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Search: Posts Made By: Rob_K
Forum: Radio Astronomy and Spectroscopy 28-03-2015, 08:46 PM
Replies: 13
Views: 337
Posted By Rob_K
Thanks Ken but problem solved! I was right, it...

Thanks Ken but problem solved! I was right, it was the grating "unit" but not the grating thank goodness. Last night I got the same extended stars but then noticed that the little rolled-up light...
Forum: Observation Reports 27-03-2015, 10:13 PM
Replies: 17
Views: 411
Posted By Rob_K
Now it's 2015F, refer CBET 4081 : 20150326 :...

Now it's 2015F, refer CBET 4081 : 20150326 : SUPERNOVA 2015F IN NGC 2442 = PSN J07361576-6930230:
http://www.cbat.eps.harvard.edu/cbet/RecentCBETs.html

That's the first supernova CBET issued...
Forum: Radio Astronomy and Spectroscopy 27-03-2015, 09:54 PM
Replies: 13
Views: 337
Posted By Rob_K
Thanks for the offer Ken. Whatever the problem...

Thanks for the offer Ken. Whatever the problem is, it lies in the grating unit. It could be a weird effect of some pattern of condensation that I haven't come across before (unlikely) but I'm more...
Forum: Radio Astronomy and Spectroscopy 27-03-2015, 04:37 PM
Replies: 13
Views: 337
Posted By Rob_K
A week in the life of N Sgr 2015 No. 2: (PS:...

A week in the life of N Sgr 2015 No. 2:

(PS: Ken, I've tried a few things, a little better but still worrying)

Cheers -
Forum: Nightscapes 25-03-2015, 10:21 AM
Replies: 10
Views: 203
Posted By Rob_K
How could you possibly observe anything? Lit up...

How could you possibly observe anything? Lit up like Bourke St! :P :lol:

Sounds like you all had a great time - missed again but hoping to get to the next one! :thumbsup:

Cheers -
Forum: Nightscapes 22-03-2015, 10:26 PM
Replies: 2
Views: 83
Posted By Rob_K
Night sky from Bright, Vic, 22 March 2015

:question: Canon 650D & 18-55mm kit lens.

Cheers -
Forum: Radio Astronomy and Spectroscopy 22-03-2015, 04:17 PM
Replies: 13
Views: 337
Posted By Rob_K
Hi Ken - what I got last night were 'squiggles'...

Hi Ken - what I got last night were 'squiggles' for stars. Not focus or they would have been blobs. Not tracking because I did two sets of spectrum subs with lots of other ordinary images before,...
Forum: Radio Astronomy and Spectroscopy 22-03-2015, 12:23 PM
Replies: 13
Views: 337
Posted By Rob_K
Low-res spectrum taken last night shows...

Low-res spectrum taken last night shows significant changes from the one on the 18th, with the emission lines flattening out markedly. There may be a slight exaggeration of the effect in the attached...
Forum: Radio Astronomy and Spectroscopy 20-03-2015, 11:25 PM
Replies: 13
Views: 337
Posted By Rob_K
Nova Sgr 2015 No. 2 low-res spectrum, 18 Mar 2015 UT

The other morning I managed to image, take a spectrum and get a naked-eye view of this bright new nova. The spectrum is nothing to write home about but does show the strong P Cygni profiles. In the...
Forum: Observation Reports 18-03-2015, 09:47 PM
Replies: 17
Views: 411
Posted By Rob_K
Don't go looking at the new nova in Sagittarius...

Don't go looking at the new nova in Sagittarius Malcolm, you might blind yourself!! :P ;)

Cheers -
Forum: Celestial and Astronomical Events 16-03-2015, 10:47 PM
Replies: 3
Views: 399
Posted By Rob_K
New bright nova in Sagittarius

John Seach of NSW has added another nova to his growing tally, well done! This was put up on CBAT's Transient Objects Confirmation Page (TOCP) as PNV J18365700-2855420 and was quickly confirmed by...
Forum: Solar System 12-03-2015, 12:32 PM
Replies: 2
Views: 222
Posted By Rob_K
Unusual comet - been & gone

Sorry, not Jupiter! ;) Comet C/2015 C2 (SWAN) was discovered in SWAN images in late February by Dr Rob Matson (USA), Michael Mattiazzo (Vic, Australia) and V Bezugly (Ukraine), independently. Terry...
Forum: General Chat 05-03-2015, 04:28 PM
Replies: 23
Views: 917
Posted By Rob_K
Well I won't be getting rid of mine as long as...

Well I won't be getting rid of mine as long as there's butane cans available. Obviously an incident has occurred and these public notices are simply a way of the manufacturers avoiding litigation in...
Forum: General Chat 04-03-2015, 11:02 PM
Replies: 61
Views: 1,732
Posted By Rob_K
DELWAP (yep, you guessed it, DEPI are history! ;)...

DELWAP (yep, you guessed it, DEPI are history! ;) ) are already on the job here and the valley is full of choking smoke. Summer weather hasn't been too bad overall here - some big rainfall events...
Forum: General Chat 22-02-2015, 12:09 AM
Replies: 17
Views: 428
Posted By Rob_K
Never seen a meteor through the eyepiece but I...

Never seen a meteor through the eyepiece but I would love to. A few years back one of the members of our local club was lucky enough to see a bright one through the eyepiece, confirmed by others who...
Forum: Observational and Visual Astronomy 20-02-2015, 03:23 PM
Replies: 6
Views: 399
Posted By Rob_K
Fully agree Malcolm! These notes are not only...

Fully agree Malcolm! These notes are not only little pieces of astronomical history, but also gems of a person's journey in astronomy. Bob had earlier called for people to submit any notes they...
Forum: Celestial and Astronomical Events 20-02-2015, 10:40 AM
Replies: 11
Views: 544
Posted By Rob_K
Just an update on these. The Sagittarius object...

Just an update on these. The Sagittarius object has also been spectroscopically confirmed as a nova (FeII type classical nova) but no CBETs have been issued yet. The Sgr nova rose in brightness...
Forum: Observational and Visual Astronomy 20-02-2015, 10:12 AM
Replies: 6
Views: 399
Posted By Rob_K
Keeping observing notes

Interesting article by Bob King, titled "Pleasures of Keeping an Astro Journal":
http://www.skyandtelescope.com/observing/pleasures-of-keeping-an-astro-journal02182015/

Cheers -
Forum: Star Parties, Club and Community Events 17-02-2015, 12:37 AM
Replies: 0
Views: 104
Posted By Rob_K
Public lecture in Perth - Rosetta Mission

This one might be of interest to Perth people, Tues 17 Feb 2015:...
Forum: Celestial and Astronomical Events 14-02-2015, 03:51 PM
Replies: 11
Views: 544
Posted By Rob_K
Certainly not forgotten Ken but positively dim...

Certainly not forgotten Ken but positively dim compared to mag 1.7! :P And of course in the same year there was the little matter of V339 Del (Nova Delphini 2013) which reached naked eye at around...
Forum: Celestial and Astronomical Events 14-02-2015, 02:29 PM
Replies: 11
Views: 544
Posted By Rob_K
Ian, I gather the Scorpius nova is already...

Ian, I gather the Scorpius nova is already dimming off. There aren't many observations for the Sagittarius possible nova but it may have brightened slightly. Which Cygnus nova do you remember? ...
Forum: Celestial and Astronomical Events 14-02-2015, 09:29 AM
Replies: 11
Views: 544
Posted By Rob_K
The Scorpius object has now been...

The Scorpius object has now been spectroscopically confirmed as a nova, awaiting official recognition through a CBET.
http://www.astronomerstelegram.org/?read=7060...
Forum: Celestial and Astronomical Events 13-02-2015, 11:24 PM
Replies: 11
Views: 544
Posted By Rob_K
Thanks Kevin. No chance here tonight, 100%...

Thanks Kevin. No chance here tonight, 100% cloud! :sadeyes:

Cheers -
Forum: Celestial and Astronomical Events 13-02-2015, 01:28 PM
Replies: 11
Views: 544
Posted By Rob_K
New possible nova in Scorpius, 12 Feb 2015

This came up on CBAT's Transient Objects Confirmation Page (TOCP) yesterday, mag 8.2 U. I managed to image the object last night but was unsuccessful in obtaining a spectrum due to moonlight and...
Forum: Celestial and Astronomical Events 02-02-2015, 11:25 AM
Replies: 59
Views: 3,455
Posted By Rob_K
Finally got around to doing an animation on...

Finally got around to doing an animation on 357439 (2004 BL86) - 15 x 7 sec subs, Canon 650D, 200mm lens, ISO 6400, F/5.6 (crops). Image scale is roughly 6"/pixel. 11:45-11:50, 26 Jan 2015 UT.
...
Showing results 1 to 25 of 500

 
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