Forums - AstroBin

Prom_Halpha_2025-08-15_ 0923 by Dave Smith

Dark corners and edges in images.

Showing 1-39 of 39

	Replies	Views	Created
Flats undercorrecting vignetting Sky-Watcher Quattro 250P / 10-S Calibration Vignetting +1 Mauricio Christiano de Souza Last post: Tony Gondola	27	443	12 days ago
Flats issue with ZWO6200MM ZWO ASI2600MM Pro Askar FRA500 Equipment +2 Stephen Jones Last post: Stephen Jones	42	881	Jun 3, 2025
Sharpcap forcefully applying flats? AstroSharp Ltd SharpCap Siril Team Siril ZWO ASI533MC +2 Kyle Cerniglia Last post: Kyle Cerniglia	2	160	May 26, 2025
Strange circles in my image Siril Team Siril Equipment Help Needed +2 Anthony (Tony) Johnson Last post: Anthony (Tony) Johnson	6	118	Apr 2, 2025
Square or circular? Moravian Instruments C3-61000 PRO Filters Vignetting Riccardo Civati Last post: Daniel Carter	9	325	Mar 18, 2025
Flats undercorrecting in LRGB ZWO ASI533MM Processing Calibration +2 Adam Drake Last post: John Hayes	9	157	Dec 11, 2024
NEWBIE Color vignetting and weird pattern Sky-Watcher Star Adventurer GTi Processing Deep Sky +2 Johnathan Allison Last post: Tony Gondola	5	128	Nov 19, 2024
OCAL collimator Collimation Vignetting Menelaos Last post: Tony Gondola	4	79	Nov 14, 2024
filter size and impact on vignetting Takahashi Epsilon 160 Filters Vignetting Nick Grundy Last post: andrea tasselli	3	113	Sep 7, 2024
Ideal telescopes for ZWO ASI 183MM ZWO ASI183MM Pro CMOS Filter Wheel +1 Kevin DixonIOTD Staff Last post: Kevin Dixon	20	354	Aug 12, 2024
RFA PixInsight Stacking Problem, Calibration Problem, or... who knows what problem Pleiades Astrophoto PixInsight ZWO ASI294MC Pro ZWO ASIAIR Plus +2 DavesView Last post: Christian Großmann	4	231	Aug 2, 2024
Vignetting I have not seen before.... Processing Deep Sky Vignetting +1 Christian Bennich Last post: Christian Bennich	5	179	Jul 30, 2024
Vignette Full Frame EOS R TS-Optics PHOTON 150mm/6" f/4 Newtonian Canon EOS R Beginner +1 Cam B Last post: Cam B	3	103	Jun 21, 2024
Band Across Sensor QHY Users Group Vignetting Troubleshooting David Trimble Last post: Ben Koltenbah	6	79	Jun 7, 2024
Internal Reflections? Fast Newtonians Calibration Vignetting Jack Groves Last post: Frank Szabo	15	201	Apr 19, 2024
Odd vignette on Canon 250D sensor Canon EOS 250D / Rebel SL3 / Kiss X10 / EOS 200D Mark II DSLR Vignetting +1 AttiC Last post: burkle1990	6	173	Mar 19, 2024
Newton Flat Problem (Ring pattern) Light pollution a cause? Processing Calibration Deep Sky +1 Marc-Antonio Fischer Last post: Marc-Antonio Fischer	32	577	Mar 13, 2024
ASI 2600mm vignetting in RGB-L shorter exposures ZWO ASI2600MM Pro Astro-Tech AT130EDT Vignetting +2 Chase Davidson Last post: Magican	17	708	Jan 30, 2024
Use of square filters in full frame cameras Chroma Red 50x50 mm Filters Vignetting Rafael Sampaio Last post: Jose Mtanous	5	175	Dec 22, 2023
Why do I get this Halo in my exposures? Acquisition Deep Sky Help Needed +1 Menelaos Last post: dkamen	7	524	May 30, 2023
SVX102T and full frame sensors Stellarvue SVX102T-R Flattener Vignetting Nick Grundy Last post: Dale Penkala	4	361	Apr 25, 2023
ZWO ASI294MC PRO 2" or 1,25" filters ZWO ASI294MC Pro Optolong L-Pro Equipment +2 CVZ_Astrophotography Last post: Ricky303	6	423	Feb 10, 2023
Illumination/vignetting changes with light pollution Sky-Watcher Explorer 200PDS ZWO ASI294MM Pro Acquisition +2 Linus Last post: Marc-Antonio Fischer	11	372	Jan 25, 2023
Inverse Lighthouse Beam Effect on Bright Stars with Tak FSQ 85-EDX ZWO ASI6200MM Pro Equipment Flattener +1 Bruce Donzanti Last post: dkamen	19	1.3k	Jan 9, 2023
Extreme vignetting on this image of M45 Request for feedback M45 Vignetting +2 Glenn Silverman Last post: Jon Hanson	11	518	Nov 29, 2022
200PDS Collimation issues Sky-Watcher Explorer 200PDS Pleiades Astrophoto PixInsight Collimation +1 Andy Wray Last post: Jens Leuteritz	16	775	Sep 5, 2022
Why is vignetting so different between RGB and Narrowband filters? Ritchey-Chrétien Reducer Processing +2 urban.astronomer Last post: Rob Johnson	11	769	Aug 15, 2022
Fake startrails, problems with flats? Luc Coiffier DeepSkyStacker (DSS)Processing Calibration +2 Leonardo Henning Last post: Die Launische Diva	9	399	Jul 28, 2022
Please help – first light disaster Ritchey-Chrétien Acquisition Deep Sky +1 Detlef Scholz Last post: Detlef Scholz	6	418	Feb 11, 2022
Anyone else had these artefacts with L-pro? Optolong L-Pro Canon EOS 60D Acquisition +2 igor.cheb Last post: Tom Marsala	25	625	Jul 29, 2021
Compatibilidad newton f4 y zwo 2600mm ZWO ASI2600MM Pro Reflectors Vignetting +1 Canarisky Last post: Fran Ruiz	15	1.1k	Jul 13, 2021
Need help with OAG optical train setup Celestron EdgeHD 9.25"Equipment Guiding +2 Scott Badger Last post: Scott Badger	2	77	May 2, 2021
Can someone help me understand the vignettes on these images? Acquisition Deep Sky Vignetting +2 jeremy.wiggins Last post: Rich Sky	12	309	Feb 20, 2021
Noob with Rasa 11 and center of images are super bright! Help! Celestron RASA 11" V2 ZWO ASI2600MC Pro Vignetting +1 Nathan Shobe Last post: Eduardo Cuervo Reyes	29	2k	Feb 2, 2021
Horrible Vignetting with ASI6200 and AT130EDT Acquisition Deep Sky M42 +2 Rob Calfee Last post: Gary JONES	34	1.6k	Dec 27, 2020
Flat troubles with dark corners Main Sequence Software Sequence Generator Pro (SGP)Processing Calibration +2 Eric Beckinger Last post: Hannah	6	337	Nov 9, 2020
Has anyone tried making flats field with the Optolong L-PRO FF filter? Optolong L-Pro Equipment Calibration +1 Giulio Ercolani Last post: Giulio Ercolani	3	134	Sep 4, 2020
Compatability Question ZWO ASI294MC Equipment Reducer +1 Roman Pierce Last post: Roman Pierce	5	81	Aug 8, 2020
Complex Vignetting Removal with Star Tools Processing Deep Sky Vignetting Brent Newton Last post: 1074j	5	219	Sep 20, 2016

Showing 1-39 of 39