transit of halpha mercury at fs60 and sm40DS

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stef41
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transit of halpha mercury at fs60 and sm40DS

Post by stef41 »

Good morning, everyone,

in this November 11th, I had to migrate to (small) Britain to have less clouds than at home.

here are my acquisitions made during that afternoon with the fs60 equipped with its sm40 double stack, glasspath x1.25, BF10 and zwo178mm on staradventurer

we start with a little animation between 12h35 UT and 12h37 UT: I was at the cleat for 13h35m35s, the expected time of the first contact.... I had forgotten a small detail: the first contact is calculated for the photosphere (white light) and not for the chromosphere (halpha)!

And so, by triggering my first film at 13:35m06s, well, mercury had already entered the chromosphere :(

Image

version xvid ( 6 Mo ) :
http://www.astrosurf.com/ls35dx/transit ... m-crop.avi

I then made films by juggling between the cloudy passages which gives a string of Mercury on the sun, anything but regular :)
I took the 13h45 UT sun as a reference for the background.

Image

animation of the transit youtube version:



but less compressed here in xvid (50% - 70Mb):
http://www.astrosurf.com/ls35dx/transit ... UT-r50.avi

Note that for the 16h13 UT one it was really close to the horizon, the sun setting at 16h33 UT.

A last one at 14h45 HL with the protuberances:

Image

cordially,
stéphane - France


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Re: transit of halpha mercury at fs60 and sm40DS

Post by eroel »

Stéphane:
Very good images and animation.
Regards,
Eric.


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Re: transit of halpha mercury at fs60 and sm40DS

Post by MAURITS »

Stephane lovely images and animation.


Regards,
Maurits

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Re: transit of halpha mercury at fs60 and sm40DS

Post by MapleRidge »

These are very nice images and video Stéphane...well done :bow

Brian


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Re: transit of halpha mercury at fs60 and sm40DS

Post by Astrophil »

Stephane, always great images from your setup. A lot of time and effort went into those captures and it paid off quite nicely. I really like the first one. You did not miss by much in timing.

Phil


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Re: transit of halpha mercury at fs60 and sm40DS

Post by Montana »

You say you travelled to the UK to see the transit :shock: wow! you must have been desperate :lol: however I wish I had travelled to where you were as you got some amazing images compared to my 15 seconds worth, well done :hamster: :bow I really enjoyed these :hamster:

Alexandra


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Re: transit of halpha mercury at fs60 and sm40DS

Post by stef41 »

Hello,

thank you for your comments (as well as those who answered on the second duplicate thread ;) )

@montana: No, I didn't travel to Great Britain! I went as far as "little Britain" , in French Britain ;) More precisely here: https://www.google.fr/maps/@47.8230944, ... !1e3?hl=fr

at the foot of a wind turbine, then! :D
as we can see here:

Image

Image

cordially,
stéphane - France


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Re: transit of halpha mercury at fs60 and sm40DS

Post by marktownley »

Nice shots and a cool camper Stephane!


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Re: transit of halpha mercury at fs60 and sm40DS

Post by pedro »

Great shots of the Mercury Transit Stephane. The FS60 is a great instrument


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Re: transit of halpha mercury at fs60 and sm40DS

Post by Carbon60 »

Nicely done, Stephane. Well worth the round trip.

Stu.


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Re: transit of halpha mercury at fs60 and sm40DS

Post by MAURITS »

Nice trip Stéphane.


Regards,
Maurits

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