Image processing and analysis

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FITS image flip

Last post by Bernd Koch « 19 Jan 2021, 18:58
Replies: 2
by Bernd Koch » 19 Jan 2021, 13:22

2 Replies

41 Views

Last post by Bernd Koch
19 Jan 2021, 18:58
flat frames problem

Last post by fabdev « 18 Jan 2021, 14:21
Replies: 4
by maplearn » 17 Jan 2021, 09:24

4 Replies

52 Views

Last post by fabdev
18 Jan 2021, 14:21
Astroart stacking error with flipped images

Last post by fabdev « 10 Jan 2021, 12:35
Replies: 5
by einari » 07 Jan 2021, 07:14

5 Replies

107 Views

Last post by fabdev
10 Jan 2021, 12:35
"Donuts" after synthetic gradient correction

Last post by AstroBernd « 30 Dec 2020, 17:36
Replies: 2
by AstroBernd » 29 Dec 2020, 17:58

2 Replies

77 Views

Last post by AstroBernd
30 Dec 2020, 17:36
focus on emissionline by calibration spectrograph

Last post by merlin66 « 05 Dec 2020, 15:51
Replies: 1
by ebry » 05 Dec 2020, 09:22

1 Replies

76 Views

Last post by merlin66
05 Dec 2020, 15:51
darks

Last post by Dunmunro « 14 Nov 2020, 18:37
Replies: 3
by stevety » 10 Nov 2020, 22:25

3 Replies

199 Views

Last post by Dunmunro
14 Nov 2020, 18:37
asrtroart 7 what debrayer pattern for color zwo294

Last post by fabdev « 03 Nov 2020, 12:47
Replies: 1
by stevety » 02 Nov 2020, 18:14

1 Replies

176 Views

Last post by fabdev
03 Nov 2020, 12:47
Statistics window: exclude edge columns/ rows?

Last post by AstroBernd « 11 Oct 2020, 11:20
Replies: 2
by AstroBernd » 08 Oct 2020, 17:13

2 Replies

236 Views

Last post by AstroBernd
11 Oct 2020, 11:20
How does "software binning 2 x 2" DSLR RAW work?

Last post by fabdev « 06 Oct 2020, 11:06
Replies: 3
by andyho » 04 Oct 2020, 22:35

3 Replies

284 Views

Last post by fabdev
06 Oct 2020, 11:06
Make all images same size/crop all?

Last post by fabdev « 05 Oct 2020, 10:28
Replies: 1
by Rudi » 04 Oct 2020, 05:40

1 Replies

235 Views

Last post by fabdev
05 Oct 2020, 10:28
Sigma stacking of images before/after meridian flip

Last post by Stefan_Lilge « 01 Sep 2020, 10:52
Replies: 6
by Stefan_Lilge » 28 Aug 2020, 19:29

6 Replies

641 Views

Last post by Stefan_Lilge
01 Sep 2020, 10:52
removing the bright sun from an image

Last post by merlin66 « 09 Aug 2020, 22:33
Replies: 6
by cardanoc » 30 Jul 2020, 19:10

6 Replies

924 Views

Last post by merlin66
09 Aug 2020, 22:33
Airmass calculation

Last post by VAastro « 19 Jul 2020, 15:23
Replies: 4
by VAastro » 15 Jul 2020, 20:01

4 Replies

810 Views

Last post by VAastro
19 Jul 2020, 15:23
Images from PanSTARRS

Last post by fabdev « 24 Jun 2020, 15:03

by fabdev » 24 Jun 2020, 15:03

0 Replies

660 Views

Last post by fabdev
24 Jun 2020, 15:03
Precision loss during stacking when input is in integer FITS format

Last post by EHEA « 10 Jun 2020, 23:33
Replies: 2
by EHEA » 10 Jun 2020, 17:08

2 Replies

688 Views

Last post by EHEA
10 Jun 2020, 23:33
Stars coloring

Last post by Rudi « 16 May 2020, 10:29
Replies: 3
by Rudi » 15 May 2020, 09:51

3 Replies

1195 Views

Last post by Rudi
16 May 2020, 10:29
Follow minor planet - or comet

Last post by einari « 30 Apr 2020, 19:01
Replies: 4
by einari » 13 Apr 2020, 15:12

4 Replies

1178 Views

Last post by einari
30 Apr 2020, 19:01
Using FFT to remove Newton Rings in solar image?

Last post by merlin66 « 26 Apr 2020, 01:45
Replies: 2
by merlin66 » 25 Apr 2020, 00:46

2 Replies

838 Views

Last post by merlin66
26 Apr 2020, 01:45
Add and Average images

Last post by fabdev « 25 Apr 2020, 20:29
Replies: 8
by VAastro » 17 Apr 2020, 14:59

8 Replies

1791 Views

Last post by fabdev
25 Apr 2020, 20:29
AA7: no alignment, no star registration with sample data

Last post by docMario « 20 Apr 2020, 19:04
Replies: 2
by docMario » 20 Apr 2020, 16:30

2 Replies

704 Views

Last post by docMario
20 Apr 2020, 19:04
astrometric indicator

Last post by fabdev « 14 Apr 2020, 18:49
Replies: 1
by ebry » 14 Apr 2020, 09:29

1 Replies

704 Views

Last post by fabdev
14 Apr 2020, 18:49
Diffraction spikes

Last post by fabdev « 13 Apr 2020, 11:53
Replies: 1
by gg@skfactor.com » 12 Apr 2020, 10:18

1 Replies

651 Views

Last post by fabdev
13 Apr 2020, 11:53

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