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M42 et M43 by Stephane IDIR

Using dark, flat, and bias frames to correct image defects.

Showing 1-50 of 230

	Replies	Views	Created
Help - Vertical bands - Flats is the culprit - Can someone help me understand what's happening ? Pleiades Astrophoto PixInsight Takahashi Epsilon-160ED Takahashi Epsilon-180ED +2 Deepan Vishal Last post: John Hayes	8	155	2 days ago
Flats Calibration Backyard Astrophotography Stephen Jones Last post: Craig Rairdin	12	347	11 days ago
Diagnostic help, please Filters Filter Wheel Calibration +5 Michael Urvina Last post: Grigory2020	13	234	Oct 19, 2025
How to identify bad darks? Calibration Dark Frames Artifacts +1 Arny Last post: Craig Towell	2	78	Oct 8, 2025
PixInsight WBPP - dust motes/donut still not cleaned with flats Pleiades Astrophoto PixInsight Calibration Stacking Ancient.Photon Last post: Wei-Hao Wang	28	452	Sep 30, 2025
Circular artifact in WBPP processed image, suspect flat frame issue Calibration Artifacts Help Needed +1 Catalin Iordache Last post: Catalin Iordache	7	99	Sep 29, 2025
Weird artifact in CLSCCD images that won't calibrate away Filters Filter Wheel Calibration +5 Leela.Astro.Imaging Last post: Scott Badger	8	130	Sep 24, 2025
Secondary and spider vein reflections appearing in my telescope images Ritchey-Chrétien Calibration Optics +2 Christopher Gomez Last post: andrea tasselli	3	94	Sep 15, 2025
Over correcting flats with fix Equipment Calibration Dan Brown Last post: Vandewattyne	4	171	Aug 17, 2025
Flats in remote imaging Equipment Calibration Remote Astrophotography Arun H Last post: Arun H	13	502	Aug 7, 2025
Flats undercorrecting vignetting Sky-Watcher Quattro 250P / 10-S Calibration Vignetting +1 Mauricio Christiano de Souza Last post: Rick Krejci	29	582	Aug 6, 2025
Problems generating my flats ZWO ASI294MM Pro Calibration Processing +2 Enrique Ojeda Last post: Enrique Ojeda	16	337	Aug 5, 2025
How Does Seastar's New Flats Work? ZWO Seestar S50 Calibration Szijártó Áron	0	94	Jul 28, 2025
Issue in frames calibration? Pleiades Astrophoto PixInsight Processing Calibration +2 Carlo Paschetto Last post: andrea tasselli	14	391	Jul 8, 2025
Osc narrowband flats at F10 suggestions Celestron C6 Acquisition Calibration +2 TiffsAndAstro Last post: TiffsAndAstro	10	216	Jun 26, 2025
My Problem with PhD2 Open PHD Guiding Project PHD2 Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Guiding +1 Mossyback Last post: Mossyback	16	904	Jun 19, 2025
WBPP on raw vs Calibrated files Pleiades Astrophoto PixInsight Calibration Stacking Mark McComiskey Last post: Monty Chandler	11	694	Jun 14, 2025
Stellavita guiding calibration issues. ToupTek StellaVita Sky-Watcher Evolux 62ED Sky-Watcher EQM-35 Pro +2 Eric Gagne Last post: NeilM	6	189	Jun 14, 2025
Dark Matters MINERVA! Processing Calibration Deep Sky Dark Matters Astrophotography Last post: Dark Matters Astrophotography	1	211	Jun 14, 2025
Sharpcap forcefully applying flats? AstroSharp Ltd SharpCap Siril Team Siril ZWO ASI533MC +2 Kyle Cerniglia Last post: Kyle Cerniglia	2	163	May 26, 2025
WBPP Flats not correcting Pleiades Astrophoto PixInsight Processing Calibration +1 Sam Badcock Last post: Terry Doran	28	1.1k	May 26, 2025
Flat Darks prep and use in PI CMOS Processing Calibration +1 Jeff Bennett Last post: Jeff Bennett	12	213	May 25, 2025
NINA ROI; how to handle Darks/Biases Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Acquisition Calibration John Stone Last post: Jeff Rothstein	4	368	May 24, 2025
Seastar Going to Enter A New Era in Terms of Astrophotography? ZWO Seestar S50 Calibration Szijártó Áron Last post: Clayton Ostler	16	770	May 16, 2025
Need to take bias longer than 0 seconds on the QHY Minicam QHYCCD miniCAM8M Bias Frames Calibration Noah Tingey Last post: Charles Hagen	10	319	May 9, 2025
HELP, why does this keep happening with my dust motes? Acquisition Calibration Deep Sky +1 Oscar Last post: Oscar	12	463	May 9, 2025
Issue with flat frames Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Pleiades Astrophoto PixInsight Acquisition +2 Marco Pegoraro Last post: Marco Pegoraro	8	317	May 6, 2025
Artefacts in stacked image. ZWO ASI585MC Pro Processing Calibration +2 Mark Vickers Last post: Mark Vickers	16	528	Apr 23, 2025
Possible de faire du guidage depuis Asiair plus? Celestron NexStar 8SE ZWO ASIAIR Plus Guiding +1 Patrick AUDOIT	0	75	Apr 15, 2025
Pixinsight Error Msg in WBPP Flat vs Dark exposure? ZWO ASI294MC Pro Processing Calibration +1 RICK Last post: JohnAdastra	6	133	Apr 3, 2025
[RCC] Caldwell 49 - Rosette Nebula Bias Frames Calibration Request for feedback AmyWarble Last post: AmyWarble	3	234	Mar 19, 2025
Flat Calibration Problem QHYCCD QHY268 M Equipment Calibration +2 Michael Sleeman Last post: Tony Gondola	4	159	Mar 11, 2025
What reasons could affect Flat Frame performance? Luc Coiffier DeepSkyStacker (DSS)Pleiades Astrophoto PixInsight Acquisition +2 Menelaos Last post: Mark Petersen	8	377	Feb 1, 2025
Issues with SCT calibration frames Celestron EdgeHD 8"Calibration Artifacts Jan Erik Vallestad Last post: Jan Erik Vallestad	36	916	Jan 12, 2025
Help with WBPP "no frames found after calibration" Pleiades Astrophoto PixInsight Stacking Calibration Oscar Last post: wsg	2	176	Dec 21, 2024
Flats undercorrecting in LRGB ZWO ASI533MM Processing Calibration +2 Adam Drake Last post: John Hayes	9	162	Dec 11, 2024
Grid Pattern on Masters after Stacking with WBPP Moravian Instruments C3-61000 Calibration Artifacts Nana Dadzie Ghansah Last post: Nana Dadzie Ghansah	20	436	Dec 7, 2024
Flats - Color vs Mono ZWO ASI6200MM Pro ZWO ASI533MC Pro Calibration +1 D. Jung Last post: Coolhandjo	6	301	Dec 5, 2024
Two Questions Regarding Pre-Processing in Pixinsight Pleiades Astrophoto PixInsight Processing Bias Frames +2 Jerry Gerber Last post: Yellowfin	19	479	Dec 2, 2024
Artefacts in registered images....what am I missing???? Processing Calibration Deep Sky +2 Christian Bennich Last post: Christian Bennich	18	270	Nov 28, 2024
What's wrong with my filters? Equipment Gradient Removal Calibration bobtobb Last post: bobtobb	22	618	Nov 19, 2024
Help linking flats to correct lights in WBPP Pleiades Astrophoto PixInsight Calibration H-alpha Oscar Last post: Mike Webster	8	134	Nov 10, 2024
Newbie question DSLR Acquisition Calibration +1 Johnathan Allison Last post: Willem Jan Drijfhout	12	400	Nov 8, 2024
Do you get perfect frames after calibration or have to do DynamicBackgroundExtraction (DBE)? Processing Calibration Deep Sky Yuxuan Last post: Oskari Nikkinen	11	414	Oct 27, 2024
Did I get a bad R filter from Antlia? Filters Acquisition Calibration +1 John Stone Last post: Tony Gondola	6	180	Oct 21, 2024
Pixinsight Error with Image Integration WBPP/FBPP Pleiades Astrophoto PixInsight Stacking Calibration Derek Vasselin Last post: Derek Vasselin	8	414	Oct 16, 2024
Pixinsight not using flats when stacking with WBPP - not sure why Pleiades Astrophoto PixInsight Processing Calibration +2 Harry Karamitsos Last post: Harry Karamitsos	17	455	Oct 14, 2024
Flat panel. So much intensity for a 2600MC ZWO ASI2600MC Pro Askar FRA500 Equipment +2 Julio Maset Last post: Ed Astle	12	416	Oct 9, 2024
TOPIC #1 BIAS VS DARKFLAT (ZWO 6200 MM PRO) ZWO ASI6200MM Pro Russell Croman Astrophotography NoiseXTerminator Russell Croman Astrophotography BlurXTerminator +2 Brian Diaz Last post: Brian Diaz	24	655	Sep 24, 2024
Can We Use Ha Scripts Or Hubble Palette Script on Light Frames? Processing Calibration Deep Sky Szijártó Áron Last post: Observatório Astrográfico do Boqueirão	5	240	Sep 23, 2024

Showing 1-50 of 230