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

Two comets in one picture

  • Please log in to reply
11 replies to this topic

#1 CygnuS

CygnuS

    Apollo

  • -----
  • topic starter
  • Posts: 1,420
  • Joined: 11 Jul 2011
  • Loc: The Great Rift

Posted 05 December 2019 - 12:11 PM

I was surprised to see two comets in one image when I opened January's Sky & T. It can be found on page 76 and was taken on Sept 8, 2019 by Gerald Rhemann. I have never seen this before and it makes me wonder how rare it is. The magnitude wasn't given but I'm suspecting they were too dim to be seen with a telescope (or at least my 10 inch). Has anybody here ever seen two comets in an eyepiece before?


  • retroman2, Defenderslideguitar and Astroman007 like this

#2 einarin

einarin

    Vanguard

  • *****
  • Posts: 2,086
  • Joined: 23 Dec 2016

Posted 05 December 2019 - 01:20 PM

It is quite rare.

I remember only few and they were quite faint.

Here's one I remember:
https://apod.nasa.go...d/ap171002.html


  • Dave Mitsky and mbrio76 like this

#3 SonnyE

SonnyE

    Apollo

  • -----
  • Posts: 1,234
  • Joined: 01 Nov 2015
  • Loc: Cali for ni a

Posted 05 December 2019 - 02:38 PM

Nope, never saw that before.

But in einarin's link I could only make out the one in the middle.

Oh! I found it, the green glob around 9 o'clock?

 

In the vastness of Space, I wouldn't be surprised if two at once couldn't be found though.

 

I was able to catch the Comet Catalina as it was disappearing.

Stellarium helped me get onto it, and my Orion G3 captured it.

Video's made from series of stills.

 

The Comet Catalina 02-06-16

The Comet Catalina 02-17-16


Edited by SonnyE, 05 December 2019 - 02:44 PM.


#4 *skyguy*

*skyguy*

    Soyuz

  • *****
  • Posts: 3,616
  • Joined: 31 Dec 2008
  • Loc: Western New York

Posted 05 December 2019 - 04:22 PM

I've never observed two comets, together in a telescope eyepiece. The closest I've ever gotten is imaging two pieces of comet Schwassmann-Wachmann after it disintegrated. The attached image has a FOV of 18x36 arc-minutes and the pieces have a separation of about 30 arc-minutes (taken on 3/30/06). That's close enough to be seen together in an telescope, but they probably were too faint to be visually observed. 

 

Edit: Actually, fragment 73P-B S-W was about 10th. magnitude and should have been an easy target at the time this image was taken. So, maybe fragment 73P-G might also have been visible in a large scope.

 

Schwassmann_Wachmann_033006.jpg


Edited by *skyguy*, 05 December 2019 - 10:36 PM.

  • Dave Mitsky, happylimpet, mbrio76 and 1 other like this

#5 Aquarellia

Aquarellia

    Gemini

  • *****
  • Posts: 3,076
  • Joined: 27 Oct 2012
  • Loc: Artignosc, Provence, France

Posted 06 December 2019 - 12:24 AM

Sure, have a look here, that was last september : https://www.cloudyni...the-same-field/ within a 30' field

 

Michel


  • Dave Mitsky, Special Ed and Zorbathegeek like this

#6 happylimpet

happylimpet

    Skylab

  • *****
  • Posts: 4,211
  • Joined: 29 Sep 2013
  • Loc: Southampton, UK

Posted 06 December 2019 - 05:23 AM

I made a movie of it over about 5 hours too.  should speed it up a bit I think.

 

https://vimeo.com/ma...3941644/general



#7 Aquarellia

Aquarellia

    Gemini

  • *****
  • Posts: 3,076
  • Joined: 27 Oct 2012
  • Loc: Artignosc, Provence, France

Posted 06 December 2019 - 05:40 AM

I made a movie of it over about 5 hours too.  should speed it up a bit I think.

 

https://vimeo.com/ma...3941644/general

so sad I have no access to Vimeo... they ask me 6$ per month

Michel



#8 Tapio

Tapio

    Vanguard

  • -----
  • Posts: 2,299
  • Joined: 24 Sep 2006
  • Loc: Tampere, Finland

Posted 06 December 2019 - 05:45 AM

Sometching wrong there. Videos should be available for everyone.

#9 happylimpet

happylimpet

    Skylab

  • *****
  • Posts: 4,211
  • Joined: 29 Sep 2013
  • Loc: Southampton, UK

Posted 06 December 2019 - 05:50 AM

so sad I have no access to Vimeo... they ask me 6$ per month

Michel

Yes, definitiley free! I dont pay for anything online!



#10 Rich (RLTYS)

Rich (RLTYS)

    Fly Me to the Moon

  • *****
  • Posts: 6,968
  • Joined: 18 Dec 2004
  • Loc: Mayo (Maryland)

Posted 06 December 2019 - 07:58 AM

Imaging two comets in the same FOV dosen't happen very often but it does happen.

Attached Thumbnails

  • Dueling Comets 10-23-12 CI2wf.png

  • Dave Mitsky, Special Ed, eros312 and 3 others like this

#11 CygnuS

CygnuS

    Apollo

  • -----
  • topic starter
  • Posts: 1,420
  • Joined: 11 Jul 2011
  • Loc: The Great Rift

Posted 06 December 2019 - 12:19 PM

Thanks for the responses. Hopefully that is something I will get to see visually someday. There is a 30 inch telescope not too far away (Pennsylvania Oil Region Astronomical Society) and if there is ever any notice something like that will happen in the future it would be an amazing sight, regardless of how dim one or both are. 



#12 Rich (RLTYS)

Rich (RLTYS)

    Fly Me to the Moon

  • *****
  • Posts: 6,968
  • Joined: 18 Dec 2004
  • Loc: Mayo (Maryland)

Posted 14 December 2019 - 02:15 PM

What ever scope you use you'd need a rather wide FOV. It would be cool to see.




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