7 (115, 118) in
green channel at 11:15, 19 Aug 2011 UT.
http://i727.photobucket.com/albums/ww271/Rob_Kau/NLup201119Aug201111-15UTblank.jpg

Cheers -

Rob Kaufman, KBJ
Bright, Vic, Australia



On Fri, Aug 19, 2011 at 3:34 AM, Josch Hambsch <hambsch at telenet.be> wrote:

>
> Hi,
>
> I had tonight another run on the Nova with CCD. In I filter the mean
> magnitude is about 9.4 mag, about 0.2 mag lower than yesterday. In V filter
> the mean magnitude is about 11.5 similar than yesterday.
> There is some variation of the magnitude over time over a couple of hours
> of
> observation.
>
> Regards,
>
> Josch
>
> http://www.astronomie.be/**hambsch <http://www.astronomie.be/hambsch>
>
>> ----- Original Message ----- From: "Rob Kaufman" <rob.kau at gmail.com>
>> To: "Rod Stubbings" <stubbo at sympac.com.au>; "vsnet-alert" <
>> vsnet-alert at ooruri.kusastro.**kyoto-u.ac.jp<vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>>;
>> <nbrown77 at bigpond.com>; "Mati Morel" <mmorel7 at bigpond.com>; <
>> aavso-discussion at mira.aavso.**org <aavso-discussion at mira.aavso.org>>
>> Sent: Thursday, August 18, 2011 3:02 PM
>> Subject: [vsnet-alert 13594] Re: Nova Lupi 2011
>>
>>
>> Sky partly cleared late tonight (18 Aug) and I obtained a very poor
>>> quality
>>> DSLR image (RGB).  The nova appears to be a similar magnitude to 16 Aug
>>> (~11.3, green channel, 12:15 UT).  With my earlier three images, the nova
>>> appeared roughly the same in R, G & B channels.  Tonight however I notice
>>> for the first time that the red channel appears considerably brighter
>>> than
>>> the green, which is considerably brighter than the blue.  Not much I can
>>> do
>>> without a better image.  Might clear a bit more later.
>>>
>>> Cheers -
>>>
>>> Rob Kaufman, KBJ
>>> Bright, Vic, Australia
>>>
>>> On Tue, Aug 16, 2011 at 9:21 PM, Rob Kaufman <rob.kau at gmail.com> wrote:
>>>
>>> Just got a shot in moonlight & can confirm dramatic decline:
>>>> http://i727.photobucket.com/**albums/ww271/Rob_Kau/**
>>>> NLup201116Aug2011text.jpg<http://i727.photobucket.com/albums/ww271/Rob_Kau/NLup201116Aug2011text.jpg>
>>>>
>>>> (Need longer exposures at this magnitude.)
>>>>
>>>> Nova Lupi 2011        110814.382    95    KBJ (94,97; ptg)
>>>> Nova Lupi 2011        110816.444   113   KBJ (112, 115; AAVSO Chart
>>>> 5224n;
>>>> ptg)
>>>>
>>>> Cheers -
>>>>
>>>> Rob Kaufman
>>>> Bright, Vic, Australia
>>>>
>>>>
>>>>
>>>>  On Tue, Aug 16, 2011 at 7:55 PM, Rod Stubbings <stubbo at sympac.com.au
>>>> >wrote:
>>>>
>>>> **
>>>>> An observation on N Lup 2011 tonight now shows it to have faded by
>>>>> almost
>>>>> 2 magnitudes!
>>>>>
>>>>> N LUP 2011        110811.564   101  Stu.RASNZ
>>>>> N LUP 2011        110812.579   100  Stu.RASNZ
>>>>> N LUP 2011        110814.395    95  Stu.RASNZ
>>>>> N LUP 2011        110816.376   113 Stu.RASNZ
>>>>>
>>>>> Regards,
>>>>> Rod.
>>>>>
>>>>>
>>>>> ______________________________**__
>>>>>
>>>>> Rod Stubbings,
>>>>> Tetoora Observatory,
>>>>> Tetoora Road,
>>>>> Vic, Australia.
>>>>> stubbo at sympac.com.au
>>>>> http://**rodstubbingsobservatory.**wordpress.com/<http://rodstubbingsobservatory.wordpress.com/>
>>>>>
>>>>> ______________________________**___
>>>>>
>>>>>  ----- Original Message -----
>>>>> *From:* Rob Kaufman <rob.kau at gmail.com>
>>>>>  *To:* vsnet-alert <vsnet-alert at ooruri.kusastro.**kyoto-u.ac.jp<vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>
>>>>> >
>>>>> *Cc:* Rod Stubbings <stubbo at sympac.com.au> ; nbrown77 at bigpond.com ;
>>>>> Mati
>>>>> Morel <mmorel7 at bigpond.com> ; aavso-discussion at mira.aavso.**org<aavso-discussion at mira.aavso.org>
>>>>> *Sent:* Tuesday, August 16, 2011 10:47 AM
>>>>> *Subject:* Re: [vsnet-alert 13587] Re: Nova Lupi 2011
>>>>>
>>>>> Here's a link to a crop of a widefield of the area reported to have
>>>>> been
>>>>> taken in the Netherlands on 20:22, 25 July UT, showing the nova.  Quite
>>>>> fuzzy and crowded and not terribly useful for a magnitude estimate, but
>>>>> it
>>>>> appears to lie between the 104 & 112 comp stars, quite bright.
>>>>> http://tinyurl.com/3cfkngk
>>>>>
>>>>> Thanks for the additional comp stars Mati.
>>>>>
>>>>> Cheers -
>>>>>
>>>>> Rob Kaufman
>>>>> Bright, Vic, Australia
>>>>>
>>>>> On Mon, Aug 15, 2011 at 12:00 AM, <hambsch at telenet.be> wrote:
>>>>>
>>>>> I have been taking time series images last night (V and I filters) and
>>>>>> also saw a severe brightness increase. Had to cut down my exposure
>>>>>> time by
>>>>>> half.
>>>>>> Will take some days to get the data analysed since I am put of town
>>>>>> until
>>>>>> Tuesday evening.
>>>>>>
>>>>>> Josch
>>>>>> ----- Originele e-mail  -----
>>>>>> Van: "Rod Stubbings" <stubbo at sympac.com.au>
>>>>>> Aan: "Rob Kaufman" <rob.kau at gmail.com>, aavso-discussion at mira.aavso.*
>>>>>> *org <aavso-discussion at mira.aavso.org>,
>>>>>> vsnet-alert at ooruri.kusastro.**kyoto-u.ac.jp<vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>
>>>>>> Verzonden: Zondag 14 augustus 2011 14:05:07 GMT +01:00 Amsterdam /
>>>>>> Berlijn / Bern / Rome / Stockholm / Wenen
>>>>>> Onderwerp: [vsnet-alert 13585] Re: Nova Lupi 2011
>>>>>>
>>>>>> I have also been keeping an eye on N Lup and noticed a steady rise and
>>>>>> tonight brighter around 9.5.
>>>>>>
>>>>>> N LUP 2011        110811.564   101  Stu.RASNZ
>>>>>> N LUP 2011        110812.579   100  Stu.RASNZ
>>>>>> N LUP 2011        110814.395    95  Stu.RASNZ
>>>>>>
>>>>>> Regards.
>>>>>> Rod.
>>>>>>
>>>>>> ______________________________**__
>>>>>>
>>>>>> Rod Stubbings,
>>>>>> Tetoora Observatory,
>>>>>> Tetoora Road,
>>>>>> Vic, Australia.
>>>>>> stubbo at sympac.com.au
>>>>>> http://**rodstubbingsobservatory.**wordpress.com/<http://rodstubbingsobservatory.wordpress.com/>
>>>>>>
>>>>>> ______________________________**___
>>>>>> ----- Original Message -----
>>>>>> From: "Rob Kaufman" <rob.kau at gmail.com>
>>>>>> To: <aavso-discussion at mira.aavso.**org<aavso-discussion at mira.aavso.org>
>>>>>> >;
>>>>>> <vsnet-alert at ooruri.kusastro.**kyoto-u.ac.jp<vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>
>>>>>> >
>>>>>> Sent: Sunday, August 14, 2011 8:38 PM
>>>>>> Subject: [vsnet-alert 13584] Nova Lupi 2011
>>>>>>
>>>>>>
>>>>>> > After imaging this nova on 8 Aug at mag 10.3, tonight I had my first
>>>>>> > opportunity to have another 'look' at it.  It has brightened
>>>>>> considerably.
>>>>>> > Image here:
>>>>>> >
>>>>>> http://i727.photobucket.com/**albums/ww271/Rob_Kau/**
>>>>>> NovaLupi201114Aug2011crop.jpg<http://i727.photobucket.com/albums/ww271/Rob_Kau/NovaLupi201114Aug2011crop.jpg>
>>>>>> >
>>>>>> > In generating a chart in AAVSO's VSP, I noticed that the visual
>>>>>> sequence
>>>>>> > is
>>>>>> > pretty wobbly for mags brighter than the discovery mag.  The nova
>>>>>> appears
>>>>>> > to
>>>>>> > be sitting somewhere around midway between the 99 and 84 comp stars
>>>>>> > at
>>>>>> the
>>>>>> > moment (marked on image linked above), a big gap of 1.5 magnitudes.
>>>>>>  Any
>>>>>> > chance of a few more comp stars?  Thanks.
>>>>>> >
>>>>>> > Cheers -
>>>>>> >
>>>>>> > Rob Kaufman
>>>>>> > Bright, Victoria, Australia
>>>>>> >
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>

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