Padfield

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Padfield
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Re: Padfield

Post by Padfield »

I left the snow behind this morning and headed for the tropics (the Papiliorama) again, getting some work done on the train. Every time I go I enjoy seeing new butterflies and today was no exception. I am continually amazed by how many species fly there, though clearly they cycle them.

The very first time I visited, a few female Lexias pardalis were sitting around doing very little. Today there were one or two females but also lots of males, mostly freshly emerged and zooming around all over the place:

Image

This is an East Asian butterfly that flies in the Philippines, so it is possible, if the timing is right, that Tony will post some pictures of wild individuals.

The second new butterfly for me was not a species but a form. The African swallowtail Papilio dardanus is known as the 'mocker' because of the huge variety of female morphs. Today a beautiful orange female was flying:

Image

The white form I have seen on most visits was also present:

Image

Last time, I showed some photographs of small caterpillars of Papilio thoas. The only caterpillar of that species I found today was huge but for the first time the adults were present - in small numbers, so perhaps 'naturally' bred rather than introduced from the breeding rooms. Like most swallowtails they were constantly moving but one stayed still briefly for a photo:

Image

Here is the caterpillar, photographed from a very great distance as it was the wrong side of a leaf!

Image

Another new species for me was the incessantly bobbing glasswing, Greta oto:

Image

I had hoped to see this in due course but was completely enchanted when I did. It is an exquisite butterfly. In flight, only the white lights on the forewings are really visible and when it settles it is completely transparent, like glass.

I have been identifying the leaf butterflies I've seen here as Kallima paralekta but today, for the first time, I saw one with its wings open and could identify it as inachus. What a staggeringly beautiful butterfly!

Image

In India I have seen Danaus genutia, a close relative of the monarch, Danaus plexippus. Both species were flying in the Papiliorama today:

Image
(genutia)

Image
(plexippus)

Because the light is actually very dim in the butterfly house my camera struggles with those swallowtails that never seem to stop moving. In India, in the bright light of day, I managed to take a few shots of Papilio polytes tiptoeing over the flowers (I used to save all my pictures at smaller sizes than I do now):

Image
(Kolkata, April 2010)

Today, I was surrounded by polytes, or the polytes group, both tailed and untailed, and wanted to get some shots as Tony has been sending the wild photos from the Philippines. But it was impossible! The best shot I got of an untailed male was this:

Image

And the only shot of a tailed male was this:

Image

I took dozens more shots of many species, including several new ones to me, but will resist the temptation to post them all! Here, instead, are a few I haven't identified yet - though I admit I also haven't got the books out yet, so I might come back with the names quite soon. But in the meantime, any suggestions are welcome.

The first only ever posed to show its underside, but when it flew showed a rather dull buff upperside, bordered, I think, with dark:

Image

The next is a species of Charaxes. Unfortunately, it was way above my head and I could only take very distant shots:

Image

Image

Thirdly, this rather small swallowtail:

Image

This exotic bird took a great interest in my activities:

Image

In this picture, two polytes can be seen in the vegetation behind him:

Image

I noted from Susie's post that the Wisley glasshouse will soon be hosting butterflies. I have started putting together a webpage of all the species I've identified so far in the Papiliorama, which might be a useful guide to the butterflies there. But then again, they doubtless provide their own guide.

Guy

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Re: Padfield

Post by Pauline »

Your butterfly photos are stunning as always Guy but I am intrigued by the bird. Do you happen to know what it is?

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Re: Padfield

Post by Padfield »

Pauline wrote:Your butterfly photos are stunning as always Guy but I am intrigued by the bird. Do you happen to know what it is?
When I saw you'd replied, Pauline, I rather hoped you were going to tell me the answer to that question! But I am sure someone will. It looked a bit like something Lewis Carroll might have invented - a bit of a portmanteau bird - a pigeon with parrot feathers and a silly hat.

Guy

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Re: Padfield

Post by David M »

Is it some kind of Fruit Dove, Guy? I only say that because I have seen these at some of the bird fairs my friend goes to and they're pretty colourful (although I don't remember any being crested).

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Re: Padfield

Post by Mark Colvin »

Hi Guy,

Great pictures. I feel at visit to Wisley pending ...

Your bird is a Red-crested Turaco (Tauraco erythrolophus).

Kind regards. Mark

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Re: Padfield

Post by David M »

Mark Colvin wrote:Hi Guy,

Great pictures. I feel at visit to Wisley pending ...

Your bird is a Red-crested Turaco (Tauraco erythrolophus).

Kind regards. Mark
Good work, Mark. Just looked this up and it is described as a "frugivorous near-passerine".

I had to check the dictionary for 'frugivorous' and am surprised I've never seen that word before given its definition.

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Re: Padfield

Post by Padfield »

Thanks, Mark - I thought you might know what he was. He was certainly a very friendly little chap, even if his taste in clothes was a bit dubious.

Guy

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Re: Padfield

Post by MikeOxon »

padfield wrote: I noted from Susie's post that the Wisley glasshouse will soon be hosting butterflies. I have started putting together a webpage of all the species I've identified so far in the Papiliorama, which might be a useful guide to the butterflies there. But then again, they doubtless provide their own guide.
In previous years, the guide produced at Wisley was rather limited and I, at least, found it mis-leading in some cases. I feel sure your webpage will be very useful, though I also hope that this year's Wisley guide may be improved.

Mike

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Re: Padfield

Post by Padfield »

Thanks Mike.

For completeness, and just in case anyone should be trying to help out, I have identified the mystery species above (and added the pictures to the butterfly house ID page). The first is Faunis canens, not a Satyrid as I had thought but actually in the Morphinae, though it flies in South Asia. The Charaxes is a female of Charaxes protoclea azota - so the same species and subspecies, I think, as the male I showed earlier, and the swallowtail is another Papilio nireus.

I'll keep adding species to the guide and I hope in time it will cover most butterflies seen in butterfly houses - currently it shows 56 species:

http://www.guypadfield.com/butterflyhouse.html

In the wild, all is frozen here!

Guy

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Re: Padfield

Post by Padfield »

After ISON burnt its wings on the sun (should have been called Icarus), I decided to get my comet fix with Lovejoy. This comet is now about 5th magnitude and not really a naked-eye object but is easy with binoculars before dawn in the East.

As usual, http://www.heavens-above.com will give you the location (select comets, then Lovejoy). This is from this morning - tomorrow it will have moved slightly towards Hercules:

Image

It's quite close to an optical double, which makes it easy to pick out:

Image

In this picture, if your screen is bright enough, you can make out the tail:

Image

Finally, this picture shows Saturn just to the left of the Grand Muvéran:

Image

Guy

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Re: Padfield

Post by Padfield »

Like much of Europe, we have been enjoying a respite from winter recently, with afternoon temperatures rising as high as 7°C , though it is still well below zero at night. So I thought it worth having another hunt for a December Queen. This is one of the few species you can hope for in mid-winter with a clear conscience, as it can engage in fruitful activity at any time of year. Eggs laid in December can hibernate, as can any caterpillars that might emerge in a longer mild spell.

The first hotspots I visited produced no Queens but at the last one, which I didn't reach until nearly 13h00, I struck lucky. A single male flew out over the vines and then settled very briefly on a sunny bank. He was already warmed up and showed no interest in sunning himself, but before he zoomed off I got one, very distant, proof shot:

Image

I will try to reach the same place at about 11h00 tomorrow, and see if I can catch him warming up - it would be good to get a closer look at his condition, to see if it can be confirmed he is a hibernator, not a fresh emergee. This is my latest ever Queen (possibly my latest ever butterfly), just five days from the winter solstice! It is the third consecutive year I have found the species flying in December.

As well as that Queen, I saw three red admirals. They were also very brief sightings - by the time I reached the valley today everything seemed to be very mobile.

Before heading home I had about ten minutes to check for brown hairstreak eggs at a site where I searched in vain for the adults in September. Like Father Christmas, someone had visited unseen and left little gifts for the spring!

Image

Image

Guy

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Re: Padfield

Post by MikeOxon »

padfield wrote:I got one, very distant, proof shot:
Of course,none of us would have believed you without 'proof' :lol:

On the subject of Saturn (earlier post), I think my most thrilling telescope moment was the first time I turned my little spotting scope onto it and saw the rings, musing that they had been there throughout human history but no-one knew! I have found that my Nikon 300f4 lens can just resolve them - the main problem is getting a steady enough support. I hope you won't mind me putting this in your diary (I know you can easily remove it, if you wish) It was taken in March 2012 and exposure was 1/8s @ f/5.6,ISO 1600.
Saturn.jpg
Saturn.jpg (7.31 KiB) Viewed 680 times
Mike

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Re: Padfield

Post by Padfield »

I don't mind at all, Mike!

I spent a lot of time watching Saturn during the Cassini/Huygens aventure to Titan. It still blows my mind to look up there and think that there is a man-made structure on Titan. I'm not sure about Cassini - is it still in orbit or has it left Saturn?

I took this picture with a cheap e-bay telescope (which I have since given away) and a webcam:

Image

I don't think I can resolve the rings with my present compact camera - probably because of relative movement of the planet during the necessary exposure. But it's worth trying again, I think, as I've only had this camera since 2010 and I can't remember when I last tried.

Guy

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Re: Padfield

Post by MikeOxon »

I believe Cassini is still operational. There's a splendid picture, taken 19th July, from 'behind' Saturn, with the Earth and its Moon clearly visible in the background! See http://saturn.jpl.nasa.gov/photos/

Worth a try with a compact but you may be aperture-limited. My 300/4 provides a 3 inch aperture.
Mike

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Re: Padfield

Post by Padfield »

Wow! So we can look at Saturn and still imagine Cassini ...

I've just done the calculations, and to have a purely theoretical chance of resolving the rings, under perfect conditions, with perfect optics, you need a minimum of 3cm. I used various approximations, so that might be out a little - but clearly my compact can't do it. I'm very impressed with the quality you got at just 3 inches.

Guy

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Re: Padfield

Post by David M »

I remember this from summer just gone. Cassini had taken an image with several celestial bodies visible in the background, earth being one (though you need to view the enhanced image lower down to see it):

http://www.bbc.co.uk/news/science-environment-24913141

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Re: Padfield

Post by MikeOxon »

In case you have not seen it, there's an excellent video of the Huygens descent onto Titan, on the ESA website at http://sci.esa.int/cassini-huygens/3921 ... n-surface/

Mike

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Re: Padfield

Post by Padfield »

Thank you both for those links. I can feel another Lovejoy and Saturn morning coming on ... Lovejoy has now moved into Hercules.

Guy

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Re: Padfield

Post by Jack Harrison »

Cassini is still working well.

I have never managed to see Saturn’s moon Titan directly with my modest telescopes but did once see it indirectly. It was a quite extraordinary event sometime in the 1980s that I knew about in advance. Titan occulted (passed in front of) a moderately bright star, a rare event as seen from Earth. I was able to observe the star “switch off” and then “switch on” a few minutes later [through my telescope] even though I couldn’t see Titan itself.

Star occultations by our own moon are of course far more common but are still quite an amazing sight as the star switches off instantaneously. They are most spectacular when the unlit limb of the moon covers the star. Sometimes the moon passes in front of the Pleiades cluster and on these occasions there are multiple occultations.

Jack

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Re: Padfield

Post by Padfield »

To watch an occultation by Titan is quite something! I took several photos of Saturn this morning and there is a faint dot exactly where Titan should be (I use Stellarium for my simulations) on all of them, but I guess, if the moon is not visible with a modest telescope I must have photographed a star there. I certainly haven't seen it before.

Quite an interesting day so far. Up at 06h15 to get some photos of Lovejoy (though the full moon, despite being behind the mountains on the other side of the sky, still spoilt them). Saturn lay in the south, Mars was high in the sky above and Jupiter was setting in Gemini in the west. I grabbed an hour's work, then zoomed off to the Rhône Valley to photograph Queen of Spain fritillaries and am now on the funicular/tram back up to Villars, just emerging from the thick, low stratus which covers most of my region into bright, mountain sunshine. In Valais, where the Queens fly, there is no stratus. It suddenly begins, like the end of an unrolled rug, at St. Maurice, bringing gloom and misery to everyone living below about 700m.

Photos to follow, when I get back.

Guy

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