Image processing

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Image processing

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Last post

Video converting and stacking?

Last post by yobbo89 « Mon Jan 27, 2020 11:58 am
Replies: 4
by bigfish » Mon Jan 27, 2020 6:03 am

First post

Hello,

I'm wondering if I can convert video to separate frames then stack them in something like Deep Sky Stacker?
My phone takes 4K UHD mp4 Video....

Last post

I use pipp to convert to tiff from avi then stack in autostakkert, it lets me find the good frames for say 3-4 out of 6000 when i'm imaging the space...

4 Replies

35 Views

Last post by yobbo89
Mon Jan 27, 2020 11:58 am
Corrupted AVI File

Last post by Sky « Sun Jan 26, 2020 4:04 pm
Replies: 6
by JayTee » Sat Jan 25, 2020 3:27 am

First post

Hi,

Yesterday I shot some video using my ASI120MC capturing with SharpCap 3.2 of the sunset that included the green flash and possibly the purple...

Last post

DivFix++ is a good repair program. However, VLC should also be able to recover your AVI file using the following instrutions.

Open the VLC app and...

6 Replies

102 Views

Last post by Sky
Sun Jan 26, 2020 4:04 pm
How to measure an object in an image in pixels?

Last post by UlteriorModem « Sat Jan 25, 2020 9:19 pm
Replies: 5
by UlteriorModem » Thu Jan 23, 2020 5:54 pm

First post

Greetings,

I am in the process of trying to chase down just where some dust motes are. There are calculators that will tell you the distance all you...

Last post

Okay thought I would get back to this and mention a few things that can be done in PI.

1.) Place the cursor at one side of the object. Make a note...

5 Replies

89 Views

Last post by UlteriorModem
Sat Jan 25, 2020 9:19 pm
SGP Manual pre processing, what order?

Last post by UlteriorModem « Wed Jan 22, 2020 11:48 pm

by UlteriorModem » Wed Jan 22, 2020 11:48 pm

So you might have seen a post where I gave up on batch pre-processing. Mostly it was not calibrating correctly. But tonight working on some data that...

0 Replies

31 Views

Last post by UlteriorModem
Wed Jan 22, 2020 11:48 pm
I give up on Batch pre processing!

Last post by UlteriorModem « Wed Jan 22, 2020 12:32 am

by UlteriorModem » Wed Jan 22, 2020 12:32 am

For whatever reason Both Batch Pre Processing and Weighted Batch pre processing both fail to calibrate.. badly!

WBPP Results by Tom Whit , on...

0 Replies

47 Views

Last post by UlteriorModem
Wed Jan 22, 2020 12:32 am
Bad result with Lens Projection technique

Last post by JimMinCT « Tue Jan 21, 2020 5:05 pm
Replies: 4
by maksovnik » Tue Jan 21, 2020 11:06 am

First post

Hi there, I tried to take an image of the M42 Orion Nebula using 20mm Wide Angle eyepiece projection with a T ring adapter on my Nikon D3200 and my...

Last post

Hi there, I did some research and am struggling to see the difference between Afocal and Eyepiece projection. I can't just hold my camera to the...

4 Replies

75 Views

Last post by JimMinCT
Tue Jan 21, 2020 5:05 pm
PI / Starnet++ help?

Last post by UlteriorModem « Sun Jan 19, 2020 3:15 pm
Replies: 19
by UlteriorModem » Sat Jan 18, 2020 2:42 pm

First post

I finally got around to trying Starnet in PI. I got the process module to load fine. It 'seems' to be working as it takes a long time to crunch the...

Last post

Ah thanks for reminding me I need to update my sig :D

19 Replies

237 Views

Last post by UlteriorModem
Sun Jan 19, 2020 3:15 pm
Using "Astrophotography Lab" to Determine Optimum Exposure Time

Last post by bobharmony « Sun Jan 19, 2020 3:01 am
Replies: 25
by STEVE333 » Tue Jan 14, 2020 6:42 pm
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2
First post

Astrophotography Lab is a free program that can be used to determine the noise characteristics of your camera/telescope combination including the...

Last post

Sorry you are having so much trouble with the AVX, JT. Since I tweaked the gear mesh for DEC and RA on the ASGT, I toss about 1 sub in 25 (knocks...
25 Replies

529 Views

Last post by bobharmony
Sun Jan 19, 2020 3:01 am
PI Problems: MLT

Last post by UlteriorModem « Sat Jan 18, 2020 2:24 pm
Replies: 3
by Baskevo » Sat Jan 18, 2020 1:17 pm

First post

Hi everyone,

I have always had this issue, and it is starting to get really annoying... Especially with narrowband where I have entire frames filled...

Last post

I'm not sure why this happens but it does from time to time. The idea of keeping a process icon is a good one.

3 Replies

68 Views

Last post by UlteriorModem
Sat Jan 18, 2020 2:24 pm
Sequator : new kid on the block....

Last post by maceemiller « Thu Jan 16, 2020 6:34 am
Replies: 3
by Piet Le Roux » Wed Jan 15, 2020 7:44 am

First post

I have just started with AP and have tried to do some stacking with RegiStax but found it a bit overwhelming then I came across Sequator and that...

Last post

I use sequator as in deepskystacker I always end up with an image so dark that even in photoshop I can hardly get any stars to show.

3 Replies

122 Views

Last post by maceemiller
Thu Jan 16, 2020 6:34 am
Astrophotography Lab - A Limited Overview

Last post by UlteriorModem « Thu Jan 16, 2020 3:18 am
Replies: 51
by STEVE333 » Mon Jan 13, 2020 5:36 am
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2

3
First post

Astrophotography Lab is a free program (Windows or Linux) that can be used to determine the magnitude of the noise sources in your astrophotography...

Last post

Anchor post is the first post that started the thread :)

Thanks I remembered to bookmark it.

I did follow that tutorial pretty much to the letter...
51 Replies

715 Views

Last post by UlteriorModem
Thu Jan 16, 2020 3:18 am
Keeping the diffraction spikes in a final image

Last post by UlteriorModem « Wed Jan 15, 2020 6:09 pm
Replies: 3
by jazzin » Sun Jan 12, 2020 7:05 pm

First post

I use PixInsight to process my images and It seems every star cluster I've imaged, the diffraction spikes get killed during processing but I would...

Last post

Try changing the high sigma rejection on stacking.

This, also maybe turn off large scale pixel rejection.

3 Replies

131 Views

Last post by UlteriorModem
Wed Jan 15, 2020 6:09 pm
List of AP software applications

Last post by Graeme1858 « Wed Jan 15, 2020 6:33 am
Replies: 9
by Kanadalainen » Tue Jan 14, 2020 1:59 pm

First post

Hello all,

I'm getting my feet wet in astro photography and was curious as to the extent of applications out there. I have been trying some...

Last post

I'm too over-wrought and brain-fried

That doesn't sound good!!!

9 Replies

184 Views

Last post by Graeme1858
Wed Jan 15, 2020 6:33 am
Can you have too many images to stack?

Last post by maceemiller « Mon Jan 13, 2020 10:15 am
Replies: 4
by maceemiller » Mon Jan 13, 2020 7:35 am

First post

Hi all.

Just a quick question. I've 294 X 1 second images of the Orion nebula taken at 800 ISO on my DSLR taken at 200mm (I've no tracking on my...

Last post

Could you upload a hand full of raw files.

I will when I get in from work

4 Replies

117 Views

Last post by maceemiller
Mon Jan 13, 2020 10:15 am
StarTools color fix

Last post by SKEtrip « Mon Jan 13, 2020 2:31 am
Replies: 6
by SKEtrip » Sat Jan 11, 2020 11:21 pm

First post

With several inches of snow on .2 of ice I'm just practicing processing with some old shots.
Came across this image of the moon. One of the first...

Last post

Well done. I'm not a particular fan of green cheese. I usually scrape the green parts off.

A prudent course of action!
Thanks!
Yep, StarTools...

6 Replies

156 Views

Last post by SKEtrip
Mon Jan 13, 2020 2:31 am
Pixinsight, update rant!

Last post by Stuart « Sat Jan 11, 2020 6:24 pm
Replies: 5
by UlteriorModem » Thu Jan 09, 2020 9:04 pm

First post

So I ran into a few 'glitches' in PI that allegedly have been corrected in more recent versions. I had not updated since May of last year.

Evidently...

Last post

I went on the website yesterday, and you're right, it was slow. They must be having server issues.

5 Replies

153 Views

Last post by Stuart
Sat Jan 11, 2020 6:24 pm
Advanced PixInsight course to be held March 2020 in Buffalo

Last post by Stuart « Sat Jan 11, 2020 4:15 pm
Replies: 2
by Stuart » Fri Jan 10, 2020 5:07 pm

First post

Hi all,
Warren Keller is having an advanced PI course in Buffalo on March 14-15, if you're interested

Last post

Hey Yobbo,
In this class Warren and Ron assume people know the basics of PI. It's an advanced class.

2 Replies

82 Views

Last post by Stuart
Sat Jan 11, 2020 4:15 pm
Aligning R G B images

Last post by yobbo89 « Wed Jan 08, 2020 6:31 pm
Replies: 17
by Star Dad » Mon Jan 06, 2020 7:24 pm

First post

Hi All - I am doing a presentation for some Girl Scouts tomorrow and am in dire straits. The R,G,B images were taken by a NASA telescope and sent to...

Last post

good job, congrats on the seminar .

17 Replies

259 Views

Last post by yobbo89
Wed Jan 08, 2020 6:31 pm
Flats

Last post by Mac « Wed Jan 08, 2020 6:04 pm
Replies: 30
by Mac » Sat Jan 04, 2020 1:13 am
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2
First post

Like every good AP'r I am trying to learn imaging properly which would include taking flats. I've not used any in my processing thus far.

Are 20...

Last post

If you upload the master I could look at it. It'll give a similar reading.

I need to create new ones and setup the scope. There may be a few hours...
30 Replies

464 Views

Last post by Mac
Wed Jan 08, 2020 6:04 pm
As newbie as it gets

Last post by sebasb21 « Wed Jan 08, 2020 9:06 am
Replies: 10
by sebasb21 » Mon Jan 06, 2020 11:50 pm

First post

Hi,

So you will have to have some patience here, i hope this is a good place to post this.

I have Celestron reflector on a crappy mount (i think...

Last post

Tried Autostakker and managed to stack some frames from a quick video i took from the same session. Really impressed! It managed to improve quite a...

10 Replies

204 Views

Last post by sebasb21
Wed Jan 08, 2020 9:06 am
Stacking FLATS multiple nights

Last post by Baskevo « Wed Jan 08, 2020 7:22 am
Replies: 13
by Baskevo » Tue Jan 07, 2020 1:46 pm

First post

Hi yall,

Quick question: I'm going to be stacking from multiple nights, and I took flats/dark flats on each night. If I run Pixinsight's Weighted...

Last post

Try it both ways and see what you get.

Thats a good plan. I have 4 different things to try... I have 2 sets of flats for 3 different filters, 2...

13 Replies

253 Views

Last post by Baskevo
Wed Jan 08, 2020 7:22 am
Plate solving for multi-session images?

Last post by Juno16 « Mon Jan 06, 2020 12:25 pm
Replies: 10
by starfield » Wed Jan 01, 2020 9:12 pm

First post

Hi all,

I'm looking to capture some more data for an image of the horsehead nebula that I snagged a couple of weeks back. I'd like to be able to...

Last post

Cool!

I really like Astrophotography Tool and have great success blind solving in about 20 seconds with All Sky Plate Solver.

I tried NINA, but it...

10 Replies

311 Views

Last post by Juno16
Mon Jan 06, 2020 12:25 pm
Starnet++ for Mac

Last post by yobbo89 « Sat Jan 04, 2020 2:52 pm
Replies: 7
by Baskevo » Sat Jan 04, 2020 1:13 pm

First post

Hi guys,

So I'm trying to work through STEVE333 process in PI, and I've gotten to the starnet++ part. I'm trying to install it, but I've been having...

Last post

does your cpu support avx instructions ?

edit: never mind, i read you have it working.

7 Replies

116 Views

Last post by yobbo89
Sat Jan 04, 2020 2:52 pm
What's Going On With My Stars?

Last post by UlteriorModem « Sat Jan 04, 2020 2:27 pm
Replies: 18
by Juno16 » Fri Jan 03, 2020 1:55 am

First post

Hi Everyone,

I have been fighting with processing a Rosette nebula image for the past few days. Initially, I really liked it. Then, on closer...

Last post

Hey Jim?

While I was doing some research yesterday I had another thought. Do you know what your arc second per pixel scale is?

If not go here and...

18 Replies

254 Views

Last post by UlteriorModem
Sat Jan 04, 2020 2:27 pm
PI ... all channels exactly the same?

Last post by Stuart « Fri Jan 03, 2020 5:53 pm
Replies: 6
by UlteriorModem » Sat Dec 28, 2019 2:58 pm

First post

I posted this over on PI's forum but thought I would also post it here. Hopefully someone might have an idea. Might also help someone in the future...

Last post

Hey Tom, I'm glad you fixed the problem.

6 Replies

210 Views

Last post by Stuart
Fri Jan 03, 2020 5:53 pm

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