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Search: Posts Made By: Rob_K
Forum: Celestial and Astronomical Events 21-10-2014, 10:16 AM
Replies: 2
Views: 188
Posted By Rob_K
http://www.uahirise.org/releases/siding-spring/

http://www.uahirise.org/releases/siding-spring/
Forum: Observation Reports 21-10-2014, 10:10 AM
Replies: 3
Views: 73
Posted By Rob_K
Eek yes Malcolm, not Local Group! :rolleyes: ...

Eek yes Malcolm, not Local Group! :rolleyes:

Busy observing time recently but on the night that really mattered, when comet C/2013 A1 did its buzz past Mars.... you guessed it, cloud!! :mad2: ...
Forum: Observation Reports 19-10-2014, 11:49 AM
Replies: 3
Views: 73
Posted By Rob_K
Observation report, 17 October 2014

Had our club meet at Porepunkah Airport near Bright last Friday, one of the rare nights in the last two years that hasnít been cancelled due to cloud! Cracker skies and we had seven people in...
Forum: Celestial and Astronomical Events 18-10-2014, 02:30 PM
Replies: 55
Views: 1,855
Posted By Rob_K
Got an image too - composite of shots on 16 & 17...

Got an image too - composite of shots on 16 & 17 October attached. Crossed arrows is the rendezvous on 19 Oct. Higher res here: ...
Forum: Celestial and Astronomical Events 18-10-2014, 02:12 PM
Replies: 55
Views: 1,855
Posted By Rob_K
Last night at the club meet at Porepunkah...

Last night at the club meet at Porepunkah airfield, C/2013 A1 was visible in a 4.5" f8 reflector at 43x in absolute cracker skies, albeit very faintly and in averted vision. Not the hardest comet...
Forum: Observational and Visual Astronomy 13-10-2014, 12:19 PM
Replies: 13
Views: 348
Posted By Rob_K
???

???
Forum: Celestial and Astronomical Events 31-08-2014, 11:05 AM
Replies: 55
Views: 1,855
Posted By Rob_K
Saw C/2013 A1 and 47 Tuc in the same FOV last...

Saw C/2013 A1 and 47 Tuc in the same FOV last night in cracker skies, great view with the tiny dim comet and the extravagance of the cluster. 4.5" f8 Tasco reflector and 21mm eyepiece, 43x. ...
Forum: General Chat 30-08-2014, 10:36 AM
Replies: 7
Views: 269
Posted By Rob_K
After 2-3 months of virtually total cloud-out...

After 2-3 months of virtually total cloud-out (except full Moons of course), we've had two weeks of cracker skies here, go figure. :shrug: Not much rain though right through winter and a very very...
Forum: Celestial and Astronomical Events 29-08-2014, 11:46 AM
Replies: 55
Views: 1,855
Posted By Rob_K
Fantastic work guys, no surprise that you two...

Fantastic work guys, no surprise that you two were on the job with this one! The comet's quite faint in my scope and I was REALLY pushed for time last night so opted for photography. Yeah, I know...
Forum: General Chat 14-08-2014, 11:00 PM
Replies: 40
Views: 677
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, 12:16 PM
Replies: 27
Views: 1,374
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, 11:16 AM
Replies: 12
Views: 205
Posted By Rob_K
:question:

:question:
Forum: Beginners Astrophotography 12-08-2014, 10:25 PM
Replies: 23
Views: 394
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, 03:09 PM
Replies: 23
Views: 394
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, 09:44 PM
Replies: 21
Views: 759
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, 11:05 AM
Replies: 37
Views: 1,476
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, 10:37 PM
Replies: 37
Views: 1,476
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, 08:30 PM
Replies: 93
Views: 2,368
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, 10:45 PM
Replies: 2
Views: 206
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, 09:16 PM
Replies: 2
Views: 206
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, 03:50 PM
Replies: 37
Views: 1,476
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, 01:54 PM
Replies: 37
Views: 1,476
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, 08:32 PM
Replies: 37
Views: 1,476
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, 11:39 AM
Replies: 37
Views: 1,476
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, 01:49 PM
Replies: 37
Views: 1,476
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 &...
Showing results 1 to 25 of 500

 
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