9.5 Hours OSC Rho Ophiuchi @ 135 MM - Bortle 2

[left copper]

This is data that I captured from my club's darksite. I've been trying to get a picture of Rho for 3 years now but it never really rises that high here. I'd like to be able to pull out more of the blue any tips on processing (I use GraXpert, SIRL and finish up in GIMP). The subs are 120 seconds, from an ASI 533 MC Pro and a UV/IR cut filter

[edgy breach]

quick go at it, i didn't have a lot of time. great data thanks for sharing.

[left copper]

May I ask what your general process was? I like your rendition better :). I'm still working on improving my processing skills.

[vale fjord]

oh wow thats crazy data

crazyyy

i kinda exploded the cores to the details

[left copper]

Crazy in a good or bad way? And what's your general process of you don't mind me asking? Your processing is much better than mine

[wooden lodge]

Thank you for sharing, data looks pretty decent

[spice sequoia]

my try and thx for sharing 🙂

a quick gimp tuning.... 😁

[dreamy summit]

how did you get those results?

[spice sequoia]

Pixinsight: STF to check borders for stack artifacts, a little crop of the borders, Graxpert background extraction, scnr, Blurx, image solver and SPCC, starx, seti star stretch on stars, seti statistical stretch on starless, noise xterm on starless, curves for a bit of contrast and saturation, combine images script, create HDR image script, improve brilliance script, lab color boost script and a final touch on GIMP.

[vale fjord]

fr good lol this data is just amazing!

[vale fjord]

well i have some bases but i change it a lot due to diferent datas. but some of my bases are:
cropping,
bge,
spcc,
ghs,
starnet removal,
normal stretch,
cosmic clarity sharpen on details,
cosmic clarity denoise (full),
star reintegration and star stretch,
cosmic clarity sharpen (stars),
graxpert denoise,
final stretch and saturation

[dreamy summit]

Ah yes. Star stretching

[dreamy summit]

@left copper what's your FL & pixel size?

[dreamy summit]

Got starnet

[violet breach]

thanks for the data

[vale fjord]

need a better bge but looks great

[haughty axle]

Hell yeah, very nice data

[violet breach]

@vale fjord im relatively new to Astrophotography, thanks for the nice input

[vale fjord]

your welcome

to a relative new astrophotographer this processing is stunning

[vale fjord]

135mm and 3.76um was what i used

it worked so i think its a imx 533 sensor

[haughty axle]

Yes. IMX533 (3.76um) and 135mm fl

[vale fjord]

omg how did i get it 100% right? lol

[haughty axle]

The title says 135mm which is the used focal length and the posts description says that a ASI 533mc pro camera was used. I own the very same camera so I know that the pixel size is 3.76um

[vale fjord]

i did not read the description

only the title

[haughty axle]

lol

[vale fjord]

the pixel size i just went like... 3.76 is great

[haughty axle]

Over time, however, you also become surprisingly good at simply guessing or estimating it😂

[vale fjord]

yeah fr i got 3 right in the past month lol

in one there was no info

it was 1500 3.76

i guesed 1500 3.6 cuz i could imagine it being visible that way in my telescope and camera

[haughty axle]

A square image will be 3.76 99.9% of the time

[vale fjord]

fr my camera has retangular images

[haughty axle]

But yeah, that's why we should always put FL and pixel size into the description🙂

[dreamy summit]

how do I get more color?

@violet breach @vale fjord@haughty axle

[vale fjord]

either saturation or spcc if your in the start

[dreamy summit]

what's spcc?

[vale fjord]

spectometric collor calibration

[haughty axle]

Siril has SPCC afaik

[vale fjord]

you do it after you plate solve the image but must be after bge and before stretch

[vale fjord]

yes it has

[dreamy summit]

what's ghs?

[vale fjord]

generalized hiperbolic stretch

[dreamy summit]

how do you do it?

I usually only play with the first 3

[haughty axle]

You should watch a tutorial about GHS. It's quite powerful

[vale fjord]

well you need to see i cant explain properly

get a tutorial it will be great

[vale fjord]

ye

[dreamy summit]

pls send one

I'll check in the morning

[vale fjord]

https://www.youtube.com/watch?v=LCUjQCBPNcY

oh

lol

same vid

[haughty axle]

lol

[vale fjord]

rn i'm processing Ashen's Dungeon datas

the tarantula one and i'll probably process other

[haughty axle]

Do you process with siril?

[vale fjord]

you should process these they are great for learning

[vale fjord]

yes

what about you?

[haughty axle]

Okay

Well because stretching with PixInsight really got quite easy with all the tools. I rarely use GHS anymore. I just use statistical stretch from seti astro and curves which already does it for me lol

Maybe some tweaks with masks

[vale fjord]

whe have statistical stretch in scripts too but i never quite used it

what is it?

[vale fjord]

lol

[vale fjord]

i wish siriL had masks and multi images processing too

[haughty axle]

I don't even know. I just adjust the parameters to my liking 😂

[vale fjord]

look at this ashen starless tarantula

[vale fjord]

lol

[haughty axle]

Might try this later

[vale fjord]

you should this data dump is amazing

it has like 15 stunning images

or more idk

also has ashens pix icons in there

[violet breach]

tx a lot, im absolutely not new in image processing, but pixinsight was horror at first 😉

[vale fjord]

lol i wish i had pix

but siriL is doing great with me now

[violet breach]

i always thought i dont need it, than i started to learn and to love it 😉 i only own the seestar S50 and S30, but im quite happy with it

[vale fjord]

i own a 127slt telescope and a sl3 camera so integration time and the images are not quite the best

pix would be great lol

my images are noisy as fudge

[violet breach]

tried gracpert for denoising ?

[haughty axle]

I would not want to do Astrophotography without PixInsight since I bought it

[vale fjord]

lol

[haughty axle]

It's such a wonderful piece of software

[vale fjord]

yes it creates too many artefacts in my data

like some noise is so proiminent that it literaly become a new star lol

[haughty axle]

thats indeed very good data. had a quick look at it