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Search: Posts Made By: Rob_K
Forum: Radio Astronomy and Spectroscopy 28-07-2014, 09:32 PM
Replies: 32
Views: 1,034
Posted By Rob_K
Got another low-res spectrum of Eta Carinae...

Got another low-res spectrum of Eta Carinae tonight, a real battle against cloud banks both drifting through and making-&-breaking. Spectrum from 22 July (top) included, both presented as bars at...
Forum: Radio Astronomy and Spectroscopy 25-07-2014, 12:39 PM
Replies: 32
Views: 1,034
Posted By Rob_K
Here's the full-resolution with three Eta Car...

Here's the full-resolution with three Eta Car spectra and some stronger emission lines marked. Not sure if identification is 100% correct (should HeI be HeII?). I used a pretty old paper,...
Forum: Radio Astronomy and Spectroscopy 23-07-2014, 02:49 PM
Replies: 32
Views: 1,034
Posted By Rob_K
Hi Bo - I've done the full graphic, attached. It...

Hi Bo - I've done the full graphic, attached. It has the visible hydrogen emission lines marked, hope that helps. :thumbsup:

The other ones were posted just to give an idea of the detail (real &...
Forum: Radio Astronomy and Spectroscopy 22-07-2014, 11:16 PM
Replies: 32
Views: 1,034
Posted By Rob_K
Finally getting some clear sky and I obtained...

Finally getting some clear sky and I obtained another low-res spectrum of Eta Carinae tonight. I haven't done anything other than create the bar yet but I thought I'd post this image which has the...
Forum: Star Parties, Club and Community Events 21-07-2014, 02:33 PM
Replies: 85
Views: 3,436
Posted By Rob_K
Some more shots from the weekend: - Awards...

Some more shots from the weekend:
- Awards dinner on Saturday night;
- The John Bolton Lecture on Saturday, by Prof Warren Crouch: "The AAO at 40";
- Daytime viewing at The Dish on Sunday,...
Forum: Star Parties, Club and Community Events 20-07-2014, 09:22 PM
Replies: 85
Views: 3,436
Posted By Rob_K
I should add my thanks to CWAS for putting on a...

I should add my thanks to CWAS for putting on a great weekend, with a special thanks to John Sarkissian for the amazing effort he put into organising and co-ordinating events.

My first time at the...
Forum: Star Parties, Club and Community Events 20-07-2014, 09:04 PM
Replies: 85
Views: 3,436
Posted By Rob_K
Some photos from Parkes: - Paul Haese with loot...

Some photos from Parkes:
- Paul Haese with loot ;) ;
- Category winners with overall winner Paul Haese: David Malin in blue shirt;
- All winners that were in attendance on the night;
- Opening of...
Forum: Beginners Talk 07-07-2014, 04:14 PM
Replies: 19
Views: 425
Posted By Rob_K
Hehe, I remember one Snake Valley camp that I...

Hehe, I remember one Snake Valley camp that I took a webcam to: I put Saturn in the field of view and WOW it was like I'd never seen it before! Then I overheard a grumpy group of planetary imagers...
Forum: Beginners Talk 07-07-2014, 04:06 PM
Replies: 19
Views: 425
Posted By Rob_K
LOL! :thumbsup: :lol:

LOL! :thumbsup: :lol:
Forum: Beginners Talk 07-07-2014, 03:25 PM
Replies: 19
Views: 425
Posted By Rob_K
All relative I suppose. Here the worst seeing is...

All relative I suppose. Here the worst seeing is when Saturn is being ripped apart, bad seeing is when it's a shimmering blob & you can vaguely make the ring out, fair seeing is when you can see the...
Forum: Radio Astronomy and Spectroscopy 06-07-2014, 12:40 AM
Replies: 3
Views: 155
Posted By Rob_K
Thanks Terry. A lot of possibilities open up...

Thanks Terry. A lot of possibilities open up with a slit and better gear. In panel A of the attachment, aligning the slit along the comet tail and (presumably?) guiding on the bright comet 'head'...
Forum: Radio Astronomy and Spectroscopy 06-07-2014, 12:08 AM
Replies: 1
Views: 71
Posted By Rob_K
Excellent job Terry! :thumbsup: Cheers -

Excellent job Terry! :thumbsup:

Cheers -
Forum: Astronomy and Amateur Science 03-07-2014, 12:27 PM
Replies: 14
Views: 317
Posted By Rob_K
Don't know what's more important, the ton-up or...

Don't know what's more important, the ton-up or the not out! ;) Congratulations on both, who knows what amazing and significant discoveries lie ahead for you all. :thumbsup:

Cheers -
Forum: Radio Astronomy and Spectroscopy 30-06-2014, 09:55 PM
Replies: 3
Views: 155
Posted By Rob_K
Rainy day, revisiting C/2011 L4

Been looking at some of Christian Buil's amazing hi-res comet spectroscopy, particularly spectra of comae etc.
http://www.astrosurf.com/buil/us/spe8/comet.htm
And I wondered what might be further...
Forum: Astronomy Books and Media 30-06-2014, 02:15 PM
Replies: 20
Views: 661
Posted By Rob_K
Please provide documentation of this Zaps. ...

Please provide documentation of this Zaps. Especially documentation of "zero awareness" within First People's cultures.

Cheers -
Forum: Radio Astronomy and Spectroscopy 28-06-2014, 12:06 PM
Replies: 32
Views: 1,034
Posted By Rob_K
That's a brainbanger Al, maybe it might look like...

That's a brainbanger Al, maybe it might look like the little pink-orange dot on the LHS of the spear of the spectrum at bottom? If the spectrum is the dot broken up into its component colours, then...
Forum: Radio Astronomy and Spectroscopy 27-06-2014, 10:37 PM
Replies: 32
Views: 1,034
Posted By Rob_K
Can't believe it's six months since my last EC...

Can't believe it's six months since my last EC spectrum! I could try to blame the weather (miserable for months) but despite the best of intentions I reckon it comes down to hopeless organisation......
Forum: Beginners Equipment Discussions 26-06-2014, 09:34 PM
Replies: 33
Views: 729
Posted By Rob_K
Just a note of caution about buying eyepieces for...

Just a note of caution about buying eyepieces for this scope. I have the scope, purchased on special from Australian Geographic a couple of years ago. It was supposed to come with plossls but on...
Forum: Observational and Visual Astronomy 24-06-2014, 12:13 PM
Replies: 5
Views: 160
Posted By Rob_K
I tend to agree with Alex here. I was given a...

I tend to agree with Alex here. I was given a sketch pad with grey textured paper. Sketches look fine to the eye but scanning emphasises the texture, to a point where the sketch is practically...
Forum: Observation Reports 20-06-2014, 10:58 AM
Replies: 6
Views: 156
Posted By Rob_K
Cheers Kevin. They're tough things but I'm...

Cheers Kevin. They're tough things but I'm starting to be swayed that comet sketches might be valuable things to do. Every comet is different through the eyepiece (& different eyepieces & scopes &...
Forum: Observation Reports 18-06-2014, 10:55 PM
Replies: 6
Views: 156
Posted By Rob_K
Thanks guys. :thumbsup: I'm still...

Thanks guys. :thumbsup:



I'm still working on it Alex! In the cold light of day I think I could have emphasised the coma brightness a touch in respect to the tail because it was clearly...
Forum: Observation Reports 18-06-2014, 01:26 AM
Replies: 6
Views: 156
Posted By Rob_K
Obs & sketch of C/2012 K1, 17 June 2014

Rare clear sky this evening (before the fog came in!). This is a nice looking comet, low in the NNW after twilight.

C/2012 K1 (PANSTARRS) 2014 Jun 17.36 UT; m1=8.6; Dia= 3 DC= 4; 11.2cm L, f8,...
Forum: General Chat 17-06-2014, 12:07 PM
Replies: 17
Views: 445
Posted By Rob_K
I would kill to die on a one-way trip to Mars.

I would kill to die on a one-way trip to Mars.
Forum: Beginners Equipment Discussions 16-06-2014, 11:15 AM
Replies: 60
Views: 1,801
Posted By Rob_K
I think a lot of you guys equate/confuse...

I think a lot of you guys equate/confuse astrophotography with technical perfection. The same way many visual observers equate/confuse observing with aperture. Astrophotography, like visual...
Forum: General Chat 15-06-2014, 10:32 PM
Replies: 23
Views: 2,184
Posted By Rob_K
Sad news Andrew, a legend of Australian (and...

Sad news Andrew, a legend of Australian (and world!) amateur astronomy. Such are the advances in amateur astronomy that you can say with absolute certainty that there'll never ever be another like...
Showing results 1 to 25 of 500

 
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