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Comet C 2023 A3 (Tsuchinshan–ATLAS) (2024-10) by Matt Kellogg

Identifying and fixing image artifacts and anomalies.

Showing 1-50 of 289

	Replies	Views	Created
Help needed with a puzzle -- odd effect around star WR 153ab within the Lion Nebula Acquisition Artifacts Deep Sky +2 Lee PullenNew contributor Last post: Lee Pullen	11	200	1 day ago
Do you know what is wrong with my image capture? Acquisition Request for feedback Artifacts +1 astrobNew contributor Last post: astrob	10	361	2 days ago
Stars Have Orbs and overall better processing. Processing Artifacts Deep Sky Duncan Hathaway Last post: Duncan Hathaway	23	658	8 days ago
Help, strange artefacts in my images… ZWO ASI2600MM Pro ZWO ASI6200MM Pro Equipment +2 Paul Last post: Paul	16	362	14 days ago
What's this? Processing Optics Deep Sky +2 Tony GondolaFrequent contributor Last post: andrea tasselli	18	487	17 days ago
Smears on the SVbony 550 80mm image SVBony SV550 80mm Triplet APO Artifacts Troubleshooting Catakraken Last post: TiffsAndAstro	5	198	Jul 14, 2025
Odd speckles in flat files Acquisition Deep Sky Artifacts Craig Dixon Last post: ScottF	9	319	Jul 11, 2025
Fixing scattered light issue Russell Croman Astrophotography StarXTerminator Steffen Hirtle GraXpert Processing +2 Jure Menart Last post: andrea tasselli	9	319	Jun 28, 2025
Any idea what's causing this? Processing Deep Sky Help Needed +1 Ken Potts Last post: Ken Potts	7	197	Jun 26, 2025
Display settings for PI, to eliminate the display quantization error. Pleiades Astrophoto PixInsight Processing Artifacts Chris White- Overcast Observatory Last post: Chris White- Overcast Observatory	8	707	Jun 21, 2025
Star shapes Apertura 8" RC Apertura 8" f/8 Ritchey-Chretien Carbon Fiber Artifacts Troubleshooting Derek Mellen Last post: sebaromano	12	476	Jun 15, 2025
Might This Be a Light Leak? Processing Solar System Artifacts +1 Jerry GerberFrequent contributor Last post: Jerry Gerber	4	138	Jun 12, 2025
Squiggles Farpoint Bahtinov Mask Artifacts Help Needed Tony Barlow Last post: Blue	9	251	Jun 7, 2025
Red/Green/Blue Pixels in Master Lights?? Processing Deep Sky Artifacts +1 David Ebbecke Last post: bigCatAstro	11	229	Jun 7, 2025
Gradiente? Rumore? … Non capisco.. Sky-Watcher Quattro 250P / 10-S Acquisition Deep Sky +1 Luigi Ferrari Last post: andrea tasselli	14	313	Jun 1, 2025
Star shape error Acquisition Deep Sky Artifacts +1 ed bat Last post: Dean Jacobsen	17	488	May 28, 2025
Help with diffraction-like spikes - blue channel only William Optics Redcat 51 ZWO ASI2600MM Pro Processing +2 David Ebbecke Last post: David Ebbecke	7	216	May 28, 2025
Camera Banding? Can anybody tell me what and why this is? Sony IMX571 (mono)CMOS Artifacts Anderl Last post: Oskari Nikkinen	6	322	May 13, 2025
Rings in image? Askar 103APO Dew Heater Acquisition +2 Konstantin Last post: andrea tasselli	30	791	May 12, 2025
HELP, why does this keep happening with my dust motes? Acquisition Calibration Deep Sky +1 Oscar Last post: Oscar	12	462	May 9, 2025
(RCC) Vignetting? Request for feedback Troubleshooting Artifacts DavesView Last post: Miguel T.	14	244	Apr 29, 2025
Artefacts in stacked image. ZWO ASI585MC Pro Processing Calibration +2 MFarq Last post: MFarq	16	524	Apr 23, 2025
Help finding source of light reflections Equipment Artifacts Help Needed Christopher Ventura Last post: Christopher Ventura	2	104	Apr 19, 2025
What could cause the RGB misalignment in the bottom right? Acquisition RGB Deep Sky +1 AmyWarble Last post: Ian McIntyre	8	278	Apr 17, 2025
Strange grid / stains pattern in background Processing Stacking Deep Sky +1 Konrad Krebs Last post: andrea tasselli	6	202	Apr 7, 2025
"Eyeshadows" on the stars ? ZWO ASI585MC Pro Steffen Hirtle GraXpert Siril Team Siril +2 Reiner A. Merz Last post: Reiner A. Merz	6	298	Mar 25, 2025
Problem identifying what my artefact problem is.... Processing Deep Sky LDN1148 +2 Christian Bennich Last post: andrea tasselli	55	1.1k	Mar 24, 2025
Looking for the cause of OTA internal reflexions ZWO ASI294MC Pro Acquisition Broadband +2 patrice_so Last post: Mikko Jokela	46	1.3k	Mar 20, 2025
How to avoid guiding on reflections in the OAG within PHD2? (Gif of the issue included) Open PHD Guiding Project PHD2 Guiding Troubleshooting +1 Ashraf AbuSara Last post: Paul Homer	15	580	Mar 17, 2025
Can't tell if this red is artifact or is really there... Processing Deep Sky Galaxy +1 Harry Karamitsos Last post: Scott Badger	4	237	Mar 11, 2025
Coma Corrector Chromatic aberration Equipment Coma Artifacts Gabriel Wiklund Last post: Gabriel Wiklund	4	78	Mar 7, 2025
Was this a plane? Artifacts Médéric Hébert Last post: Ian McIntyre	15	619	Feb 27, 2025
Noise on sensor when cooled to max ZWO ASI294MC Pro Cooling Artifacts Niels_L Last post: Arun H	6	161	Feb 23, 2025
Can we somehow Remove this weird Lightning From The Image? Siril Team Siril Processing Deep Sky +1 Szijártó Áron Last post: Szijártó Áron	12	767	Feb 19, 2025
Extreme asymmetry in diffraction spikes Sky-Watcher Explorer 150PDS Troubleshooting Artifacts John Walsh Last post: Tony Gondola	26	718	Feb 16, 2025
Strange things in my lights Acquisition Deep Sky Help Needed +1 Adrimt33 Last post: Rick Krejci	6	244	Feb 7, 2025
Can someone help identify this? Pleiades Astrophoto PixInsight Stacking Artifacts David Ebbecke Last post: Observatório Astrográfico do Boqueirão	18	416	Feb 5, 2025
Another question about streaks in images AstroSharp Ltd SharpCap Celestron EdgeHD 8"Acquisition +2 Keith R. Last post: Keith R.	4	98	Feb 3, 2025
Image Round Reflection ZWO ASI2600MM DUO Askar FRA500 Request for feedback +2 Asgardian92 Last post: Jonny Bravo	1	106	Feb 2, 2025
Need for advice - strange bright stripes appear during M78 shooting Acquisition Deep Sky Artifacts +1 Thomas Last post: andrea tasselli	7	447	Feb 2, 2025
Random Blank lines of Pixels ZWO ASI533MC Pro ZWO ASIAIR Plus Banding +1 GiffS Last post: TiffsAndAstro	5	279	Jan 18, 2025
Odd shapes in stars - Pinched optics or something else? Sky-Watcher Esprit 150ED Refractors Artifacts Wanda CondeIOTD Staff Last post: Arun H	50	2.1k	Jan 18, 2025
Streak on Flat Acquisition Deep Sky Artifacts Jerry GerberFrequent contributor Last post: Jerry Gerber	2	82	Jan 16, 2025
Help with large ring in images Sky-Watcher Explorer 130PDS Acquisition Deep Sky +1 Kieran Gunessee Last post: andrea tasselli	2	149	Jan 13, 2025
Issues with SCT calibration frames Celestron EdgeHD 8"Calibration Artifacts Jan Erik Vallestad Last post: Jan Erik Vallestad	36	899	Jan 12, 2025
Stars with 'holes' ZWO ASI294MC Pro ZWO ASIAIR Plus Acquisition +2 Niels_L Last post: Mau_Bard	9	347	Jan 9, 2025
Reflection on Horsehead Nebula - How to mitigate? Celestron NexStar Evolution Acquisition Deep Sky +2 Jean-David Gadina Last post: Tony Gondola	4	423	Jan 5, 2025
Morphological Transformation Artifacts Pleiades Astrophoto PixInsight Processing Artifacts Jerry GerberFrequent contributor Last post: Oscar	1	106	Dec 30, 2024
Artifact in the picture but not in the flat frames. Processing Deep Sky Artifacts JH.Astrophotography Last post: Dan Brown	3	104	Dec 28, 2024
Anyone know what could cause trange rings/colored banding around bright stars with Hyperstar v4 on 9.25" edge HD ZWO ASI2600MC Pro Acquisition Deep Sky +2 Gina Knight Last post: Gina Knight	3	239	Dec 24, 2024

Showing 1-50 of 289