Sadr region

[shaunster]

OK so ive gone from a 314l+ to a 383l+ (for £300!) and testing it using my 1.25" filters and would like some opinions if you think and vignetting is present?

Talking with Ianking about a a suitable flattener for me so im on that, so the edges are distorted but Ive been waiting for a large neb that fills the entire FOV to judge if the 1.25" filters will be ok

I think it looks allright but other opinions are nice as well

This is 12 x 10 min Ha

Imaged with zenithstar 70 + 383l+

Guiding with QHY5 and ST80

Used flats and bias, not had time to take darks yet but they are needed.. no luxury of the 285 chip now

Larger size Deep sky - shaunster's Photos

[johnrt]

I stretched it right out using PI and couldn't see any vignette at all. What do your flats look like?

[shaunster]

I stretched it right out using PI and couldn't see any vignette at all. What do your flats look like?

Ive attached the master

Ive read a lot on bad vignetting with the chip and 1.25" filters, but the flats seem to cure it well

[peter shah]

super and crisp....im looking forward to imaging this area

[Psychobilly]

Looks good intensity wise and a flattener would transform it

Pete make sure that "Photon Hoover" of your leaves some for the rest of us

Peter...

[MjrTom]

Yeah the only observation I can make is that the edges of the field are not flat.

A field flatter and or reducer will help no end

[shaunster]

Thats good then as my flattener has just been delivered

[MjrTom]

Thats good then as my flattener has just been delivered

I look on with baited breath to see the results

(still have a hell of a lot to learn!)

[NickK]

Those 5.4um sq pixels really provide a nice level of detail!

[shaunster]

Just had another little play and tried to give it a bit more contrast of the dark and bright areas

[ollypenrice]

Surely no vignetting but it is odd to see such such assymetry in the flats. However, the proof of the pudding...

I think you are going to be a very happy bunny!

Olly

[shaunster]

I think you are going to be a very happy bunny!

Indeed...

Ill stop going on about vignetting and possible problems that I dont even have and just enjoy the outcome

Cant wait to see what the FF does..

[steppenwolf]

Nice and crisp detail and no vignetting that I can see - the flattener that has just arrived will hopefully resolve the issue of the perimeter star shapes. Which flattener did you get?

[R Fisher]

Super detail, would look good with some colour.

[shaunster]

Which flattener did you get?

I got the skywatcher one here First Light Optics - Skywatcher Field Flattener on the advice of ian king, hopefully it works.

Planning to get some more data for colour, probably narrowband