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Search: Posts Made By: Rob_K
Forum: General Chat 15-08-2014, 12:00 AM
Replies: 40
Views: 626
Posted By Rob_K
Sad mate. I hope there's still a bit of Rumples...

Sad mate. I hope there's still a bit of Rumples left inya! ;) :P :lol:

Coming up for eight years here for me. Knew nothing about forums, thought it was a dating site. :shrug: Never worked out...
Forum: Celestial and Astronomical Events 14-08-2014, 01:16 PM
Replies: 13
Views: 459
Posted By Rob_K
Eek! ;) Mars' actual size when this image was...

Eek! ;) Mars' actual size when this image was taken was a bit over a pixel in diameter. The closest you could see them from SE Aust would be 12-13 arcminutes, if you had dead flat, clear horizons...
Forum: General Chat 13-08-2014, 12:16 PM
Replies: 12
Views: 182
Posted By Rob_K
:question:

:question:
Forum: Beginners Astrophotography 12-08-2014, 11:25 PM
Replies: 23
Views: 317
Posted By Rob_K
Cam, here's a couple I did a while back - click...

Cam, here's a couple I did a while back - click to full size if necessary.

Nice image in OP by the way - well done Dunk! :thumbsup:

Cheers -
Forum: Beginners Astrophotography 12-08-2014, 04:09 PM
Replies: 23
Views: 317
Posted By Rob_K
Here's a graphic of why it is necessary to pass...

Here's a graphic of why it is necessary to pass OIII & Ha when taking images of the EC Nebula. I've used a Star Analyser grating to obtain a spectrum which clearly shows the strong emission of the...
Forum: General Chat 05-08-2014, 10:44 PM
Replies: 21
Views: 680
Posted By Rob_K
A friend of mine rang me from White Cliffs in...

A friend of mine rang me from White Cliffs in far-west NSW about this one. He described it as a bright star-like object (brighter than Venus) rising slowly from the western horizon, then gradually...
Forum: Radio Astronomy and Spectroscopy 05-08-2014, 12:05 PM
Replies: 37
Views: 1,310
Posted By Rob_K
News on Eta Car: ...

News on Eta Car:
http://www.astronomerstelegram.org/?read=6368

HST/STIS/CCD spectra from U.T. July 13 and July 30:
http://etacar.umn.edu/download/Eta2014/SpecJul13-Jul30.jpg

AAVSO light curve...
Forum: Radio Astronomy and Spectroscopy 04-08-2014, 11:37 PM
Replies: 37
Views: 1,310
Posted By Rob_K
My low-res spectrum of Eta Car from tonight,...

My low-res spectrum of Eta Car from tonight, following a couple of unusable spectra from previous two nights. Bar at original size is here (click to enlarge if necessary, 3193 px wide):...
Forum: Celestial and Astronomical Events 04-08-2014, 09:30 PM
Replies: 93
Views: 2,110
Posted By Rob_K
Wow, how good was that! So much better actually...

Wow, how good was that! So much better actually watching it than trying to photograph it! ;) The dark half of the First Quarter Moon was brighter than the background sky so you could see it...
Forum: Radio Astronomy and Spectroscopy 03-08-2014, 11:45 PM
Replies: 2
Views: 146
Posted By Rob_K
Thanks Malc - that was my thought too and tonight...

Thanks Malc - that was my thought too and tonight I think I tracked down the culprit. While the star is considerably dimmer than EC and at its brightness there would be little at the red end with a...
Forum: Radio Astronomy and Spectroscopy 02-08-2014, 10:16 PM
Replies: 2
Views: 146
Posted By Rob_K
Question about Eta Car spectrum, 02 Aug 2014

Clear night tonight with moonlight not a huge influence. I took another low-res spectrum of Eta Car using Canon 650D, 200mm lens and SA100 grating, stacking 27 exposures.

There is something that...
Forum: Radio Astronomy and Spectroscopy 01-08-2014, 04:50 PM
Replies: 37
Views: 1,310
Posted By Rob_K
Eek! The hills all around the town I live in are...

Eek! The hills all around the town I live in are dusted with snow, hope that's as close as it gets! :)

About the 5.5 years, it's not guaranteed Jon. It would be dreadful if you missed out on...
Forum: Radio Astronomy and Spectroscopy 01-08-2014, 02:54 PM
Replies: 37
Views: 1,310
Posted By Rob_K
Good stuff Terry, hope you keep posting them!...

Good stuff Terry, hope you keep posting them! :thumbsup: Rain's continuing here but might be a break over the next few days.

As a matter of interest I prepared a comparison graphic between your...
Forum: Radio Astronomy and Spectroscopy 28-07-2014, 09:32 PM
Replies: 37
Views: 1,310
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: 37
Views: 1,310
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: 37
Views: 1,310
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: 37
Views: 1,310
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: 3,642
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: 3,642
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: 3,642
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: 483
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: 483
Posted By Rob_K
LOL! :thumbsup: :lol:

LOL! :thumbsup: :lol:
Forum: Beginners Talk 07-07-2014, 03:25 PM
Replies: 19
Views: 483
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: 201
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: 112
Posted By Rob_K
Excellent job Terry! :thumbsup: Cheers -

Excellent job Terry! :thumbsup:

Cheers -
Showing results 1 to 25 of 500

 
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