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The Pleiades - the Seven Sisters - M45 by Davide Mascoli

Identifying and fixing image artifacts and anomalies.

Showing 1-50 of 332

	Replies	Views	Created
Problems with blue stars when adding Ha to LRGB. Acquisition Processing H-alpha +2 Enrique Ojeda Last post: Enrique Ojeda	15	290	2 days ago
Spikes are not centered Reflectors Artifacts Coma +2 Rainer EhlertFrequent contributor Last post: Rainer Ehlert	3	79	3 days ago
Etaloning effect with 2600MC and dual band filters Artifacts Help Needed DylanNew contributor Last post: bigCatAstro	11	230	6 days ago
Strange gradient with Askar D2 filter causing red center and green edges Filters Artifacts Help Needed Giuseppe Renna Last post: Arnie	7	91	7 days ago
Beginner DSLR tests: noise, gradients and low-contrast results – looking for advice Canon EOS R8 DSLR Artifacts +1 Yngvarr_75 Last post: Rainer Ehlert	40	413	11 days ago
Strange moving object in Dolphin Head Nebula data ZWO ASI2600MM Pro Artifacts Sh2-308 Ryan Benbow Last post: Ryan Benbow	2	159	11 days ago
Star shape issues after putting in main mirror mask Artifacts Help Needed Troubleshooting Tom Boyd Last post: Tom Boyd	7	176	15 days ago
Help with RH200 halos/reflections Officina Stellare RH200 MKII AT Reflectors Artifacts +2 Jose Mtanous Last post: Rainer Ehlert	16	322	23 days ago
Stain appearing on photos Artifacts Help Needed Troubleshooting Wandrille VINCENT Last post: Wandrille VINCENT	13	197	24 days ago
Similar artifacts on different setups on M45 Takahashi TOA-130 Artifacts M45 +1 Rick Krejci Last post: alpheratz06	4	189	26 days ago
Player One Poseidon M camera showing clustered hot pixels in dark frames Player One Poseidon-M Pro CMOS Dark Frames +4 lunohodov Last post: alpheratz06	4	118	27 days ago
Looking for advice on removing vertical streaks in my Blue channel (M45) Pleiades Astrophoto PixInsight Calibration Artifacts +2 Miles B Last post: andrea tasselli	3	62	Nov 28, 2025
ZWO ASI 2600MC producing doughnut artifact in center of images ZWO ASI2600MC Pro Artifacts Help Needed +1 Konrad Krebs Last post: SonnyE	10	283	Nov 27, 2025
Halo artifact troubleshooting on Esprit ED80 and lens cleaning safety Equipment Refractors Optics +4 lucasjacobson Last post: lucasjacobson	5	65	Nov 26, 2025
No way to correct this with flats Calibration Processing Artifacts +2 Frank "Voloire" Last post: Nico Gärtner	5	102	Nov 26, 2025
Strange artifact in images with Askar 120 APO setup Sky-Watcher EQ6-R Pro LRGB Artifacts +2 Juan Pablo De la Cruz Last post: Juan Pablo De la Cruz	4	182	Nov 21, 2025
Mysterious star trailing solved: a cautionary tale of fan vibration with a fan cooled (especially ZWO) camera. ZWO ASI2600MC Pro Equipment Cooling +2 Rick Veregin Last post: Arnie	26	621	Nov 18, 2025
Star-trails stacking Artifacts David Tyrrell Last post: David Tyrrell	4	64	Nov 18, 2025
Did I caught a meteor train? ZWO Seestar S50 Artifacts Comet +1 Jean-David Gadina Last post: Tony Gondola	11	258	Nov 1, 2025
Blue halos around stars after LRGB combining in PixInsight Artifacts Troubleshooting Georg N. Nyman Last post: Brian Puhl	7	156	Oct 30, 2025
Can someone help me identify this object ? Acquisition LRGB Deep Sky +1 Hans C Last post: Hans C	6	223	Oct 20, 2025
Diagnostic help, please Filters Filter Wheel Calibration +5 Michael Urvina Last post: Grigory2020	13	238	Oct 19, 2025
What sensors still exist that give lovely microlens diffraction spikes on stars? Equipment CCD CMOS +3 codwyer	0	89	Oct 13, 2025
Starspikes reduction Equipment Reflectors Optics +1 Lalo Juarez Last post: Alex Nicholas	2	53	Oct 11, 2025
How to identify bad darks? Calibration Dark Frames Artifacts +1 Arny Last post: Craig Towell	2	78	Oct 8, 2025
Bayer-like checkered pattern on mono subs ZWO ASI1600MM CMOS Monochrome +3 André Moleiro Last post: Ani Shastry	4	203	Oct 5, 2025
Is this a record??? LOL Acquisition Artifacts Satellite Daniel Cimbora Last post: Javier Reglero	16	716	Oct 1, 2025
Strange grainy artifacts in background when applying NXT - normal or error? Processing Noise Reduction Duo-Narrowband +3 Derek Vasselin Last post: Tim Ray	5	116	Sep 29, 2025
Circular artifact in WBPP processed image, suspect flat frame issue Calibration Artifacts Help Needed +1 Catalin Iordache Last post: Catalin Iordache	7	101	Sep 29, 2025
Are these halos caused by good seeing and diffraction patterns? Planewave CDK14 Seeing Conditions Optics +2 Anthony Grillo Last post: John Hayes	11	391	Sep 29, 2025
Strange decorative error after processing 47 subs with ZWO ASI183MC-Pro ZWO ASI183MC Background Extraction Processing +1 Steve Solon Last post: Steve Solon	6	94	Sep 27, 2025
Weird artifact in CLSCCD images that won't calibrate away Filters Filter Wheel Calibration +5 Vin Last post: Scott Badger	8	132	Sep 24, 2025
QHY-268M Noisy with narrow band QHYCCD QHY268 M CMOS Artifacts +2 Roger Renberg Last post: Roger Renberg	10	269	Sep 23, 2025
Weird Artifacts when shooting with SCT Celestron EdgeHD 9.25"Artifacts Zhaoyu Xu Last post: Mark Fox	45	545	Sep 22, 2025
Possible meteor captured in 180 second exposure frame Artifacts IC63 Meteor JayBac Last post: JayBac	3	106	Sep 22, 2025
signal loss Processing Artifacts Deep Sky +1 astrojuanan Last post: astrojuanan	19	186	Sep 14, 2025
what kind of trail is this? Artifacts Satellite adrian-HG Last post: Bob Lockwood	9	186	Sep 12, 2025
Strange star trails? Acquisition Guiding Artifacts +1 Karel Schel Last post: Karel Schel	3	59	Sep 9, 2025
GHS stretching haze around stars while enhancing IFN in Deer Lick Group Processing Stretching Artifacts +2 Rabeea Alkuwari Last post: Tony Gondola	3	144	Aug 31, 2025
Artifacts or low SNR issue? Noise Reduction Request for feedback Artifacts +1 Bo Chen Last post: Bo Chen	23	264	Aug 26, 2025
Jumping stars in my light frames Sky-Watcher Star Adventurer GTi Acquisition Artifacts +2 Adrimt33 Last post: Read noise Astrophotography	7	261	Aug 23, 2025
Dark vertical streaks in stacked image Equipment Artifacts Help Needed Richard Carande Last post: Richard Carande	15	363	Aug 21, 2025
Is this what I think it is? Drizzle Processing Artifacts +2 Tony GondolaFrequent contributor Last post: Tony Gondola	18	672	Aug 20, 2025
Help needed with a puzzle -- odd effect around star WR 153ab within the Lion Nebula Acquisition Artifacts Deep Sky +2 Lee Pullen Last post: Lee Pullen	15	266	Aug 16, 2025
Do you know what is wrong with my image capture? Acquisition Request for feedback Artifacts +1 astrob Last post: astrob	11	453	Aug 15, 2025
Stars Have Orbs and overall better processing. Processing Artifacts Deep Sky Duncan Hathaway Last post: Duncan Hathaway	23	675	Aug 9, 2025
Help, strange artefacts in my images… ZWO ASI2600MM Pro ZWO ASI6200MM Pro Equipment +2 Paul Last post: Paul	16	390	Aug 3, 2025
What's this? Processing Optics Deep Sky +2 Tony GondolaFrequent contributor Last post: andrea tasselli	18	507	Jul 31, 2025
Smears on the SVbony 550 80mm image SVBony SV550 80mm Triplet APO Artifacts Troubleshooting Catakraken Last post: TiffsAndAstro	5	217	Jul 14, 2025
Odd speckles in flat files Acquisition Deep Sky Artifacts Craig Dixon Last post: ScottF	9	324	Jul 11, 2025

Showing 1-50 of 332