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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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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

5282 Views

Last post by bobharmony
Sun Jan 19, 2020 3:01 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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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

11133 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

1445 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

2247 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

1531 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

1716 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

1752 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

1216 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

3675 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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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

7300 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

2446 Views

Last post by sebasb21
Wed Jan 08, 2020 9:06 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

3215 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

2642 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

3499 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

1693 Views

Last post by Stuart
Fri Jan 03, 2020 5:53 pm
Calibration frames with ZWO ASI1600MM Pro Mono

Last post by Baskevo « Wed Jan 01, 2020 12:28 pm
Replies: 2
by Baskevo » Wed Jan 01, 2020 6:34 am

First post

Hi guys,

I just had a few quick questions that I keep finding conflicting info on, and I wanted to see what you all think, regarding calibration...

Last post

For your flats you should use the same gain/offset and temperature as your lights. Strictly, same temperature is not required but since you need to...

2 Replies

2332 Views

Last post by Baskevo
Wed Jan 01, 2020 12:28 pm
Combining Dark Files

Last post by Juno16 « Tue Dec 31, 2019 11:33 pm
Replies: 6
by Juno16 » Tue Dec 31, 2019 9:43 pm

First post

Hey all,

This might sound kind of funny, but I am curious if it is acceptable to use, say, 20 dark files at 30 degrees and 20 dark files at 50...

Last post

I don't think the hue matters. Sometimes when I'm lazy I take them the next morning from a blue sky instead of at night against a white wall, I can't...

6 Replies

1675 Views

Last post by Juno16
Tue Dec 31, 2019 11:33 pm
New ZWO ASI120MC-S received now looking for software needed:

Last post by Smitty « Mon Dec 30, 2019 4:00 am
Replies: 4
by Smitty » Mon Dec 30, 2019 1:03 am

First post

Received a ZWO ASI120MC-S camera and have downloaded ASICAP and SharpCap. I am extremely new to AP and have only futzed around with my DSLR being...

Last post

SharpCap is good. You can do live stacking that way (EAA or VA or whatever the heck they are calling it nowadays).

SharpCap will also facilitate...

4 Replies

1814 Views

Last post by Smitty
Mon Dec 30, 2019 4:00 am
New Noise Reduction Technique?

Last post by STEVE333 « Mon Dec 30, 2019 1:23 am
Replies: 11
by STEVE333 » Sun Dec 29, 2019 6:26 am

First post

Because of the fairly high Light Pollution in my area I'm always fighting noise. Using PixInsight, he following is a new technique I've tried that...

Last post

Hi Steve,
It's basically a smoothing expression. It can possibly work for nonlinear--you just need to update the a and b values. But I wouldn't.
So...

11 Replies

3336 Views

Last post by STEVE333
Mon Dec 30, 2019 1:23 am
How to combine RGB with HOO narrowband in PI?

Last post by Stuart « Fri Dec 27, 2019 6:19 pm
Replies: 2
by Stuart » Thu Dec 26, 2019 11:12 pm

First post

Hi all,
Working with an image (not ready to post yet). It's a planetary nebula that has a lot of Ha and O3, and I have LRGB as well as Ha and O3...

Last post

Thanks JimMin! I have the script. I'll try the other one, though.
I have another idea, I've been playing around with the SCNR with some masking.

2 Replies

1258 Views

Last post by Stuart
Fri Dec 27, 2019 6:19 pm
First attempt at mosaic

Last post by 1jimalexander « Thu Dec 26, 2019 7:25 pm
Replies: 4
by 1jimalexander » Thu Dec 12, 2019 8:46 pm

First post

I'm trying to create a 4 panel mosaic.
Files: 10 dark, 24 frames of Ha for each panel. I created the panels with SGP mosaic wizard.
I,m just doing...

Last post

OK then....getting up to speed with PixInsight. I've got the book by Warren A. Keller and I've been viewing video tutorials.
I'm having trouble...

4 Replies

1668 Views

Last post by 1jimalexander
Thu Dec 26, 2019 7:25 pm
Software

Last post by DaveM « Thu Dec 26, 2019 10:26 am
Replies: 7
by RC83 » Mon Dec 23, 2019 7:16 pm

First post

Hi guys,

What does everyone use to process their images? I know photoshop is very popular but I've also heard it has become expensive. Are there any...

Last post

Astro Pixel Processor, a game changer! (and affordable)

Dave

7 Replies

1998 Views

Last post by DaveM
Thu Dec 26, 2019 10:26 am
I can't see star clusters with my phone!

Last post by Seawolfe « Tue Dec 24, 2019 7:01 pm
Replies: 3
by StarGazer45 » Tue Dec 24, 2019 1:59 pm

First post

I've moved to a large terrain far away from the city, so I guess you know what I've been doing. :lol:

I'm trying to take a photo of some star...

Last post

Maybe you need to call the operator or pay for those long distance calls once in a while. :lol: :whistle:

3 Replies

1367 Views

Last post by Seawolfe
Tue Dec 24, 2019 7:01 pm
Milkyway .. HOW DID I DO? with limited experience...

Last post by Scott Maze « Tue Dec 24, 2019 3:08 am
Replies: 7
by Scott Maze » Wed Nov 27, 2019 1:09 pm

First post

Are these OK results... considering originals were on cellphone in September... unplanned...

Last post

before you do head out make sure to head on back here and some of us can help with your pre setup. camera settings, and determine the exposure length...

7 Replies

2052 Views

Last post by Scott Maze
Tue Dec 24, 2019 3:08 am
DeepSkyStacker and Satellite Trails

Last post by STEVE333 « Sat Dec 21, 2019 8:48 pm
Replies: 17
by Juno16 » Thu Dec 19, 2019 7:42 am

First post

Hi Everyone,

I was imaging the Horsehead and Flame this evening and the last 8 images had satellite trails (I am sure that many more did too)....

Last post

Hi Jim - Just a point of reference. My HP laptop information is shown below. My laptop takes 3 min 36 sec to perform the Starnet process on a 32 bit...

17 Replies

5390 Views

Last post by STEVE333
Sat Dec 21, 2019 8:48 pm

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