Go Back   IceInSpace > General Astronomy > Observational and Visual Astronomy
Register FAQ Calendar Today's Posts Search

Reply
 
Thread Tools Rate Thread
  #1  
Old 15-05-2010, 08:23 AM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
C/2009 R1 McNaught

Hi all,
I made out R1 McNaught at mag 8.5 through my 7x50 Bins, diameter of 3'.
It will be slowly sinking into the morning twilight before we lose sight of it, it should be brightening as it does so.
So those with good dark skies now is a good time to get out and have a look!
It doesn't seem to be showing any tail yet, it will be a bright fuzzy patch through a telescope but still dim through bins.

Cheers!
Reply With Quote
  #2  
Old 16-05-2010, 08:28 AM
Liz's Avatar
Liz
Registered User

Liz is offline
 
Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Wow, mag 8.5!!
Havent had a chance to try yet, have had clouds the last few days, maybe tomorrow.
Looks like it will be tricky trying to catch it, when it brightens.
Reply With Quote
  #3  
Old 17-05-2010, 08:06 AM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
I had it at mag 8.0, dia of 9.5', DC of 4 on Sunday morning. No tail.
Reply With Quote
  #4  
Old 17-05-2010, 11:25 AM
Liz's Avatar
Liz
Registered User

Liz is offline
 
Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Quote:
Originally Posted by Outbackmanyep View Post
I had it at mag 8.0, dia of 9.5', DC of 4 on Sunday morning. No tail.
Yeah Chris!!
Alas, looks like the whole East coast is under cloud.

http://www.skippysky.com.au/Australia/
Reply With Quote
  #5  
Old 17-05-2010, 04:11 PM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Quote:
Originally Posted by Liz View Post
Yeah Chris!!
Alas, looks like the whole East coast is under cloud.

http://www.skippysky.com.au/Australia/

Hi Liz,
Thats a bugger that cloud, but it should go away soon, just in time to catch it!
I hope you get a positive result from your search for it soon!

Cheers!
Reply With Quote
  #6  
Old 19-05-2010, 06:15 AM
Liz's Avatar
Liz
Registered User

Liz is offline
 
Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Had a go before work this am - tried with binoculars first, but no luck, so set the scope up. Skies beautifully clear, and the temp a chilly 16 dg.
Alas, not a lot of time left after setting up scope, so didnt find it, try again tomorrow am.
Reply With Quote
  #7  
Old 19-05-2010, 10:01 AM
astroron's Avatar
astroron (Ron)
Supernova Searcher

astroron is offline
 
Join Date: Mar 2005
Location: Cambroon Queensland Australia
Posts: 9,315
Up at 04:00 this morning, the only thing I could see was Clouds /mist from one horizon to the other Back to my warm bed outside Temp 4.5C
Try again tomorrow
I missed the last early morning Comet the way things are going I am going along the same path to miss this one
Reply With Quote
  #8  
Old 19-05-2010, 12:33 PM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Quote:
Originally Posted by Liz View Post
Had a go before work this am - tried with binoculars first, but no luck, so set the scope up. Skies beautifully clear, and the temp a chilly 16 dg.
Alas, not a lot of time left after setting up scope, so didnt find it, try again tomorrow am.
Hi Liz,
I reckon if you put in your lowest power eyepiece, and go to Chi (x)Pegasi and pan down to the horizon i'm sure you'll find it as a bright hazy spot with a tight bright central condensation (like a small globular) but not stellar.
Chi is located just below Gamma.
I hope you find it!
Reply With Quote
  #9  
Old 19-05-2010, 12:51 PM
Rob_K
Registered User

Rob_K is offline
 
Join Date: Oct 2006
Location: Bright, Vic, Australia
Posts: 2,165
Quote:
Originally Posted by Liz View Post
.... and the temp a chilly 16 dg.
Gee Liz, I'm out in the crunchy frost at minus something!!!

Good luck with it, I'll be out with binocs & camera tomorrow morning, sky willing! Attached is the view from your place tomorrow morning, generated in Starry Night.

Cheers -
Attached Thumbnails
Click for full-size image (R1 townsville.jpg)
105.4 KB88 views
Reply With Quote
  #10  
Old 19-05-2010, 06:49 PM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Our mission is to help Liz track down a bright comet!

Liz....whats your limiting magnitude like up there in Maroon land where you are?
Reply With Quote
  #11  
Old 19-05-2010, 08:52 PM
Liz's Avatar
Liz
Registered User

Liz is offline
 
Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Quote:
Originally Posted by Outbackmanyep View Post
Hi Liz,
I reckon if you put in your lowest power eyepiece, and go to Chi (x)Pegasi and pan down to the horizon i'm sure you'll find it as a bright hazy spot with a tight bright central condensation (like a small globular) but not stellar.
Chi is located just below Gamma.
I hope you find it!
Thanks Chris .... I reckon I was looking around the Chi area, but will give it another go, and perhaps not rush it so much around there.

Quote:
Originally Posted by Rob_K View Post
Gee Liz, I'm out in the crunchy frost at minus something!!!

Good luck with it, I'll be out with binocs & camera tomorrow morning, sky willing! Attached is the view from your place tomorrow morning, generated in Starry Night.


Cheers -
Thanks Rob, yes, I think there are a few crunchy areas around by the sounds.

Quote:
Originally Posted by Outbackmanyep View Post
Our mission is to help Liz track down a bright comet!

Liz....whats your limiting magnitude like up there in Maroon land where you are?
Sounds like a good mission.
Actually, I am pretty lucky, and live north of Townsville city, so fairly dark to the North.
Reply With Quote
  #12  
Old 20-05-2010, 05:58 AM
Liz's Avatar
Liz
Registered User

Liz is offline
 
Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Well, had another go this am - beautiful clear skies again, temp 14, and humidity 92%!!
Alas, still eluding me. Tried my a Vixen 40mm (not a great EP), then a 25mm Super Plossl, then my 14mm wide field. Concentrated around Chi and the star under it, but also around the general area. Did see a satellite and a meteor through the Ep!!
Ok, try again tomorrow, hoping weather holds out.
Thanks guys
Good luck too Ron.
Reply With Quote
  #13  
Old 20-05-2010, 06:06 AM
Rob_K
Registered User

Rob_K is offline
 
Join Date: Oct 2006
Location: Bright, Vic, Australia
Posts: 2,165
Quote:
Originally Posted by Liz View Post
Well, had another go this am - beautiful clear skies again, temp 14, and humidity 92%!!
Alas, still eluding me. Tried my a Vixen 40mm (not a great EP), then a 25mm Super Plossl, then my 14mm wide field. Concentrated around Chi and the star under it, but also around the general area. Did see a satellite and a meteor through the Ep!!
Ok, try again tomorrow, hoping weather holds out.
Thanks guys
Good luck too Ron.
You're going to have to look harder Liz!

No luck here either, not a shot fired in anger! Got out at 4:50am, but Gamma Pegasi was barely visible and Chi not at all due to mist. Got worse from there, Gamma disappeared altogether and even Jupiter dimmed right off. Of course it was clear as a bell in the SW, but hey, that's astronomy!

PS: Crispy frost, makes ya feel alive!

Cheers -
Reply With Quote
  #14  
Old 20-05-2010, 10:16 AM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Keep trying Liz!
It will be there! Fuzzy spot .....remember!
It will move lower and lower pretty much in a straight line from Chi Peg.

My obs this morning
C/2009 R1 McNaught
2009 May 19.79 UT; m1= 7.5; Dia= 7.5'; DC= 5/6; 7x50B
No tail, central condensation a little more pronounced.
Comp Star= TYC 1180-226-1; Method= S; Cat= TJ
Reply With Quote
  #15  
Old 20-05-2010, 06:03 PM
Liz's Avatar
Liz
Registered User

Liz is offline
 
Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Aah, very embarassing ..... was looking at the wrong area of the Pegasus square stupido ...... realised after studying Robs chart. Thought I was in the Chi area, but certainly wasnt, was looking at stars 66 and 70 area near Jupiter. Now I WILL find it, alas, clouds have returned ... butwill get it in the next few days.

ps ... thank you for those charts Chris.
Reply With Quote
  #16  
Old 20-05-2010, 08:50 PM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Hi Liz,
Im glad we have at last got you on the right path, i'm sure you'll find it ok!
From your latitude R1 will appear to slide to the horizon on an angle, from my latitude it goes almost straight down!

Good luck!

PS.....Bugger off clouds!!!!!!!
Reply With Quote
  #17  
Old 21-05-2010, 12:47 PM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Rob_K imaged the comet this morning and it's sporting a faint tail, he says about 10' long.
Considering the coma diameter is around 9' the tail is probably 3 times that!

Cheers!
Reply With Quote
  #18  
Old 21-05-2010, 02:00 PM
mithrandir's Avatar
mithrandir (Andrew)
Registered User

mithrandir is offline
 
Join Date: Jan 2009
Location: Glenhaven
Posts: 4,161
See http://www.iceinspace.com.au/forum/s...38&postcount=5 for the latest ssystem.ini data for C/2009 R1 and 81P/Wild 2
Reply With Quote
  #19  
Old 21-05-2010, 03:02 PM
Rob_K
Registered User

Rob_K is offline
 
Join Date: Oct 2006
Location: Bright, Vic, Australia
Posts: 2,165
Quote:
Originally Posted by Outbackmanyep View Post
Rob_K imaged the comet this morning and it's sporting a faint tail, he says about 10' long.
Considering the coma diameter is around 9' the tail is probably 3 times that!

Cheers!
Here's the links - hope the PA's right as I measured it anticlockwise from N because it's in the celestial sphere (ie the tail's pointing roughly westerly)...

http://i727.photobucket.com/albums/w...0May10text.jpg
http://i727.photobucket.com/albums/w...egcroptext.jpg

Nice pre-dawn skies this morning, but after madly imaging for as long as I could I went back inside for binoculars and came out to find the dawn light was washing things out badly. Missed the visual but happy with the shots, rough as they are!

Hope Ron & Liz do better!!

Cheers -
Reply With Quote
  #20  
Old 21-05-2010, 04:36 PM
Outbackmanyep's Avatar
Outbackmanyep
Registered User

Outbackmanyep is offline
 
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Interesting to note that my obs from 13th May:

2010 May 13.78 UT; m1= 8.0; Dia= 5.1’; DC= 4/5; 25cm L, f:5 (x39)
Coma bright, slightly elongated to WSW (seems broad at x83), faint outer coma edges gradually concentrating to centre, central condensation not quite stellar.


Showing the tail was probably developed way back then but too faint to see, the coma was definitely elongated in the approximate direction that the pics now show....i might have a look at the JPL orbit simulator and see what the prospects are for anti tail formation.
Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +10. The time is now 09:26 PM.

Powered by vBulletin Version 3.8.7 | Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Advertisement
Testar
Advertisement
Bintel
Advertisement