Jump to content

  •  

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Photo

Outters 1, a likely planetary nebula in Perseus

  • Please log in to reply
6 replies to this topic

#1 astrovienna

astrovienna

    Gemini

  • *****
  • topic starter
  • Posts: 3,371
  • Joined: 04 Dec 2006
  • Loc: The NoVa White Zone

Posted 04 December 2022 - 10:21 PM

Ou 1 (PNG 151.0-00.4) was discovered by Nicolas Outters in 2009 as he reviewed a narrowband image he had taken of NGC 1491 and noticed a faint spot. The object, along with several other PN candidates discovered by amateurs, was described in a 2012 paper which concluded that the object is likely an HII region, but left the ultimate determination to spectroscopic imaging of the potential central star. In a February 2022 note to the HASH database of planetary nebulae, Quentin Parker reported that the 10.4 meter Gran Telescopio Canarias has now done that spectroscopy, and concluded that the OIII and NII signatures and the presence of a blue central star (much too faint to show in my image) indicate that Ou 1 is indeed a PN.

 

https://pbase.com/sk...image/173212498

 

The object clearly has an OIII signature, although it’s very faint and only surrounds the core region. In Ha, it also has a peculiar double tail somewhat reminiscent of HFG 1.

 

Inverted Narrowband Images

 

Full details on capture and processing are with the linked image.

 

Kevin


Edited by astrovienna, 04 December 2022 - 10:23 PM.

  • Ptarmigan, PrestonE, rwstanley and 9 others like this

#2 R Botero

R Botero

    Skylab

  • -----
  • Posts: 4,281
  • Joined: 02 Jan 2009
  • Loc: Kent, England

Posted 05 December 2022 - 05:07 AM

Great result Kevin! :waytogo: And thank you for the update on the confirmation as PN.

 

Roberto



#3 bernhardhubl

bernhardhubl

    Vendor - CCD-Guide

  • -----
  • Vendors
  • Posts: 317
  • Joined: 01 Oct 2010

Posted 05 December 2022 - 12:12 PM

Hello Kevin,

 

Excellent work!

 

best,

Bernhard



#4 Mert

Mert

    Voyager 1

  • *****
  • Posts: 10,107
  • Joined: 31 Aug 2005
  • Loc: Spain, Pamplona

Posted 05 December 2022 - 12:28 PM

That's a fabulous result for a difficult object.
Thanks for sharing all the background information!

#5 astrovienna

astrovienna

    Gemini

  • *****
  • topic starter
  • Posts: 3,371
  • Joined: 04 Dec 2006
  • Loc: The NoVa White Zone

Posted 05 December 2022 - 10:58 PM

Thanks Roberto, Bernhard and Mert.  Ou 1 is certainly obscure, but it's fun to finally see a new object in detail.  More to come!

 

Kevin



#6 outters

outters

    Explorer 1

  • -----
  • Posts: 94
  • Joined: 08 Aug 2015
  • Loc: France

Posted 07 December 2022 - 01:23 PM

Hi Kevin,

It is a good news for me and for this discover ! it was my first discover and was disapointed when Dana tell me that the candidate have not the profile of a planetary nebulae.

Thanks to share this image, a good moment of pleasure for me.


  • R Botero and CharLakeAstro like this

#7 CharLakeAstro

CharLakeAstro

    Surveyor 1

  • *****
  • Posts: 1,612
  • Joined: 12 Jan 2015
  • Loc: At the Lake

Posted 08 December 2022 - 12:17 AM

Congratulations Nicolas!!

 

Hi Kevin,

It is a good news for me and for this discover ! it was my first discover and was disapointed when Dana tell me that the candidate have not the profile of a planetary nebulae.

Thanks to share this image, a good moment of pleasure for me.




CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


Recent Topics






Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics