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Chris Kennedy
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Chris Kennedy

Amateur Astrophotography  - 
 
Tonight's waxing Crescent Moon, taken from my garden around 17:00 GMT, using a Meade LX90 8" SCT and ASI120mm camera, mosaic is comprised of 18 panels.
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Still kind of rough looking. Needs more waxing!
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Hmm - I have a clear night forecast for Wednesday, it might not stick, but I am thinking about imaging Messier 3 - in theory a fairly fast thing to image.

But I want to keep star colour, so imaging with a CCD RGB filters and probably going to need luminence to - any tips I want to image the extent of the cluster, but not over expose....so umm? Advice going in to this project?
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Thinking it will have to be the Crescent Nebula this early summer, assuming I ever get a clear night!
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I've had my new heq5 pro and new qhy5 since November.. I've been out twice! And even then it rained after half hour.. I'm an eqmod expert now as well, in theory at least!
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Chris Kennedy

Amateur Astrophotography  - 
 
Take one photo of the Dumbbell nebula taken last summer and then muck around in Photoshop for 30 minutes to produce a faux 3D effect..was fun to do over breakfast.

This is effectively three layers.

Layer 1: Nebula, with all the stars removed.
Layer 2: Faint star field.
Layer 3: Bright stars.

Each frame I shift the faint stars a few pixels, the bright stars more and increase the displacement filter (made from a greyscale copy of the nebula) strength each time.
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Arrived today, going to adorn my "man bag" with them - Going to get the Apollo XIII one when it's back in stock, and probably a few Gemini mission patches to! :D

Had to get the expedition 46 one, proud to have Tim on the ISS.
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That's awesome! This bag I am getting is going to be kept forever, regardless of condition in the years to come :)
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The four data sets I used to produce my recent M51 image, what I really enjoy the most from this, is how the view changes from one wavelength to another, indeed the Ha view gives a skeleton of the galaxy, but is great for making those star forming regions really pop out!
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Chris Kennedy

Deep sky imaging  - 
 
Two clear nights in the space of a week? Madness!

Over the night of Friday the 15th of January I started to image Messier 51, also known as the Whirlpool Galaxy - a beautiful grand design spiral galaxy some 23 million light years away.

I imaged that night in R,G,B and got a result I was pretty happy with, after all, I am imaging from a light polluted suburban garden.

It took me 6 hours to acquire the RGB data, 30x240s per channel, or two hours of imaging per filter.

Tonight I had clear skies, but blustery wind and a nearly full Moon to contend with, so tracking was going to be harder and RGB would be pointless.

So I imaged in Hydrogen Alpha (Ha), Ha light is primarily given off by Hydrogen rich emission nebulae, for example, The Great Orion Nebula (M42).

In many cases, such light shows areas of active star formation, where massive clouds of Hydrogen are collapsing in to new stars.

The Whirlpool galaxy is a great example of such stellar creation, it's interaction with the passing galaxy NGC5195 has compressed this gas, creating a blossom of new stars and great regions of interstellar medium collapsing together.

So not only are you looking at a galaxy far, far away, made from billions of stars, but also able to see a great period of creation within it.

Technical Information
Optics: Meade LX90 8" SCT, f6.3 Focal Reducer, Baader HaRGB filters.
Camera: ATIK 414ex, -17c, bin 2x2
Guiding: ASI120mm, ATIK OAG, error 0.7 - 1.2"
Datasets: Ha 30x480s R 30x,240s G 30x240s, B 30x240s, Per channel flats - Total Integration time: 10 hours
Processing: DSS, Photoshop
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beautiful! well done. i like it :)
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Chris Kennedy

Amateur Astrophotography  - 
 
Messier 37 in the constellation of Auriga.

Shot last night from my garden using a Meade LX90 8" SCT, f/6.3 focal reducer, ATIK414ex mono CCD, using Baader LRGB filters.

This was tricky to image, not because it's 4,500 light years away, but because bank, after bank of cloud rolled in, frustrating given that it was "predicted" to be clear all night.

First time I have managed to even get a hint of star colour from a cluster - practice and processing improvements needed, but this is my first "star-centric" image taken with a mono CCD.

Very little data to, thanks to those clouds:

Lx10, Rx9, Gx11, Bx14 - each 240s in length.
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Chris Kennedy

Amateur Astrophotography  - 
 
The Dumbbell Nebula, after someone stole all the stars....
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+Jgk Soni
This was taken last summer from my garden with a Meade LX90 8" SCT, f/6.3 focal reducer and ATIK414ex mono CCD camera.

Image is a composite of:
Ha x10
OIII x 10
SII x 8

Star removal and original composition done in Photoshop.
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Trying out another social media platform (collecting them now, is MySpace still a thing?)

I have a Tumblr (It's like Flickr, but more GIFs?) - anyhow, I like the layout, text editing features and broadly speaking, taggable posting.

So here it is:

http://astro-kennedy.tumblr.com/
Astronomy is a humbling experience and my greatest passion. Every image is one I have taken from my...
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MySpace sounds appropriate for astrophotography 
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Done a bit of re-processing, tweaking and otherwise just faffing around with the data, just to see what I can get out of this beautiful galaxy, and apparently a couple of background galaxies.
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Fantastic!
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Chris Kennedy

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Two clear nights in the space of a week? Madness!

Over the night of Friday the 15th of January I started to image Messier 51, also known as the Whirlpool Galaxy - a beautiful grand design spiral galaxy some 23 million light years away.

I imaged that night in R,G,B and got a result I was pretty happy with, after all, I am imaging from a light polluted suburban garden.

It took me 6 hours to acquire the RGB data, 30x240s per channel, or two hours of imaging per filter.

Tonight I had clear skies, but blustery wind and a nearly full Moon to contend with, so tracking was going to be harder and RGB would be pointless.

So I imaged in Hydrogen Alpha (Ha), Ha light is primarily given off by Hydrogen rich emission nebulae, for example, The Great Orion Nebula (M42).

In many cases, such light shows areas of active star formation, where massive clouds of Hydrogen are collapsing in to new stars.

The Whirlpool galaxy is a great example of such stellar creation, it's interaction with the passing galaxy NGC5195 has compressed this gas, creating a blossom of new stars and great regions of interstellar medium collapsing together.

So not only are you looking at a galaxy far, far away, made from billions of stars, but also able to see a great period of creation within it.

Technical Information
Optics: Meade LX90 8" SCT, f6.3 Focal Reducer, Baader HaRGB filters.
Camera: ATIK 414ex, -17c, bin 2x2
Guiding: ASI120mm, ATIK OAG, error 0.7 - 1.2"
Datasets: Ha 30x480s R 30x,240s G 30x240s, B 30x240s, Per channel flats - Total Integration time: 10 hours
Processing: DSS, Photoshop
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Awesome!
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Chris's Collections
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Have him in circles
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Basic Information
Gender
Male
Story
Tagline
British freelance photographer, amateur astronomer, traveller and barman!
Introduction
I am passionate about astronomy and travel, love to photograph the universe around me, from people close to home, right up to galaxies far, far away.

Life is to be explored, enjoyed and horizons broadened, which means I am probably going to need a bigger telescope some day.
Bragging rights
Travelled the World, Photographed Galaxies
Work
Occupation
Photographer and Bar Tender
Skills
Photography, Design
Fantastic place, friendly, rather homely and really yummy BBQ nights. Clean facilities, not to far out of the center of Cairns and really didn't want to leave by the end of my time there.
Quality: ExcellentFacilities: ExcellentService: Excellent
Public - 3 years ago
reviewed 3 years ago
1 review
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