Rosette in Ha

[OzRob (Rob)]

I have collected this data over a couple of nights. It is the result of 3 hours and 40 minutes exposure time (11 x 20 minutes). It was taken with my FLT110, QHY9 and a 7nm Baader Ha filter. Frames were stacked in CCD Stack and DPP applied. I then adjusted curves in PS a little to increase contrast. Any processing tips appreciated.

I have been trialing CCD Commander to automate data capture and it seems to be pretty good. For this image the software first slewed to a nearby bright star to focus before moving to the target. It then plate solved and moved it to the correct co-ords. Every two frames I had it move back to the focusing star and then back again. I spent most of the time monitoring progress in the house while drinking beer...

[spearo (Frank)]

That's come out very nice
sharp and detailled
you'd be happy with that image i know i would
well done
frank
PS like your website too, cool

[Craig_L]

Well done. Top shot. Just as well well they weren't 5 min subs. That would have meant nearly 18 glasses of beer!

[mill (Martin)]

Well done Rob, lots of detail with an 3d feel to it.

[desler]

Came up nice Rob, Processing or stretching and sharpening in HA is a whole new world.

I've started adjusting the white point in levels and the stretching in curves. Then selective sharpening and noise reduction and keep playing around until I'm realatively happy.

The I wait for the various tips frpm here and start again. It's all fun.

Nice image!

Darren

[OzRob (Rob)]

Thanks guys, the rig is all setup to take some SII and OIII tonight but it might take a few nights to get enough data as I can only work on the east side of the meridian. Time for a beer..

[Rigel003 (Graeme)]

Looks great, if a tiny bit noisy in the fainter sections of nebulosity. The CCD Commander routine sounds great. Looking forward to the colour version when you've done the S and O frames.

[TrevorW]

Good detail Rob although IMO the FOV is a bit tight has this been cropped

[OzRob (Rob)]

Originally Posted by TrevorW

Good detail Rob although IMO the FOV is a bit tight has this been cropped

It has been cropped only a little to get rid of stacking artifacts.

Unfortunately (and predictably) the clouds rolled in just after dusk last night. Looks like it is here for a day or so...

[strongmanmike (Michael)]

Good solid Ha image of the Rosette there Rob

Yes, CCD commander would be a delight to get up and running, especially with an observatory How easy did you find it to use? Woudl you trust it all night while you spelt..?

Mike

[OzRob (Rob)]

Originally Posted by strongmanmike

Good solid Ha image of the Rosette there Rob

Yes, CCD commander would be a delight to get up and running, especially with an observatory How easy did you find it to use? Woudl you trust it all night while you spelt..?

Mike

Hi Mike,
thanks for your comments. In answer to your question I would say no, I would not trust it at the moment. However, I think most of my mistrust is my own doing. I still have to come to grips with the limitations of my own knowledge. I am learning every night and it is getting easier. As it gets easier I trust it a bit more. I am finding that I have to go outside less and less every night I use it to check things over. I think that by this time next year I will trust it....

I think CCD Commander is easy to setup and use. Once it is running it is a breeze. After my lesson for tonight (not possible for FocusMax to focus with 0.5s exposures with the SII filter) the program has performed faultlessly.

[wysiwyg (Mark)]

Nice job Rob!

Certainly heaps of detail there, it's a pitty about the focal length of the flt110, just shy of getting the whole thing in.