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A new brillant star in Perseus

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#1 Aquarellia

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Posted 30 April 2018 - 02:28 AM

This possible nova, is probably the known variable star V392 Per.

The previous visual range for V392 PER was 14.1 - 16.9, but tonight my visual estimation was 6.2 !!!

What an outburst!

 

V0392-Per-compil_l.jpg

 

As stated in the Observational Astrophysics forum by BrooksObs "If indeed this is a nova identical with V392 Per, this would probably be an event unique in the annals of variable star astronomy, as I cannot recall its like."

 

More information here : https://www.aavso.or...eruption-62-mag

 

Clear sky to you all

 

Michel

 


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#2 Sheliak_sp

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Posted 30 April 2018 - 03:08 AM

Great!!! I hope this night the clouds have gone... Thanks a lot for posting this!

 

Migue



#3 Aquarellia

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Posted 30 April 2018 - 03:14 AM

I keep my finger cross for you Migue.

Last news here : http://www.astronome...org/?read=11588

Michel



#4 iainp

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Posted 30 April 2018 - 05:12 PM

Fascinating! Thanks for this,

Iain 



#5 AstroCatinfo

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Posted 01 May 2018 - 04:59 AM

Any further information about it?



#6 Aquarellia

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Posted 01 May 2018 - 05:23 AM

Any further information about it?

All what I know comes from this link :

https://www.aavso.or...eruption-62-mag

 

Here's a AAVSO curve where I define the 10 last years of observations

aavso10y.png

 

Today the magnitude was droping around +7.2 .

I read that the spectrum is very special too.

 

Michel



#7 earlyriser

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Posted 01 May 2018 - 05:55 AM

Another link:

 

http://www.popastro....ova-in-perseus/

 

Looks like it is fading fast.


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#8 Aquarellia

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Posted 02 May 2018 - 03:44 AM

Thank you "Early" you'r right.

Today the AAVSO curve gives +8, a straight forward function. I hope to have another hole between the european clouds this evening.

Michel



#9 niteskystargazer

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Posted 02 May 2018 - 02:00 PM

Michel,

 

Nice catch, (A new brillant star in Perseus) smile.gif .

 

CS,KLU,

 

thanx.gif ,

 

Tom



#10 Aquarellia

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Posted 05 May 2018 - 12:50 AM

Thank you Tom.

Some news about this strange star:

April 5th 19:52 UTC, my estimation was 8.9, the decline looks more slow.

But from my observatory the estimation is now difficult, this star is too close to a tree, so I think I will cut partially this poor tree tomorrow... 
Michel



#11 stanislas-jean

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Posted 05 May 2018 - 04:55 AM

Don't cut the tree Michel, it is needed for pleasure of your owns and the alert was settled.

Now this is an event I have to perform.

Transparent sky we have here now but with seeing not confidential, will try.

Good skies to you.

Stanislas-Jean



#12 Special Ed

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Posted 05 May 2018 - 07:20 AM

Thanks for the updates, Michel.  This article was in the weekly newsletter from Sky & Telescope ​for those of us who don't know much about variable stars.

 

Sadly, Perseus is too low behind the 1326 meter mountain to my northwest for me to try for it.



#13 Aquarellia

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Posted 05 May 2018 - 10:02 AM

Don't cut the tree Michel, it is needed for pleasure of your owns and the alert was settled.

Now this is an event I have to perform.

Transparent sky we have here now but with seeing not confidential, will try.

Good skies to you.

Stanislas-Jean

Too late, frown.gif but it's just a partial cut, because you'r right, the rest of this tree and some other ones are masking street lights as well...

Michel



#14 Aquarellia

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Posted 05 May 2018 - 10:04 AM

Thanks for the updates, Michel.  This article was in the weekly newsletter from Sky & Telescope ​for those of us who don't know much about variable stars.

 

Sadly, Perseus is too low behind the 1326 meter mountain to my northwest for me to try for it.

You welcome Michael.

Indeed this is another very good article from Bob King.

Michel


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#15 stanislas-jean

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Posted 06 May 2018 - 02:31 AM

At final 2 trees to be shortenned at home.

Stanislas-Jean



#16 flt158

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Posted 06 May 2018 - 08:16 AM

On Friday night the 4th May, I found the nova to have quite a decent orange colour. 

I have no idea whether I will be able to observe it again, as there is a wide tree getting in the way. 

The Perseus  constellation is now moving into the northern sky. bawling.gif 

 

Clear skies to you all from Aubrey.   



#17 Aquarellia

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Posted 06 May 2018 - 08:54 AM

At final 2 trees to be shortenned at home.

Stanislas-Jean

 

 

On Friday night the 4th May, I found the nova to have quite a decent orange colour. 

I have no idea whether I will be able to observe it again, as there is a wide tree getting in the way. 

The Perseus  constellation is now moving into the northern sky. bawling.gif

 

Clear skies to you all from Aubrey.   

It looks that all over the world there is a global tree issue with this nova ! Jedi.gif

Michel


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#18 flt158

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Posted 06 May 2018 - 09:41 AM

Perhaps somebody could produce a sketch when V392 Persei will have the current orange hue. 

That would be rather nice!

 

Aubrey. 



#19 Aquarellia

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Posted 07 May 2018 - 04:15 AM

Perhaps somebody could produce a sketch when V392 Persei will have the current orange hue. 

That would be rather nice!

 

Aubrey. 

Here's your command Aubrey lol.gif.

 

This watercolor shows my last observation, with +8.8 as a visual magnitude estimation.

With more than 100X a light reddish hue is clearly visible.

20180506V0392-Per_l.jpg

 

Michel



#20 earlyriser

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Posted 07 May 2018 - 06:11 AM

On Friday night the 4th May, I found the nova to have quite a decent orange colour. 

I have no idea whether I will be able to observe it again, as there is a wide tree getting in the way. 

The Perseus  constellation is now moving into the northern sky. bawling.gif

 

Clear skies to you all from Aubrey.   

Not to mention the nights keep getting shorter. How much astronomical night do you get in Dublin this time of year? At 39 north, we are down to about 6.5 hours.




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