Today’s EPOD is the 3-D microscopy version of the Cabbage White Butterfly Eggs photographed by yours truly and turned into a stunning 3-D image by Dr. Brian May.

Brian made a suggestion as to how you could get an apparent baseline under a microscope to be able to make a stereograph – and as you can see the technique worked!!

I am now able to make 3-D images of anything I photograph through the microscope.  In addition of course, each of the 2 images is also a stacked focus-stacked image using Helicon Focus in order to get the depth of field.


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One night before full Moon I managed to grab this with the 2 x 200mm and 2 x M26C OSC CCDs.  12 x 10-minute subs in all.  Came out much better than I was expecting so I must go back and do this again without a blazing Moon in the sky :)

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In order to keep my hand in the HSF world, I will be making a batch of high-speed flash units that will be available early 2016.

Talking to a number of professional users I have decided that the specification for the new batch of units will be:

  1.  Light output power 75 Joules.
  2. Light pulse duration 25-microseconds (1/40,000th of a second).
  • Recharge time less than 5 seconds.

The units will be powered by a 12V dry battery pack (supplied with charger unit).  Estimated cost of a flash unit, battery pack and charger is £2,000 plus VAT at 20%, plus p&p.

Let me know if you have an interest in this equipment.

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A very rare beautiful clear Moonless night last night so I put the 2 x Canon 200mm lenses on a favourite star region of mine – Kemble’s Cascade in Camelopardalis.

Managed 2-hours worth of 10-minute subs with the array and I added in a 2-frame Sky 90 image from a while back.  Result below :)

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Please look under the “Courses” heading for a brand new course available from today.

This is the “I have been given a telescope for Christmas and I don’t know what to do with it” course.

Get up to speed with one-to-one tuition from Prof. Greg Parker at the New Forest Observatory :)


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Managed to get 8 x 30-minute subs last night with the 2 x 200mm Canons and the M26Cs, and I added this to earlier 19 x 15-minute data from the same rig using Registar.  This is the result.  I think I will consider this one done now.

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Another nice long 6-minute ISS pass tonight at 10:04 p.m.

As you can see, there was thin high cloud about which thickened considerably – so no imaging for me tonight :(

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Another 6-minute long ISS pass from last night.  The earlier 21:41 pass was completely clouded out.

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On the night of the blue supermoon (31st July) I looked out of the window to see the ISS passing over the Moon (so I missed a great photo-opportunity) around 10:00 p.m.

I hadn’t been keeping an eye on the ISS pass times lately so the same evening I took a look and was surprised to see that there were long 6-minute passes on just about every night of the following week :)

So on the evening of 01/08/2015 at 10:33 p.m. I was ready and waiting outside with the Canon 5D MkII and the Canon 15mm fisheye lens.  Beautiful long 6-minute pass.  Also there will be 2 tonight at 9:41 p.m. and 11:17 p.m. so I am hoping the weather will be kind.

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Today’s Earth Science Picture of the Day (EPOD) is the large DSS2 data mosaic I put together of the Tulip nebula region in Cygnus.

DSS2 data was downloaded (red and blue channels) and Noel Carboni’s actions were used to create an artificial green channel.  The RGB data was then further processed in Photoshop CS3 before the individual frames were stitched together using Registar.

This is EPOD number 69 – thank you Jim for continuing to publish my work :)

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