M106 NGC 4258

[ApophisAstros]

Had this since imaging in July but not good enough to post, reorocessed with the latest PS CC, and improved it a bit.

There were 3 large dust specks on it and processed them out nicely , interested if anyone can find where they were.
Roger

28 x 100 second subs
no darks or flats that i can find.
no bias

[JohnP]

Definitely one 3 oclock position quarter way across from RHS about 1/2 way up... really stands out on my monitor...

[Carole]

I suspect near the bottom on both left and right, but you did a good job removing them.  This is a difficult target to get the outer spiral arms even with a CCD camera, so for a DSLR and a beginner you've done very well.

Carole

[ApophisAstros]

The three i removed were a triangle around the spiral.
Thanks Carole n John p.
Roger

[MarkS]

You've captured faint spiral arms there!

It looks slightly out of focus to me - you need to nail that focus.

Mark

[ApophisAstros]

Yes at the time i didn't have a bahtinov but do now and always focus on my alignment star.
Roger

[JohnP]

Also Roger when I stretch it loads in PS you can see double horizontal lines dividing image into thirds - what caused this? Just curious - John