The Omega (Swan) Nebula, Messier 17, NGC 6618

[MLParkinson (Murray)]

I recorded the data for these images of the Omega Nebula back in July to September 2016. Part of my strategy is to record as much high quality data as possible during the dry winter months, and then catch up on the processing during the cloudy summer months.

https://flic.kr/p/RbmqPQ

https://flic.kr/p/Rbmqvy

Some of you will not like the strong rich colour of these portraits. I am sorry for that, but hopefully a few of you will share my sense of the aesthetic. I guess we will have to agree to disagree, respectfully.

Technical details: Televue Nagler Petzval 127is at f/4.2, Astronomik 12-nm SII, Ha and OIII filters, QSI683wsg camera cooled to -20 Celsius. All sub-frames at 1x1 binning.

Exposure times for the sub-frames: H alpha: 24 x 20 minutes, OIII: 28 x 30 minutes, SII: 12 x 40 minutes.

[alpal]

Hi Murray,
quality data collection.
I'd like to see the individual mono frames of: Ha, S2 & O3
to see what they show as separate detail.

cheers
Allan

[Atmos (Colin)]

Quite like the colour scheme of the first one, nicely captured Murray

[MLParkinson (Murray)]

Originally Posted by alpal

Hi Murray,
quality data collection.
I'd like to see the individual mono frames of: Ha, S2 & O3
to see what they show as separate detail.

cheers
Allan

Dear Alan,

As per your request, here are thumb nails of the H alpha, SII and OIII frames.

These are just quick masked-stretches of the calibrated and stacked sub-frames. No care taken.

Best wishes, Murray

[RickS (Rick)]

Interesting treatment, as usual, Murray

[Regulus (Trevor)]

I always like a good green nebula.Seems to suit their ghostly nature.
Nicely done in both instances though

Trev

[alpal]

Originally Posted by MLParkinson

Dear Alan,

As per your request, here are thumb nails of the H alpha, SII and OIII frames.

These are just quick masked-stretches of the calibrated and stacked sub-frames. No care taken.

Best wishes, Murray

Wow - each filter gives such a different view.
thanks
Allan