First Attempt at Narrowband

[volcanotop]

It feels like its been clouds for a month.

There was a short break in the clouds yesterday for an hour or two.   Not completely clear - but good enough to set up.

So this was the result of my first dabble into Narrowband / Mono.

Not time for a lot of data.    10x90 Sec for H,S and 0 of which the best 9 from each channel were stacked with DSS.

I'm still a novice at Pixinsight.    So the 3 stacked  channel images got a Channel combine to get an RGB image.

The RGB got a dynamiccrop.

Then a backgroundneutralisation

Then a colorcalibration.

Then lum extract and LRGBcombination

Then a histogram stretch and at that point my PI knowledge ran out.....

I'm quite pleased with this given that its my first go and there was only time for limited data gathering.

https://astrob.in/g6kqnu/0

No Lights or Bias in this processing.  That's next on my to do list.

Feel free to shout up things ive missed / could do better.

What would be the next 2 PI processes i ought to try to learn to help improve my picture?

Thanks  volcanotop

 

 

 

 

 

 

 

 

[volcanotop]

With all the cloudy weather if anyone fancies a play with the three (small) stacked H S O masters.

https://1drv.ms/u/s!Am0Xaik4MKPApyrG5zm1VA7tq6xL?e=ft4H8h

Post your image..!   It will be interesting to see what image you can make of these.   

 

[knobby]

I think you have some good data there, really quick dabble with Photoshop. I chose HSS rather than Hubble as I prefer the Reddy - Blue hue.

Just levels / curves / gradient xterminator and remove colour noise to make stars whiter and Noels tools to make stars smaller on the Sii to improve stacking.

[volcanotop]

Nice processing!

Yes i think the data is ok since its only just over 10 mins per filter. 9@90sec

[volcanotop]

I've just reprocessed my data as HOS rather than SHO.

O on the Blue channel looks good,  to my eyes/taste anyway.

only 40 mins exposure in this stack.   so next time its clear i'm going to try more and longer subs...