Timelapse Video of 2012 Transit of Venus

[callingrohit (Vivek)]

Hi IceinSpace Community,

Here's my contribution to the awesome collection of photos & videos of 2012 ToV - the last one of this century. I consider myself very lucky to have witnessed this event. I had missed the 2004 one.

In Color - http://www.flickr.com/photos/myshutterworld/7380708070

In B&W - http://www.flickr.com/photos/myshutterworld/7380773608

This video is made up of approx 670 images captured over a period of 6 hours.

The images were captured using Canon 400D with a telephoto zoom lens fitted with a DIY Solar Filter ( 1x Pringles chips & 1x Thousand Oaks RG Solar Film Sheet) from Brisbane, Queensland.

The zoom lens was set to 300m and each image was captured at F/11 with an exposure of 1/250sec on IOS-100.

I certainly did not want to crop each and every image manually so luckily a community member (http://forums.adobe.com/message/4497231 --> Thank you so so much, c.pfaffenbichler) from Adobe Forums came to my rescue. A total save from the sheer frustration of going through each individual image and cropping them perfectly.

I'm pretty happy with my results. Gotta love astronomy !!!

[RichardJ (Richard)]

Hi Vivek,

Well done. A pleasure to watch.

regards,

RichardJ

[Dennis]

Lovely work Vivek – excellent animations and very educational too.

Cheers

Dennis

[strongmanmike (Michael)]

This is a joke...right

[callingrohit (Vivek)]

Thank you Richard & Dennis for your appreciation.

Thanks Michael.

[RichardJ (Richard)]

Hi Mike,

Suggest you run the transit in Stellarium (accelerated) and watch the path of Venus across the Sun.

regards,

RichardJ

[Dennis]

Originally Posted by strongmanmike

This is a joke...right

I assumed the change in viewing perspective was due to the use of an Alt-Az mount vs. GEM? Field rotation would produce such an effect?

Cheers

Dennis

[callingrohit (Vivek)]

Michael,

I thought you wrote your comment in good spirit didnt realise you thought that the video was actually a joke.

Richard is right. Please run the transit for brisbane and u will see the inverted U shape.

My dslr was stationary and i had no mount to counteract the rotation. Hence after C3 you will notice that the sun's disc rotates counter clockwise forming C4 and C5 in inverted U shape.

Didnt realise i was causing confusion, thought it was pretty evident from video and various ToV literature available online n also the one written by Mike Salway.

Bottom line - its not a joke and thats how it was seen from australia.

[von Tom (Tom)]

Hi Vivek,

Very well done! It takes alot of work to capture and compile the images. I also captured the transit on an alt-az mount - thanks for animating it as such

Tom

[stephenb (Stephen)]

Well done Vivek, Excellent work. The field rotation was easily seen thanks to the sunspots which graced the disk that day.

Stephen

[callingrohit (Vivek)]

Thank you Tom and Stephen for your kind words and appreciation.

Very happy to see my contribution well received.

[astronobob (Bob)]

Great going Vivek, totally appreciate seeing it in the alt az perspective, a very credible piece of work ! !

[multiweb (Marc)]

Originally Posted by callingrohit

Michael,

I thought you wrote your comment in good spirit didnt realise you thought that the video was actually a joke.

Richard is right. Please run the transit for brisbane and u will see the inverted U shape.

My dslr was stationary and i had no mount to counteract the rotation. Hence after C3 you will notice that the sun's disc rotates counter clockwise forming C4 and C5 in inverted U shape.

Didnt realise i was causing confusion, thought it was pretty evident from video and various ToV literature available online n also the one written by Mike Salway.

Bottom line - its not a joke and thats how it was seen from australia.

That certainly clears things out. I was confused when it went on a straight line with mine as I was checking a diagram prior to the day showing the exact curve you had in your video. Now I undertsand why. Visually it also looked like Venus exited to the bottom left of the sun.

[callingrohit (Vivek)]

Thank you Bob and Marc.

I had always planned to capture it exactly the way I would see it visually. And I suppose its educational too as Dennis (thank you) mentioned.

This video can be compared with the other videos on this forum which counter-act the field rotation to show the difference or explain the reason behind the straight-line or inverted U shape movement of Venus across the Sun.

Thanks