M66 & M65 with the TSA 120 & 314L+

[FranckiM06]

Hello every body,

So, I have shot these galaxy's 2 days a go but my Flatfields were wrong and didn't work ! But after 2 days, I decided to show you this image because I think that I got lot of signal and detail in there.

I have done 12 exposures of 240s cooled around -15°:

[RobH]

Great

Excellent detail, and very smooth for such short imaging time.

Those dust problems should be pretty easy to deal with in processing as they are on the background, and not affecting the galaxies.

Cheers

Rob

[barkis]

Glad you posted them Franck. It would have been sad to have missed these. As Rob said, you can tidy it up later and re post it.

Not too bad as it is anyway.

Ron.

[moocher]

Pleny of detail in these 2!!!!! Very nice!!!

Alan:)

[Ibbo!]

Very nice

I do like a galaxy or 2

I would add more subs to it over the coming spring

I take it you love the 120

Steve

[johnh]

Outstanding detail.

John.

[FranckiM06]

Hello guy's,

First, thank you very much to appreciate my image.

Rob, how I can do to remove this dust problem in processing ?

Best regards.

Franck

[RobH]

Several ways Franck.

You could make a false flat, or you could use the 'clone stamp' tool, or shoot some more subs with your camera in a different orientation so the dust is in a different place, and copy and paste the unaffected region from one image to the other.

Cheers

Rob

[FranckiM06]

Rob, I have this screen and I think it is OK for the Flats but my problem it is to find the right time and I never find the right time: For M66 I got 1s of Flats but maybe it should be shorter around 0,5s or 0,2s something like this !!!

Gerd Neumann jr.- Flatfield Foil-

[RobH]

Hello Franck.

I use the smae thing for my flats, but add a couple of layers of white paper also to dim it down a bit so that I can increase the exposure time to about 2 seconds. A slightly longer exposure seems to give better flats.

Have you bias subtracted your flats?

You need to do this for them to work properly.

Cheers

Rob

[ollypenrice]

Franck, the sky here looks FANTASTIC for tonight. Maybe the same for you? Get out there! The galaxies are quite amazing in this image. I have never seen so much detail from a similar focal length.

If you shot them again but had the camera orientated so that you could add the third of the 'Trio du Lion' you could get it another time and make a mosaic. It is easy. Come and see me and I'll show you!

That Takahashi is GOOD!

Olly

PS For flats I use a luminescent panel from Selectronic in France - thanks to M et Mme 'Chonum' on Webastro.

Olly

[ncjunk]

Nice detail in those.

[harry page]

Hi

Very good detail , Hard to do you must have had very steady skies

Thanks for posting them

Harry

[R Fisher]

Very nice image, I tend to try to avoid having to use flats by keeping the sensor clean, this can be difficult though if attaching other items to the camera. Would look fantastic with some colour data.

[jnp]

We'd better all get a last look at M66/M65 before they get swallowed up by that black hole

Seriously, those galaxies both look great.

[Petervde]

Great image Franck

It compares very nicely to an LRGB image I made of this galactic couple last year. The equipment is comparable: an 11cm apo (instead of your 12cm) and an Atik 16HR, which is the older sibling of your 314L+.

Exposure times were 105:20:25:20 minutes.

Peter

[FranckiM06]

Yes, your image is also great in colour. Maybe, the center is too bright ! But it is splendide shot.

Franck

[Ibbo!]

I've a similar shot

Unfortunately no colour data as yet

perhaps this year

link to my 65/66 below

Untitled Document

I wonder if is there a way to combine our data as they are at a similar scale?

Steve

[FranckiM06]

That's great image too Steve. I like your image and better that my.

Franck

[ollypenrice]

I've a similar shot

Unfortunately no colour data as yet

perhaps this year

link to my 65/66 below

Untitled Document

I wonder if is there a way to combine our data as they are at a similar scale?

Steve

Registar. Dead easy!

Olly

[Beyond_Vision]

Very nice image Franck with plenty of detail.

Regards

Kevin

[Ibbo!]

Registar. Dead easy!

Olly

I would guess the way to do it would be to get all the original data to combine

or to get the tiff files and combine those?

Steve

[FranckiM06]

Do you want my original image by mail ? If you have some other images of M66, you could combine it.

Franck