Leo triplets at 250mm

[Jannis]

Not sure if this fits better in the widefield area, but oh well.

Managed to get 50x 60s exposures at 250mm F/7.1 ISO 3200 this night in between the clouds,trees and street lights.

Canon 550D, EF-s 55-250 @ 250 F/7.1. No calibration files used.

Just for fun i run it trough astrometry.net's "enhanche" function, and got remarcably better galaxies.

On the 2nd pic, i borrowd some lum. data of the galaxies from astrometry's enhanche picture, and overlayed it. It surly looks better - i just wonder if it's actually my data or not..? Does anyone know if they actually just enhanche your actual data, or if they add data to make it better?

[iksose7]

Nice widefield!

About the enhance function, i think it is adding data maybe? I only say that as i've never even heard of it before and if its doing that with data hidden in you image then i think everyone would be using it! It really does do a good job although i think your original image has more detail in the galaxies.

[Jannis]

Thanks.

I belive it adds data too. This is how it looks right "out of the box" when running it trough enhance.

I only stole and added some of it's lum to the galaxies.

They have a coupple of other modes to, but i don't really know what they are - SDSS and GALEX.

http://nova.astrometry.net/user_images/241691#annotated

[nytecam]

Nice if tiny via 250mm fl :-)

[iksobarg]

That's impressive for a zoom lens. WOW!

Nice!!

[Jannis]

Thanks.

I had almost decided never to bother with a zoom lens again, but as it wasn't very good conditions, my scope was currently not ready to use, i gave it a go anyway.

It turned out better then i expected as a wide-field image.

[Scott]

I love seeing this trio in widefield. It really gives it a sense of perspective seeing these vast galaxies as tiny islands in a sea of stars...beautiful.

[Ags]

Ive seen a few really impressive images taken with this lens...

http://stargazerslounge.com/topic/209796-canon-ef-s-55-250/?hl=+55#8208250=

[Pete Presland]

excellent, especially for a 250mm lens very nicely imaged.