Roast My Image™

[obtuse trellis]

@iron scarab the fact that Hubble needed 3 mirrors to correct for the badly ground primary, does that make it a TMA?

[iron scarab]

Depends on how much coma is induced...

[obtuse trellis]

I'd say a lot

[fleet plume]

what.

Not true

They suffer from slight amounts of astigmatism and field curvature which is why such a thing as an RC corrector exists

[frank chasm]

the curved feild is prolly not noticible in small sensors like the 585 tho

and astigmatism is prolly cuz of collimation?

[fleet plume]

no its just how the optical system functions

[frank chasm]

lmao ikr

[frank chasm]

ohh

[fleet plume]

i am speaking about a perfect RC in theory

Astigmatism and a curved field is just something they have on their own period.

[fleet plume]

I mean if you use a sensor small enough no optical system has abberations

[frank chasm]

ikr

[obtuse trellis]

What? That's actually a three mirror astigmat. There's nothing in common with a newtonian optical system😭

[frank chasm]

ikr

basically a better cassegrain

[iron scarab]

yeah despite me glazing RCs they are definitely not free of aberrations

What they are extremely good at is providing accurate star positions

because they have negligible distortion

[bright root]

[iron scarab]

Oh I missed that message. JWST is a Korsch 3-mirror anastigmat

The primary is an ellipsoid but it's very close to being a parabola (e = 0.99835, K = –0.9967027225)

[lament minnow]

CASSEGRAIN????

low neuron activation

you can reduce rct's well

[nocturne harness]

sup

[obtuse trellis]

Every reflector has easy access to IR

[frank chasm]

i like reflectors purely cuz of the aura

[obtuse trellis]

Reflectors are the kings in general

[full spindle]

tell that to @livid shale

[obtuse trellis]

@livid shale Reflectors are the kings

[obtuse trellis]

Happy now?😂

[full spindle]

We need to convince him to get a 8 inch newt.

Toss some facts hahah

[silver shoal]

No need
The results speak for themselves

[livid shale]

https://tenor.com/view/brick-wall-talking-to-wall-talking-to-a-brick-wall-talking-to-yourself-spouting-nonsense-gif-9223278464067017147

[obtuse trellis]

In this scenario you are the wall?

[frank chasm]

YEAAAA

[frank chasm]

give it a shot bro

ur gon see the diff

[livid shale]

https://tenor.com/view/money-wallet-broke-gif-7855913

[frank chasm]

cuz bigger aperture = more resolution

[frank chasm]

reflectors are cheaper bro💔

[livid shale]

Yeha guess where I spent most of my money

Glass

[frank chasm]

newts have glass too

[obtuse trellis]

Wrong kind💀

[frank chasm]

mirrors are glass

[frank chasm]

lmao yea

[obtuse trellis]

Or not

[frank chasm]

mirrors and coma correctors are glass tho

[obtuse trellis]

Mirrors can be metal or quartz

[frank chasm]

those are some wallet breaking kinds

[obtuse trellis]

Unfortunately most manufacturers go for BK7 mirrors. Skywatcher still has some models thar still use Pyrex mirrors

[frank chasm]

build ur own mirror

parabolics are kinda easy

IF

they aint fast

[obtuse trellis]

Already working on one

[frank chasm]

NAWWWW

wait that looks kinda thin

u sure it wont bend under its own weight

[obtuse trellis]

It's gonna be tensioned. And as long as I keep the error around λ/10, I'm good

[obtuse trellis]

It's a mesh... it's more than thin😂

[frank chasm]

ohhh lol

i thought it was the glass

[frank chasm]

has it been tried before?

[obtuse trellis]

Nope... the wavelength of light I'm working with is so big that the mesh is opaque to it🤣

[obtuse trellis]

Heaps

[frank chasm]

radio?

[obtuse trellis]

Jup!

[frank chasm]

ohhh

don't u need like interferometries with radio telescopes to get a good image?

over like 10 kms or some

[obtuse trellis]

It's not always about imaging. And yes, for a high resolution image you do need an interferometer. But you can do cool stuff with a single dish as well

[obtuse trellis]

I meaaaan... this is an image

[lament minnow]

can you platesolve it

[obtuse trellis]

In reference to what?

[lament minnow]

good question

[obtuse trellis]

Technically the image is platesolved. Because the software is using the RA and DEC coordinates to reconstruct an image pixel by pixel.

[lament minnow]

[frank chasm]

what is that?

will blurX help?

[obtuse trellis]

In this domain you work backwards
Basically instead of deconvolution, you have to convolute the image to the PSF of the antenna

[lament minnow]

[fossil spruce]

Holy noise

[fleet plume]

With a Harmer-Wynne you get:

• No Chromatic Abberation (when focused)
• Easy Access to infrared imaging (250 - 2600nm)
• NO coma
• NO distortion
• Easy mosaic stitching
• Completely Diffraction-Limited and Fast Cassegrain (allows for reduction to F/5!)
• Greatest Aura

[bright root]

sounds incredibly expensive though

[fleet plume]

its actually not

the primary is a parabolic F/4 and the secondary is spherical

making that cheaper than a class cass/ritchey chrétien

the corrector in the baffles is 200 bucks

(cyan is 2600nm SWIR)

[iron scarab]

Can you provide evidence that you can aura farm with a Harmer-Wynne?

[fleet plume]

not yet

but

theoretically you can take an RC and replace its optics with the superior harmer wynne optics and aura farm just as good

[whole sequoia]

Its too good to be true

[short goblet]

what

[frank chasm]

didnt knew we uploaded bacteria cultures here now

[silver shoal]

I would Not Dare to compare Something as cool looking as a bacteria culture to this abomination

[frank chasm]

fair point

[keen blaze]

Dust culture 😭

[short goblet]

do we have to roast it, or

[tribal saffron]

yes

[meager bone]

Oh wow such a terrible image i have so many roast for it but I'm not gonna type them out because it would be a waste of time

Everyone can see how bad the image is no need to spell it out

[keen blaze]

Am I allowed to roast your english

[astral eagle]

Consider that English isn't a language as much as it's at least 6 kids in a trench coat sitting around and mugging other languages for their words and grammar ....

[round quest]

roast mine 😭

[meager bone]

Btw this is sarcasm incase you couldn't tell

[frank chasm]

so like

what was the need of more convolution?

[dusky lance]

image is rather soft. you have alot of colour noise and well generally the faint stuff looks a bit mulchy and you went way to hard on the green noise removal so your spikes are pretty devoid of colour and your white balance seems off making the galaxies seem purple. could be a result of the green noise removal

[gilded wasp]

moldy

[humble tiger]

Oh wow, this is prob one of the worst images ive seen of this region, how does one mess this up so badly? And why does your background look like grey sweatpants mixed with puke? Did you even try to colour calibrate? I know a guy that sees NO COLOURS and he actually has WAYYYY BETTER COLOURS than whatever this is, im not even joking.

[livid shale]

Bro used his lights as his flats

[round quest]

[silver shoal]

Sir, i think u accidently got some color in this mono-sub

[full spindle]

Bro splashed some paint on his image for the stars.

[keen blaze]

Incredible interpretation of what the universe has offered us, mimicking the north american continent of the earth

[keen blaze]

Weak ass arguments

[keen blaze]

How do you want us to roast this, there's not even a nebula there

[meager bone]

Ive seen worse but this is definitely in the top 10

[meager bone]

Wait a minute did brochacho use siril's star reconstruction aw hell nah

Also here is qick tip @round quest when doing background extraction avoid the actual nebula if you really have to, use a region that has a dark nebula in it don't just use the automatic squares it gives you especially on data that has poor quality you ideally want them every single agrea of you image from left to right while avoid any nebulocity that way you can fix those dark spots on the left and the lack of contrast on the right of your image

[mystic drum]

Looks like im looking through smeared glasses. Those two purple hot pixels or whatever they are really take away from what little good this image has. And those rotated star spikes... just not it man

[mystic drum]

You have some nebula in your gradient bro

[dense leaf]

🥹

[obtuse trellis]

Don't worry, another run of DBE and the nebula is gone

[round quest]

let me try that

[dense leaf]

bro roast this already wtf

[lament minnow]

dont want to

[full spindle]

I think the image does it already for ya

[dense leaf]

mine's better

for the gear*

[full spindle]

https://tenor.com/view/kevin-hart-throws-up-blood-gang-signs-gif-14258011722905991797

[obtuse trellis]

Make me

[orchid talon]

not much to roast

[obtuse trellis]

Is this one of your images?

[orchid talon]

this is roast your image why are you being kind !!!!!!

[obtuse trellis]

Because we have too much bad in this world.

[orchid talon]

[dense leaf]

wdym?

like

is it too good to be mine?

you can see my signature great dust spot (TM)

[obtuse trellis]

I mean like, is this one of your first images in the astrophotography journey?

[dense leaf]

yes matter of fact

first tracked image

[obtuse trellis]

Then is a great image. Nothing to comment about

[dense leaf]

https://tenor.com/view/nanami-low-cortisol-low-cortisol-dance-nanami-kento-gif-15223662041691571777

you're so kind pickles

maybe too kind...

[obtuse trellis]

I have been where you at rn. And being complimented for the results you got motivates you to keep going. You know what's wrong in the image already, but it's not worth destroying your energy over a joke

[dense leaf]

you've been through the alt az mount and horrible f ration phase?🥹

[obtuse trellis]

Nope, but I've been trough the phase of having no clue what I'm doing. And having someone to compliment even my shitty results helped me to keep going and get better.

[dense leaf]

wdym ''no clue what im doing''?

like

what am i supposed to know

[obtuse trellis]

Like I had no clue how to process data, how to acquire good data, how to use the rig to its max. I always went on the principle of close enough is good enough right now I'm grinding my teeth if my guiding jumps over 0.5" RMS. Back then I didn't even guide

[dense leaf]

whats my problem rn?

what am i at?

my processing has improved 10x

[obtuse trellis]

You're at the point where you're still understanding your rig. The better you get at using the rig, the better the data, good data will allow you to get better at processing.

[dense leaf]

i dont think i can squeeze better ddata off of this mount...

its overloaded

simple as that

[keen blaze]

You can achieve miracles if you keep believing xD

[dense leaf]

i"ll TRY tomorrow

fingers crossed

[keen blaze]

I’m sure you’ll be able to get better results

[dense leaf]

peep the weather above

tomorrow im going to b4/3

[keen blaze]

Ahhhh this is roast my image lmao

[dense leaf]

m16 is MINE

[manic heath]

Depending on how often you can shoot, improvements will come pretty quick

[obtuse trellis]

Are you happy with what it can achieve rn?

[keen blaze]

:0

[dense leaf]

i was really happy with my m81 but now that its my pfp on instagram

i look at it so often i see every flaw

[keen blaze]

That’s a good thing, it’ll help you learn more and improve

Imo training your eye is one of the most important aspects of this

[dense leaf]

same data btw

[obtuse trellis]

Same telescope, 4 year of progress

[dense leaf]

like now that i know what its supposed to look likee

all i see is blue

[dense leaf]

ooh

o shi

same telescope diff filter but alr

[keen blaze]

Different cameras and ints but better processing

What is going on with alnitak in the first one

[obtuse trellis]

Let's not talk about Alnitak

[iron scarab]

I took 9 minutes of data on M16 last year, and retook similar data this year for comparison
#1034944406622584872 message

The stretching is different but the star shapes are way better now

Some of it is about just acquiring more data but I'm sure you'll make big steps forward in acquiring quality data too

[full spindle]

Nah we've had some good this week with the kid point that dob to the sun 😂. We should have convinced him to microwave the primary.

[dense leaf]

https://tenor.com/view/laughing-lol-lmao-drake-odell-gif-18111780

[dense leaf]

just took 112 20 second subs

37 minutes

[dense leaf]

someone roast

[lament minnow]

no, you are doing well

you are getting there

[dense leaf]

🥹🥹🥹🥹🥹🥹🥹🥹

hopefully gonna get 8 hours total next week

ts gonna be great

[lament minnow]

o:

[tepid berry]

Why is it yellow

And contrast is missing

Also what is that noise

Just a bad imagine in general

[dense leaf]

hopefully i say*

[dense leaf]

oh it’s yellow because i didint wanna stretch it too much so the noise wouldn’t be too noticeable and since when you print you get higher contrast i figured i’d just keep the low noise

Nd it worked

i love ts

[livid shale]

How does ts look better printed than not

[dense leaf]

cant pixel peep and higher contrast

[zenith fossil]

Tea

Wtf

This is roast my image

You just roast

[zenith fossil]

have you ever used a contrast slider in your life

See

There’s how you do it

[zenith fossil]

Were your last two brain cells battling to see who could process worse

[dense leaf]

reading is free bruh

[zenith fossil]

huh

its got balls contrast

in the printed too

you can take down the contrast without introducing much noise at all

[dense leaf]

kinda yeah, the second one got this

[dense leaf]

https://tenor.com/view/cat-no-nonono-noooo-cat-no-gif-13597132752790194338

[zenith fossil]

ur second process is this?

how did you regress

so much

[dense leaf]

no thats the first braincell, it got sidetracked

i just denoised the hell out of that😭

[zenith fossil]

Neva process again

[tribal saffron]

try again

[dense leaf]

oml bro my good process is great wyo

[zenith fossil]

💀

[dense leaf]

im using a 15 year old camera, mount older than me, shattered scope and that is like my 3rd process

[zenith fossil]

You are the Epstein of equipment

[dense leaf]

https://tenor.com/view/robert-downey-jr-huh-what-iron-man-surprised-gif-17639389346286804402

what the fyck does that even mean

[meager bone]

I'm pretty sure 15 is a bit too old for epstein

[dense leaf]

https://tenor.com/view/robert-downey-jr-huh-what-iron-man-surprised-gif-17639389346286804402

[median skiff]

https://tenor.com/view/stare-cat-gif-9562158984691048737

[lament minnow]

https://tenor.com/view/stare-cat-gif-9562158984691048737

[tribal saffron]

\

[tepid berry]

What is the most epsteinable age

[meager bone]

Idk

Probably something below 10

[tepid berry]

How do you know?

https://tenor.com/view/erik-king-james-doakes-dexter-dexter-meme-james-doakes-dexter-gif-11521699866060863591

[obtuse trellis]

What the hell?

Naaa... I'm done here

[viral helm]

Bruh 💀 that popped up on my notifications in front of my mum

[meager bone]

I dont

[meager bone]

Lmao

[north juniper]

So let me get this straight, you decide to have an actually great image in this channel, but the audacity to use a format that compresses it and makes it look worse?