The Sprinkler and mega distant galaxies - another jet..?

[tilbrook@rbe.ne (Justin Tilbrook)]

Good image of 1300 Mike!

It's listed at Mag 11.1 but seems much fainter than this.
Did you find this when you were imaging ?

Cheers,

Justin.

[strongmanmike (Michael)]

Originally Posted by tilbrook@rbe.ne

Good image of 1300 Mike!

It's listed at Mag 11.1 but seems much fainter than this.
Did you find this when you were imaging ?

Cheers,

Justin.

Cheers Justin, hey, I'll take a good any day

Regarding the faintness..naaah not really, the whole shape of the galaxy was visible in a 10min bin 1X1 sub, the outer arms were very grainy of course

Mike

[gregbradley]

Originally Posted by jase

'bout time you got serious and took some flats. Enjoyed the full frame Mike. A very cool galaxy pairing.

A bit off topic but I did some experimenting Jase as the no-flats is controversial and goes against traditional wisdom and practice for sure. At first I figured it was Starlight Express marketing BS. But perhaps due to the camera's extremely low read noise I found with trialling many different flats that they always introduced significant noise to the image and degraded the smoothness of the data.

If your camera and filters are clean and you don't suffer from vignetting it may actually make more sense to use a gradient handling processing routine like Gradient Xterminator, PixInsight Dynamic Background Extractor or StarTools to handle.

I am not 100% sure I can't get a better result with flats but that's what my testing has shown so far with the CDK17 and Trius 694. I get very little vignetting with my setup - essentially none but strangely the darks on this camera do show some uneveness, perhaps even amp glow so darks and perhaps bias make more sense than Flats with this one.

Greg.

[tilbrook@rbe.ne (Justin Tilbrook)]

Originally Posted by strongmanmike

Cheers Justin, hey, I'll take a good any day

Regarding the faintness..naaah not really, the whole shape of the galaxy was visible in a 10min bin 1X1 sub, the outer arms were very grainy of course

Mike

Thanks Mike!

I guess that's the difference between a 12" with a quality CCD and an 8" with DSLR.
Still I'll have to try again on 1300, see what I can come up with.

Cheers,

Justin.

[strongmanmike (Michael)]

Originally Posted by gregbradley

If your camera and filters are clean and you don't suffer from vignetting it may actually make more sense to use a gradient handling processing routine like Gradient Xterminator, PixInsight Dynamic Background Extractor or StarTools to handle.

Even with a fairly small chip my 1.25" filters still vignette the steep F3.8 light cone slightly, so I have a full set of Astronomik LRGBHaSIIOIII 36mm filters on the way these will provide about 6 or 7mm more clear filter aperture, I recon this should do the trick Any residual vignetting gradients will most likely clean up with a touch of gradient removal. In the 4 months or so of imaging with my new Starlightxpress set up I have not seen a single dust donnut, even under the notoriously extreme stretching I do for my deep field comparisons

...this Sony chip puts us in a new era of imaging, the days of the noisy SBIGs with Kodak chips are loooong gone

Mike

Originally Posted by tilbrook@rbe.ne

Thanks Mike!

I guess that's the difference between a 12" with a quality CCD and an 8" with DSLR.
Still I'll have to try again on 1300, see what I can come up with.

Cheers,

Justin.

Good luck I am sure you will be successful Justin

Mike

[RobF (Rob)]

Love it Mike. Really enjoying your new found galaxy productivity, back in the dark skies around Canberra.

Ummm, isn't there just a teeny weeny little too much magenta in there again though?

[strongmanmike (Michael)]

Originally Posted by RobF

Love it Mike. Really enjoying your new found galaxy productivity, back in the dark skies around Canberra.

Ummm, isn't there just a teeny weeny little too much magenta in there again though?

WHAT? did you say too much MAGENTA

right.....I will tear that sofa apart and rip ya bloody (magenta) arms off



Thanks Robbo, I did nearly 1.5hours of Ha just to bring out the HII regions (obviously) if you look at other amateur images of this galaxy most are essentially colourless, I wanted to reveal something in the arms and see some colouuuuur

Yeah being under better skies and with a dome now I am very happy and have finally been able to hammer galaxies with this cool fast newt from England

He he

Mike
Ma genta... is your genta

[strongmanmike (Michael)]

Well you knew I'd do it ...

I stretched my 6 hours of Luminance data and sure enough there are some very faint extensions

There is a non stellar object GSC 5875 00352 that the upper extensions seem to or might be connected too...interesting

Faint Extensions of NGC 1300

Any suggestions? This image used flats so it is properly calibrated too

Mike

[Ross G]

Another great looking galaxy photo Mike.

I love the colours....I think my favourite of your current galaxy photos.

Ross.

[SkyViking (Rolf)]

Seems I missed this one Mike, what a stunner I've been too busy tinkering in the obs to attend the forums much lately
I love this galaxy and your processing of it, and yes I too was blown away when that Hubble image came out. Those 'see-through' background galaxies are amazing, it's cool that you were able to pick some of them up.
I actually have a very old shot of it with the webcam, taken many years ago (it's rubbish so I will spare you the details, lol ) Probably something to add to my growing target list, if the clouds ever clear here...

[Shiraz (Ray)]

Nother one - really fine image Mike. Please don't get sick of imaging these things - they are just great to look at.

Flats!!!

[strongmanmike (Michael)]

Originally Posted by Ross G

Another great looking galaxy photo Mike.

I love the colours....I think my favourite of your current galaxy photos.

Ross.

Glad you like the colours Ross, bit vibrant I guess but just seemed to work for me

Originally Posted by SkyViking

Seems I missed this one Mike, what a stunner I've been too busy tinkering in the obs to attend the forums much lately
I love this galaxy and your processing of it, and yes I too was blown away when that Hubble image came out. Those 'see-through' background galaxies are amazing, it's cool that you were able to pick some of them up.
I actually have a very old shot of it with the webcam, taken many years ago (it's rubbish so I will spare you the details, lol ) Probably something to add to my growing target list, if the clouds ever clear here...

Cheers Rolf, we will be sharing the photons ..you take the ones falling near Auckland and I'll grab those hitting Canberra

Originally Posted by Shiraz

Nother one - really fine image Mike. Please don't get sick of imaging these things - they are just great to look at.

Flats!!!

Thanks a lot Ray, I do love imaging galaxies they are the real Deep Sky objects

Ah yes Flats....my full set of 36mm filters arrived last week,. just have to install them now, so we will soon see if I have to continue with these dastardly things

[TimberLand (Justin)]

Background galaxies everywhere. I bet if you stretch the original you would get a bunch more. The number of elongated faint fuzzies in that shot is a true measure of your skill and gear. Top job.

Just like visual astronomy just on a monitor no averted vision required.


Justin

[Bassnut (Fred)]

I like the close up Mike, very smooth, excellent work !.

[strongmanmike (Michael)]

Originally Posted by TimberLand

Background galaxies everywhere. I bet if you stretch the original you would get a bunch more. The number of elongated faint fuzzies in that shot is a true measure of your skill and gear. Top job.

Just like visual astronomy just on a monitor no averted vision required.

Justin

Stretch some more you recon ...what like this

Originally Posted by Bassnut

I like the close up Mike, very smooth, excellent work !.

Cheers Freddo

Mike