Took this on Saturday morning as a quicky before day break.
The link below is to the 40% size 1.6deg X 1.6deg full fame image but as usual if you click on the image after it opens you will be taken to an album of other versions including close ups of all three globulars
Without booting up the big computer can't help with identification, too early I'm the morning... I just look and go mmmmmmm nice,
It sure is a nice combo you have there, wouldn't mind a 6 inch scope myself.
I would call this photo 47 Tuc and four friends
there is another, smaller, just above the left one (un-identified), and yet another one above this one, two times higher and to the right, so the whole chain forms the 1/6th circle, centred at 47 Tuc.
Impressive image..
Nice framing and resolution of this somewhat difficult object. I found last time I imaged this that I was get blown highlights. Did you use shorter subs for the core? I am thinking not given that it looks like you took 5 minute subs on it the colour. Star colour is superb too. Lovely image.
As usual such short exposures are pretty hard to work with but in the end I was meeeh so-so about it I guess
Bojan, yes the LMC is just poking in the top left corner so all those clusters are part of the LMC.
Paul, cheers mate, you are right, one of the harder obects to process for sure. I did do short and long exposures 2min and 10min. It was 4 X 10min + 10 X 2min Lum, 7 X 2min each for RGB (I rounded it up to 15min each in my image credits ) so as I said it was a quicky!
Paul, cheers mate, you are right, one of the harder obects to process for sure. I did do short and long exposures 2min and 10min. It was 4 X 10min + 10 X 2min Lum, 7 X 2min each for RGB (I rounded it up to 15min each in my image credits ) so as I said it was a quicky!
Mike
Ah that makes sense. I am thinking I might give this a shot next time myself. It is often easy to over look these remarkable objects when other more colourful objects exist. Thanks for the tip on the colour. I don't mind that you rounded up.
I would call this photo 47 Tuc and four friends
there is another, smaller, just above the left one (un-identified), and yet another one above this one, two times higher and to the right, so the whole chain forms the 1/6th circle, centred at 47 Tuc.
Impressive image..
The one above the LH cluster is an open cluster, ESO 28-22, aka Cl Kron 7, Cl Lindsay 11, & [RZ2005] 4. The faint one two times higher and to the right is another open cluster, Cl Lindsay 14, aka [RZ 2005] 9. Info from Aladin, Simbad catalogue.
Cheers -
Last edited by Rob_K; 09-08-2010 at 04:03 PM.
Reason: Pic added
That's impressive Mike. The res of the tiny stars in excellent.Guiding must be perfect!
Funny you should say that Dave, I use my dy/dx guide figures and the excellent real time guide star centroid plot in Astroart to gauge the seeing. The seeing was at best very average on Friday night fluctuating all over the place. I was imaging NGC 6774 in Pavo when all of a sudden the seeing rapidly improved and as expected the guiding settled and the subs came down sharp as a tack for about an hour or so...the rest of the night was back to fairly fuzzy . The attached screen shot shows the guide star history of that hour or so of good seeing. As you can see not a single excusion outside the 1 pix radius (2"/pix at 1200mm FL with guide camera binned 2X2). I was using just 1sec guide exposures so those eight anomalous out-lier plots represent no more than about 10sec of the whole hour or so! The vast majority of plots land in the centre 1/3 of the ring = orgasmic...who needs AO . Last imaging session when I imaged The Lobster Nebula it was like this the whole bluddy night virtually, now THAT was heaven
Excellent Mike. Like the panel of different views...getting more value from your data set.
Thanks jase
As Paul suggested 47 Tuc is a bugger to process well, rather like the Orion Nebula. I am not overly happy with the final result and I have a few final versions I have been tossing up between but it depends on the time of day and which screen (work or home) that I look at it on as to which looks the best....so bah this will do ...or I'll go (er!)
about it I guess 
) so as I said it was a quicky!
. The attached screen shot shows the guide star history of that hour or so of good seeing. As you can see not a single excusion outside the 1 pix radius (2"/pix at 1200mm FL with guide camera binned 2X2). I was using just 1sec guide exposures so those eight anomalous out-lier plots represent no more than about 10sec of the whole hour or so! The vast majority of plots land in the centre 1/3 of the ring = orgasmic...who needs AO 
