banner1

Home arrow Forum arrow Everything Space Astronomy Clubs and Events Ask an Astronomer Outbreak of comet Holmes
Main Menu
Home
News
Links
Wiki
Search
Administrator
FAQ
Contact Us
Science Books
Register
Online Store
Science on the Web
Store - beta
Project Fork
Feature Sections
Encyclopedia Astronuc
ID Watch
Community Menu
Forum
Chat Room
Einstein@Home
Member Blogs
CB
CB User List
Login Form
Welcome, Guest. Please login or register.
Did you miss your activation email?
December 01, 2008, 09:21:42 AM
Username: Password:
Login with username, password and session length

Password reminder
Newsflash
Everything Science Forum
December 01, 2008, 09:21:42 AM *
Welcome, Guest. Please login or register.
Did you miss your activation email?

Login with username, password and session length
 
   Home   Help Search Calendar Login Register  
Pages: [1]   Go Down
  Print  
Author Topic: Outbreak of comet Holmes  (Read 4598 times)
remcook
Global Moderator
Hero Member
*****
Offline Offline

Posts: 4338


hopeless ES addict


WWW
« on: October 25, 2007, 09:33:40 AM »

For those of you watching the night skies: this comet is very bright now apparently: http://www.aerith.net/comet/catalog/0017P/2007.html
and that came quite suddenly.
see also www.spaceweather.com
Qazaq2003
Global Moderator
Full Member
*****
Offline Offline

Posts: 395


Laissez le bon temps rouler!


« Reply #1 on: October 25, 2007, 11:04:39 PM »

It has been forever since I have posted here, but right now I am getting an awesome view of Comet Holmes. It is definately the brightest comet since Hale-Bopp way back in 1997. I estimate the magnitude of Comet Holmes between 2 and 2.5, with a definate yellowish glow. Pretty amazing that it is so easily visible despite combined light pollution and moonlight.
PS, I know Comet McNaught was actually the brightest since Hale-Bopp, but I didn't count that one because I didn't get to see it.
Astronuc
Recalcitrant Heathen
Administrator
Hero Member
*****
Offline Offline

Gender: Male
Posts: 5781


Celestial Wanderer - Temporal Guardian


WWW
« Reply #2 on: October 28, 2007, 05:33:15 PM »

http://en.wikipedia.org/wiki/17P/Holmes
Apparently it's still bright and visible in the Constellation Perseus.
Qazaq2003
Global Moderator
Full Member
*****
Offline Offline

Posts: 395


Laissez le bon temps rouler!


« Reply #3 on: October 28, 2007, 08:55:37 PM »

This is night number four of observing Comet Holmes, for me. The comet is definately holding it's own in brightness, despite the ever expanding coma. That tells me that the comet is still spewing large amounts of dust and gases, for now. At least I am getting some really awesome views of the comet w/ my binos, and my telescope. :1thumbup
Fisherman
Newbie
*
Offline Offline

Gender: Male
Posts: 2


« Reply #4 on: November 03, 2007, 05:28:56 PM »

I set up the scope last night in the backyard for a look and quickly figured out binoculars and a long lens on a camera did a pretty nice job as well.
Astronuc
Recalcitrant Heathen
Administrator
Hero Member
*****
Offline Offline

Gender: Male
Posts: 5781


Celestial Wanderer - Temporal Guardian


WWW
« Reply #5 on: November 03, 2007, 06:51:09 PM »

Fisherman, very cool!  :1thumbup
What was the exposure time?
What kind of lense?  And is that camera a DSLR?
Qazaq2003
Global Moderator
Full Member
*****
Offline Offline

Posts: 395


Laissez le bon temps rouler!


« Reply #6 on: November 03, 2007, 07:03:33 PM »

I set up the scope last night in the backyard for a look and quickly figured out binoculars and a long lens on a camera did a pretty nice job as well.
Awesome picture, man. Just like Astronuc, I am curious as to what type of equipment you have used to get this awesome shot of Comet Holmes.
Fisherman
Newbie
*
Offline Offline

Gender: Male
Posts: 2


« Reply #7 on: November 03, 2007, 07:08:24 PM »

Hello Astronuc, Thanks for the compliment. I used a Canon 20D with a 100-400 zoom at 400 mm, exposure was 5 seconds at f 5.6. I used Photo Shop to bring out the stars for more contrast. Yes, it is a DSLR. I had it set up on a tripod of course but the unique "accident" was that the movement from settling was just right so as to not get tails. (I took many photos; this was the best one of the bunch.) I may try to hook this up to my Meade 200 LX since I have a camera mount for it. (Strapped on the top and balanced with counterweight.)
Astronuc
Recalcitrant Heathen
Administrator
Hero Member
*****
Offline Offline

Gender: Male
Posts: 5781


Celestial Wanderer - Temporal Guardian


WWW
« Reply #8 on: November 03, 2007, 07:41:56 PM »

Cool!  Fisherman, thanks for the information on the camera.  I'm looking at DSLRs and I'm partial to Canon.  I've had an F1 since 1973, but I haven't shot film in so long.  I now use a Kodak DX6490, but that's very limited.  A friend has a Nikon with a 100-400 Zoom, so I'm looking for something equivalent in a Canon.
That's a nice exposure for 5 s.  Wow!
 :koala
Qazaq2003
Global Moderator
Full Member
*****
Offline Offline

Posts: 395


Laissez le bon temps rouler!


« Reply #9 on: November 16, 2007, 09:20:26 PM »

The coma of Comet Holmes is now larger than the sun. However, the comet is still visible to the unaided eye, even from modest cities, although w/ slight difficulty, but from more rural locales, much more striking. For more info, go here, www.skyandtelescope.com. I have been getting great views of Comet Holmes thru my scope in rural north MS for the past week. Now I am back in N.O., and have to settle for seeing the comet in light polluted skies, (BOO, HISS!),but will be keeping tabs on Comet Holmes for whatever how long the show lasts. At least I was able to get great views of Comet Holmes that I won't forget about anytime soon.
Pages: [1]   Go Up
  Print  
 
 

Powered by MySQL Powered by PHP Powered by SMF 2.0 Beta 3.1 Public | SMF © 2006–2008, Simple Machines LLC Valid XHTML 1.0! Valid CSS!
Page created in 0.18 seconds with 23 queries.

Valid XHTML 1.0!


Mambo is Free Software released under the GNU/GPL License.