Prawn widefield

[Atmos]

This is a crop from my larger mosaic I’m working on, I think this is about 16 panels.
It has the FOV of a full frame DSLR and a 170mm lens.

Higher res version (https://www.astrobin.com/full/404943/0/)

I’m estimating of about 4 hours of 300s exposures at ISO400 with my D810 and Sky Rover 130mm.

[multiweb]

Wow! The hires is gorgeous! Sub zero cool. :thumbsup::thumbsup::thumbsup:
Just realised the dark tower is really nice in RGB.

[gregbradley]

Go Colin!

Excellent work. I am loving these widefields. Mosaics are hard work. I need to master the mosaic grid tool in Sky X as I tend to spend too much time working out where the next panel needs to be!

Greg.

[Atmos]

Thanks Marc :)
The Dark Tower is more recognisable in not quite so wide fields and in Ha. I didn’t even notice it until you pointed it out :lol:



Thanks Greg ;)
TSX mosaic grid tool is AMAZING! I’ve used it for my last handful of mosaics and it’s done the job flawlessly. It took me a little while but I managed to figure out how to get the output file from TSX into a language that SGP can understand. I can setup 40 panels to be imaged in a matter of minutes now and SGP loads them as a target list.

[ChrisV]

Why is the skt so dark when all this is up there! Lovely.
One question from someone just starting to try mosaics for the first time. Why set a mosaic up in something else to export to SGP when the latter can do it?

[Atmos]

That’s because our eyes are tiny and the sky is huge :lol:

SGP mosaic wizard is good for smaller areas but I’ve found it cannot handle areas larger than 10-15 degrees.
Take this 15-18 panel mosaic (http://www.astrobin.com/335946/?image_list_page=2&nc=&nce=), it isn’t a lot of panels but it takes up a 60° FOV. I had to create this in TSX as SGP simply couldn’t handle it.

[Retrograde]

That's fabulous work Colin.

I love this part of the sky. :thumbsup:

[Andy01]

Nice work Colin - I particularly like it in high res :)

[Atmos]

Thanks Pete :)



Thanks Andy :)

[codemonkey]

Nice work, Colin! The low res on IIS doesn't do it justice, higher res on Astrobin looks much better.

[topheart]

Just awesome!!
Well done!!
Cheers,
Tim

[Atmos]

Thanks Lee, it looks better closer to native resolution but that’s a pretty dang big image :)



Thanks Tim :)

[DJT]

Nice one ColinAnother epic image. Using this as a finder chart for some interesting stuff you have shown up
Many thanks

[Ryderscope]

Beautiful work Colin.

[strongmanmike]

Lovely field that Col, vibrant colour and a nice mix of textures too, top job :thumbsup:

Mike

[Placidus]

Trish: Wow! The Prawn leaps out. The colours are perfect; beautiful nuances. Long live Nikon. Love the composition.

Mike: What prawn?

Trish: Put your anti-colour-blind glasses on, you idiot.

Mike: Wow! Look at the Prawn!

(Bought a pair of $600 anti-colourblind glasses from the US. They were useless, made it worse if anything. Bought a $12 pair from spotlight. Fantastic!)

[Benjamin]

Gosh. A beautiful image at all scales. Love all that wonderful colour and complexity.

[Atmos]

That’s one of the things I love about large mosaics David, they can be used as a reference. It has some complex distortions that I haven’t tried removing yet so it isn’t astrometrically correct but I’ll be fixing that in the long term.



Thanks Rodney :)



Thanks Mike :)
The FOV is even too wide for your FSQ! :lol:



Thanks Mike and Trish :) Trish is of course correct, long live Nikon! :2thumbs:
I kinda understand what you mean Mike, I bought a pair of sun glasses a few years ago that we’re supposed to do a better job of reducing glare without being polarised and I thought it could be good to use at work. What I found is that it made some green hues almost invisible, the same green colour as some weeds in fact making these glasses less than optimal for my job as a gardener haha



Thanks Benjamin, there is just something about large mosaics that cannot be captured in shorter focal length shots.

[atalas]

What a wonderful field....excellent work Col:thumbsup: