Thanks Wes & Mario.

The full res uncompressed (tif or xisf) version is even more interesting - it's native res is 8272 x 6534 (twice the camera res due to drizzle integration) which as 64Mbyte uncompressed . These email attachments @114Kbytes do struggle to accurately represent the source material sometimes.

Cheers -

Steve, that is beautiful 

Wes 

On Wed, Aug 19, 2020 at 6:45 AM Steve Lang <steve.lang@...> wrote:

So, here's my latest attempt to process some recent/decent data.



It is, of course, Eta Carina. Not the most challenging of targets, but I

spent a lot of time on it, practiced and learnt a lot to get it this far.



I kind of like this mix more than I thought I would, hope you do too.



* Explore Scientific PMC-8 Losmandy G11

* Exploer Scientific FCD100-80, TSFlat 2

* Astronomik 6nm filters

    - Ha 137 x 120Sec (4.57Hrs)

    - Oiii 77 x 120Sec (2.57Hrs)

    - Sii 70 x 120Sec (2,33Hrs)

* QHY163m, QHY CFW2-US, QHY OAG (QHY 5L-II-M)

* PHD2, NINA, PixInsight





Taken from my rural front yard, Bortle 4/5, multiple different nights

some of which were full moon.



Numerous subs deleted due to thin cloud, user error, shitty memory etc.

etc.



It is my first completed narrowband image (and an evolution of the

grayscale one which was just Ha that spurred me on ). Processed

generally with some aspects of Light Vortex Astronomy tutorials and some

other scripts (denoise, soft stretch), some manual Local Histogram

Extension and a specific colour combination.



I wanted this to be stark, red, and violent - this is how I will

remember 2020 and Covid19. The mix of Oiii/Sii is intentionally subtle,

but it is a very simple mix. I tried various other combinations (hubble,

SHO etc.) but always came back to this mix. As I said, this is how I

will remember 2020 😉



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--

*Mounts:* ES PMC-8 G11, Orion Atlas

*Scopes:* ES FCD100-80, GSO RC8, Orion XT10i

*Cameras:* QHY 8L, QHY163m, QHY5L-II, Polemaster

*Misc:* QHY FW, OAG

*Software:* NINA, PixInsight

--
Wes, Southport NC
EXos2-GT PMC-8, iExos 100
ES ED 127, 10" LX200GPS+wedge, Astro-Tech 8" Newt, ETX-90, 60mm no-name guide scope ~ 260mm FL
Polemaster, Orion ST-80 and SAG, ZWO 290MM, D5300 astro modified
Nina, Bootcamped Mac Mini control computer, RDP to iMAC
110 amp hour lead acid deep discharge battery for field power
Electrical Engineer, Retired