My longest ever sub-exposure – 6 months!!

I’ve just opened the pinhole camera in my study (one day early).  This was behind the double glazing in a rectangular tea caddy tin box.  You can see the NFO dome towards the right, and a neighbour’s house over the road towards the left.  I think the almost vertical exposed line is a reflection off that neighbour’s bathroom window.  I don’t know what the boomerang shaped light in the sky towards the right is.  Clearly I didn’t angle the camera anywhere near enough to catch the Sun at the top of its travels so a good few months have been wasted.  Still living and learning 🙂

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No more – this is most definitely the last high speed flash egg-shot you will see from me

This one went absolutely everywhere and I’ll be cleaning up the mess for weeks.  It’s still far from perfect but I don’t think I’m capable of doing much better – so I’m calling it a day on the eggs.

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An experiment in animation with deep-sky imaging applications

Last night our faithful old cactus once again flowered and I caught the action with the Canon 40D and TC-80N3 timer controller.  So what is this doing on a deep-sky imaging web site?  I hope to use the same process to create animations of the night sky using the 40D and a 15mm Canon fisheye lens – should be an interesting summer night project.

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An extremely scary upgrade

I have just half-completed a very scary summer project!  The Hyperstar III lens assembly is a fantastic technological achievement which turns an ultra-slow f#10 Schmidt-Cassegrain into an ultra-fast f#2 Schmidt-Camera.  There is a slight problem though with all that glass in the Hyperstar – thick lenses – and the edges of the lenses are frosted, not blackened.  This means that if you wish to image a bright constellation star, you will unfortunately get some lens flaring.  For non-bright constellation stars I rarely get any problem.

So – just as I did with the Hyperstar I, I took the whole lens assembly apart (scary) and then painted the edges of the lenses matt black (VERY scary!) they are now all sitting on my desk in the sunshine for the paint to thoroughly dry off.  I use Revell colour Black Matt 9 – this is the paint used on Airfix kits.  It is probably not the best paint to use – there is a proprietary paint you can get from the States that is made especially to paint the edges of lenses.

I will keep you informed of how things progress (or not) when I rebuild the Hyperstar III and take my first image with the modified lenses.  Keep everything crossed for me 🙂


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Only three days to go now!

The four pinhole cameras I have had imaging the southern horizon for the past 6 months are due to be opened on June 21st 2010 in the evening.  I will put new film in each camera and set them off again for another 6 months exposure.  Keep looking in to see how things go for this mega-exposure imaging session 🙂

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Galaxy wall mega poster – the NFO Spring mega-project of 2010

Noel Carboni is currently assembling the NFO Spring mega project of 2010.

This is a massive mosaic of the Virgo/Coma galaxy cluster region centred on the famous Markarian Chain of galaxies.  This mosaic is created from a number of frames taken with both the Sky 90 and Hyperstar III telescopes both using the SXVF-M25C one-shot colour camera, and the image reveals many hundreds of galaxies.

I shall be creating just a very few HUGE prints measuring some 5 feet in height and 6-7 feet in length which will be available for purchase.  These will be extremely expensive to acquire (sorry), but they are totally unique high-resolution prints specifically designed for the corporate environment and with an extremely limited print run of just 25 prints!

Stay tuned to the New Forest Observatory blog to keep up to date with this, our most ambitious project to-date.  If you would like to pre-order your massive “Galaxy Wall” print for your institution then please mail sales@newforestobservatory.com for more information – but please be quick, with only 25 prints in total, they will soon be snapped up!

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What is the New Forest Observatory?

It says something about the desperate current financial situation we are in that I need to write this entry, and it makes me quite sad to do so.

The New Forest Observatory is a dedicated picture-taking telescope (i.e. you can’t see through it) housed in a fibre-glass dome and located in my garden in Brockenhurst in the New Forest.  It is my hobby –  it is not a professional observatory with paid technical staff, so I am sorry, but there are no job vacancies at the NFO.  In addition, as stated above, you cannot “look through” the telescope as it is permanently fitted to a cooled astronomical CCD camera and so there is no eyepiece at all to look through.  If you would like to work at a professional observatory (and you have a very good science degree qualification) check out the Canary Island telescopes and see if there are any current job vacancies, they do advertise quite regularly.  Or – if you would like to take your own deep-sky images (you would need to process the raw data you download) then check out the many “rental scope” offers on the Internet where you can buy time (at what I consider are extremely good rates) on a big telescope which will take images of your chosen object for you, and then send you the image data via the Internet for you to process in your own time.

I only wish I was sufficiently financially loaded to be able to take on keen young people to work at the NFO, but like most amateur deep-sky imagers in the U.K., I am not in that income bracket and I’m never likely to be in that income bracket unless I win the Lottery, and of course there are millions of others wishing for exactly the same thing as me.

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EPOD today – Dartmoor land of granite

Managed to get today’s EPOD with a panoramic view over Burrator resevoir towards Leather Tor taken from the top of Sheepstor in Dartmoor National Park.  I know this area extremely well as I lived in the village of Walkhampton which is just a couple of miles away.  Thank you Jim for choosing an image of one of my most favourite parts of the U.K. for today’s EPOD.  By the way, the panorama is enormous and from memory was made up from around 50 frames from a Canon 40D DSLR.

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IOM June 2010 – It’s cleaning and updating time once again!

It’s imaging dead time again as we enter the summer months and it never really gets dark at my latitude.  Time once again to do all those chores which we don’t bother with when we’re getting on with the real work of imaging.  So, if you have a nice white fiberglass dome, now is the time to bring it back into pristine condition by washing off all the collected murk of the last year and maybe finishing with a bleach rinse to keep the green stuff at bay a little longer.  If like me, you have your dome on wooden decking, now is the time to give your decking the Sadolin treatment to keep it rot free for another year.  Check that the interior is still waterproof and that the sealant all round the base is still o.k.  If not, remove all the old sealant with a blunt knife and reapply new stuff.  Vacuum out and dust the interior of your observatory and remove any unwanted inhabitants that have taken up residence.  Finally, if you do not have your computer connected to the Internet in your observatory, take it indoors and get all the updates loaded up.  Also load up any new software that you might have acquired during the past year and check it all works indoors before taking your computer back outside to your observatory again.  Check all your wiring and see that nothing is chaffing as your telescope skews across the sky.  Finally check that the earth leakage circuit breaker functions correctly – we don’t want to lose you out in the darkness on a cold winter’s evening.

Well we have to suffer this month, and most of next month before it becomes too unbearable and we go out at silly hours just to get an image – any image.  Hang on in there, just need to brave it out for 6 more weeks 🙁

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High speed flash photography – a reminder

For those of you looking for my high speed flash photography site can I remind you that you will find ultra-fast Xenon flash images here.

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