Image processing

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Comet Stacking Tuturial and Processing

Last post by TheButcher « Sun Mar 29, 2020 1:30 am

by TheButcher » Sun Mar 29, 2020 1:30 am

Hey All,

With Comet Atlas on the scene now I thought I would make up a tutorial for how to stack it and process it with DSS and process it with...

0 Replies

12 Views

Last post by TheButcher
Sun Mar 29, 2020 1:30 am
Startools

Last post by Juno16 « Sat Mar 28, 2020 11:32 am
Replies: 17
by Graeme1858 » Mon Mar 23, 2020 1:40 am

First post

A question for the Startools experts.

When I use Startools for processing the fits file created by DSS it takes forever to do anything! I just...

Last post

Lastly there are also some changes to the DSS settings you can make that should help achieve a more optimal dataset Have a look here for the most...

17 Replies

231 Views

Last post by Juno16
Sat Mar 28, 2020 11:32 am
Sky glow... Leave it of delete?

Last post by Larry 1969 « Fri Mar 27, 2020 2:53 pm
Replies: 13
by Larry 1969 » Thu Mar 26, 2020 4:34 pm

First post

Hello all!
I spent all night on M106 and going through my subs I see the first 200 min or so the frames are quite a bit brighter than the last 270...

Last post

Thanks again Bob!
I didn't realize that but I went ahead and lowered the SD threshold to 12% and it detected 320 stars and all 129 images stacked....

13 Replies

145 Views

Last post by Larry 1969
Fri Mar 27, 2020 2:53 pm
Bad Flats or LP?

Last post by STEVE333 « Wed Mar 25, 2020 8:04 pm
Replies: 14
by Baskevo » Tue Mar 24, 2020 6:06 am

First post

I don't know if anyone can tell me this, but does this look like my flats are over-correcting? Or could this just simply be the heavy light...

Last post

I'm glad I'm not the only one who sees the difference! :dance: and that I can help fellow APers! Please keep me posted on your testing, if you get...

14 Replies

169 Views

Last post by STEVE333
Wed Mar 25, 2020 8:04 pm
Mac software for stacking

Last post by Mac « Tue Mar 24, 2020 3:32 pm
Replies: 3
by MTM310 » Tue Mar 24, 2020 12:48 am

First post

Hello all,

I downloaded the 45 day trail period for PixInsight - and man that's a beast. I've been looking at video's and reading about flats/blacks...

Last post

hello friend :). I was looking for you on FB
is that under process tab?

Yes, it is. Contact me on FB Messenger and I will help you through it.

3 Replies

55 Views

Last post by Mac
Tue Mar 24, 2020 3:32 pm
Merge Moon

Last post by ArnaudG « Tue Mar 24, 2020 3:13 am
Replies: 4
by Frankrd80 » Sat Feb 15, 2020 5:57 am

First post

Hey guys I have 4 pic of the moon each one is a section, I would merge all these pics in one, I have Mac .

which program do you recommend ?

thanks

Last post

Hello,
You can stitch images together using photoshop.
Open your images with photoshop, then:
File / Automate / Photomerge

4 Replies

220 Views

Last post by ArnaudG
Tue Mar 24, 2020 3:13 am
Comet Processing Tips and questions?

Last post by TheButcher « Mon Mar 23, 2020 2:41 pm

by TheButcher » Mon Mar 23, 2020 2:41 pm

Hey all,

I am just wondering if anyone has some god tips on processing comets. I recently captured The Atlas comet and tried stacking it in DSS in...

0 Replies

36 Views

Last post by TheButcher
Mon Mar 23, 2020 2:41 pm
Dark Frames - Offset

Last post by starfield « Sun Mar 22, 2020 11:44 pm
Replies: 2
by starfield » Sun Mar 22, 2020 7:27 pm

First post

So, looks like a week more of clouds and stuck here in the house. I decided to update my darks library and I had one question. Depending on my...

Last post

You will need one set of darks for each matching duration, gain, offset, and temperature.

Thanks. —Steve

2 Replies

55 Views

Last post by starfield
Sun Mar 22, 2020 11:44 pm
One day at a time - Image processing

Last post by Tailspin45 « Sun Mar 22, 2020 5:30 pm
Replies: 30
by Tailspin45 » Thu Mar 05, 2020 6:30 pm
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2
First post

Several days ago I manage to get almost everything set up right and captured a bunch of images of the Orion Nebula (M42).

I say, almost everything...

Last post

Finally had a clearish sky last night. Quick and dirty first look at a stack produced on the fly by SharpCap.

M42 3-21-20.jpg

Lots more work to...
30 Replies

1257 Views

Last post by Tailspin45
Sun Mar 22, 2020 5:30 pm
Nebulosity 4

Last post by cbweb « Tue Mar 17, 2020 6:23 pm

by cbweb » Tue Mar 17, 2020 6:23 pm

Hello.

I'm trying some image processing
With Nebulosity 4. It has align combine routines for stacking sets of lights,
Darks, flats. However, align...

0 Replies

109 Views

Last post by cbweb
Tue Mar 17, 2020 6:23 pm
Is this vignetting?

Last post by Star Dad « Tue Mar 17, 2020 4:18 pm
Replies: 26
by Larry 1969 » Mon Mar 16, 2020 2:30 pm
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2
First post

Hello all!

I've recently noticed this in my images during processing and, being pretty new to it, was wondering if this is what you all call...

Last post

Many times I find going simply to wipe will reveal that large light border area . Even after I have cropped the image. I finally decided that the...
26 Replies

417 Views

Last post by Star Dad
Tue Mar 17, 2020 4:18 pm
More flats questions! What ADU value?

Last post by Stuart « Tue Mar 17, 2020 3:31 am
Replies: 1
by Baskevo » Tue Mar 17, 2020 12:28 am

First post

Hi guys,

I have been shooting in narrowband only since I got my ZWO ASI1600mm Pro. When taking flats, I usually go for a median ADU value of 32k,...

Last post

32,000 is fine. Anywhere near 1/2 your full well capacity. 20,000 is fine too. 12K is probably a bit low.

1 Replies

107 Views

Last post by Stuart
Tue Mar 17, 2020 3:31 am
PI Problems: MLT

Last post by STEVE333 « Tue Mar 10, 2020 11:50 pm
Replies: 4
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

Hi James - I use MLT for noise reduction on every image while still in the Linear state. It always reduces my noise.

I have an idea about what may...

4 Replies

224 Views

Last post by STEVE333
Tue Mar 10, 2020 11:50 pm
BasicCCDParamaters Script

Last post by STEVE333 « Tue Mar 10, 2020 10:16 pm
Replies: 1
by Baskevo » Thu Jan 30, 2020 9:16 pm

First post

Hi guys,

So I'm trying to figure out the correct gain e/ADU value for the Subframe Selector process in PixInsight. I am running 2 flats, 2 darks,...

Last post

Hi James - The info below is from the Highpoint Scientific website for the ASI1600MM Pro. Most of the camera parameters are already calculated for...

1 Replies

163 Views

Last post by STEVE333
Tue Mar 10, 2020 10:16 pm
Dark Frame Scaling ??

Last post by Jockinireland « Mon Mar 09, 2020 8:30 pm
Replies: 5
by Jockinireland » Sun Mar 08, 2020 9:31 pm

First post

I have been looking into the Dark Frame Scaling process within Astro Pixel Processor.

Now this seems to me like it is a bit of a godsend fo DSLR...

Last post

I seem to have missed the link. Here it is

Rgds
David

5 Replies

283 Views

Last post by Jockinireland
Mon Mar 09, 2020 8:30 pm
Some funky colors in Registax? - Lunar processing

Last post by UlteriorModem « Sun Mar 08, 2020 5:38 pm
Replies: 8
by UlteriorModem » Sat Mar 07, 2020 10:05 pm

First post

I was working with this data in Registax for the wavelets, and sharpening.

Tried one of my old templates all these blotchy color patches showed up...

Last post

Aha! found the issue! I had Autostakkert set to 'planetary' instead of surface. One little change made a big difference! :D

Over stretched it a tad...

8 Replies

364 Views

Last post by UlteriorModem
Sun Mar 08, 2020 5:38 pm
Bad stars

Last post by Baskevo « Thu Mar 05, 2020 10:50 pm
Replies: 33
by spectre » Sun Oct 06, 2019 9:09 pm
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2
First post

Hi All,
I have been having some problems with deformed stars as well as color gradients across the stars. This is only 12 X 60 seconds of NGC 7789...

Last post

James,

You are, by far, the most snake-bit guy I've come across since coming back to this hobby (which includes forum posting) full-time in 2012....
33 Replies

1534 Views

Last post by Baskevo
Thu Mar 05, 2020 10:50 pm
MaxIm DL Pro 6.21 from Diffraction Limited

Last post by NoDarkSkies « Tue Mar 03, 2020 7:22 pm
Replies: 5
by NoDarkSkies » Mon Mar 02, 2020 9:51 pm

First post

Is MaxIm DL Pro 6.21 still a product you should get and use.
I had this back in 2003-05 and paid a great deal to update to the current version.
I am...

Last post

I guess it was a good buy then, Thanks

5 Replies

227 Views

Last post by NoDarkSkies
Tue Mar 03, 2020 7:22 pm
Anyone Else Having Problems With Starnet?

Last post by Astrovetteman « Mon Mar 02, 2020 2:57 am
Replies: 4
by Astrovetteman » Sat Feb 29, 2020 9:39 pm

First post

I just downloaded the newest release of Pixinsight and tried to put Starnet++ into my process icons and could not get it to load. I m running OS X...

Last post

Nope, it just won't load. I looked on the PI Forum and it looks like others are having the same problem.
Tom

Is it a PI issue, or an Apple issue?...

4 Replies

187 Views

Last post by Astrovetteman
Mon Mar 02, 2020 2:57 am
Bias duration?

Last post by Stuart « Tue Feb 25, 2020 3:28 am
Replies: 16
by UlteriorModem » Thu Feb 20, 2020 9:45 pm

First post

I know the basic rule for Bias duration is As short as possible .

But I just looked up the specs for the ASI071mc and its minimum shutter speed is...

Last post

Hey Tom,
Here is a bias frame

16 Replies

449 Views

Last post by Stuart
Tue Feb 25, 2020 3:28 am
Pixelmath + Starnet Question

Last post by Baskevo « Mon Feb 24, 2020 9:18 pm
Replies: 12
by Baskevo » Thu Feb 20, 2020 1:13 am

First post

Hi guys!

I'm working on a new project, and half of my data is crap because of the stars... I'm working on a fix, but for now, I have an idea!

So,...

Last post

Hi James - Here is a third way to consider (just in case you aren't thoroughly confused :confusion-confused: ).
1) Produce your version with good...

12 Replies

371 Views

Last post by Baskevo
Mon Feb 24, 2020 9:18 pm
Proper flat frames with DSLR?

Last post by Larry 1969 « Sun Feb 23, 2020 5:45 am
Replies: 15
by Larry 1969 » Sat Feb 22, 2020 4:10 pm

First post

Hello all!
I recently got one of those led light boards to start taking flats with.
The first time I used it I didn't have camera connected to my...

Last post

Thanks!
I'll work on it tomorrow.
I shot M44 and M86 last night and I had a tough time processing them. I suspected the flat frames. I'm shooting...

15 Replies

290 Views

Last post by Larry 1969
Sun Feb 23, 2020 5:45 am
DSLR Darks Question

Last post by JayTee « Sat Feb 22, 2020 8:52 pm
Replies: 1
by Juno16 » Sat Feb 22, 2020 4:06 pm

First post

Hi Everyone,

I am a dslr imager and I always shoot darks at the end of my session. Last night (this morning) it was 33 degrees F when I shot darks....

Last post

As long as the exposure time and the ISO all match with the lights then use all of those darks.

Cheers,
JT

1 Replies

146 Views

Last post by JayTee
Sat Feb 22, 2020 8:52 pm
FITs Headers in APT

Last post by Graeme1858 « Thu Feb 20, 2020 11:55 am
Replies: 4
by Graeme1858 » Mon Feb 17, 2020 6:39 pm

First post

Does anyone know how to get APT to display the FITs header information in the FITs Header dialogue box that opens when you click the Info button at...

Last post

Correction! APT does display image statistics.

The Maximum and Median figures for an image can be displayed in the Pixel Aid window which is opened...

4 Replies

268 Views

Last post by Graeme1858
Thu Feb 20, 2020 11:55 am
How often to dither.

Last post by Stuart « Thu Feb 20, 2020 3:23 am
Replies: 1
by starfield » Wed Feb 19, 2020 8:22 pm

First post

So I added dithering to my imaging routine this past weekend. It worked! Question I now have is how frequently should I dither? For a 2 or 3 minute...

Last post

Between every frame.

1 Replies

162 Views

Last post by Stuart
Thu Feb 20, 2020 3:23 am

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