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Meteor Crossing the Pleiades by Yousuf Alqasimi

Filters that capture two emission lines simultaneously.

Showing 1-50 of 54

	Replies	Views	Created
Dual narrowband imaging issue Antlia ALP-T Dualband 3nm Ha & OIII 2"ZWO EAF Duo-Narrowband +1 Alexey Korobeynikov Last post: Alexey Korobeynikov	23	779	12 days ago
D2 experience with fast optics (f/2.2)? Askar ColourMagic D2 (Sii+Oiii) Duo Narrow Band 6nm 2"Filters Duo-Narrowband Sjors Robroek Last post: Sjors Robroek	5	123	14 days ago
Dual Band Filter OSC, Russell Croman Astrophotography StarXTerminator Optolong L-eXtreme Processing +2 Clayton Ostler Last post: kgav8r	22	710	Jun 12, 2025
A dual band filter for Luminance in LRGB images (monochrome camera) Acquisition Duo-Narrowband Deep Sky +2 John Hulme Last post: Rob Lyons	20	509	May 2, 2025
Dual Band Filter Discussion ZWO ASI2600MC DUO ZWO ASI533MC Equipment +2 Clayton Ostler Last post: Richard	56	1.3k	Apr 16, 2025
Askar Super-Duo-Narrowband D2 vs Askar Duo-Narrowband D2 Filter Equipment Filters Duo-Narrowband Georg N. Nyman Last post: andrea tasselli	10	187	Mar 11, 2025
Looking for Advice on SII & OIII Filters - Halo Issues with Askar D2 Equipment Filters Narrowband +1 Menelaos Last post: David Néel	12	325	Jan 29, 2025
Guiding with Optolong L-Ultimate? ZWO ASI2600MC DUO Optolong L-Ultimate ZWO ASI2600MC Pro +2 agard Last post: FrancoisGAP	22	666	Jan 16, 2025
Whats your recommendation for a dual narrowband filter on a fast f/2 system? Optolong L-eNhance Equipment Filters +1 Arny Last post: Dale Bush	10	482	Nov 21, 2024
Comparing duo-band filters ZWO Duo-Band Filters Acquisition +2 Philippe Barraud Last post: Rob Lyons	29	1.8k	Nov 15, 2024
[RCC] Soul Nebula: Where is my OIII? Russell Croman Astrophotography BlurXTerminator Duo-Narrowband HOO +1 FilippoTib Last post: FilippoTib	13	601	Nov 3, 2024
Spectral Measurements and Realsky Tests of Duo-Narrowband Filters Optolong L-eXtreme Equipment Filters +2 Florian Brill	0	69	Oct 13, 2024
duo filter for Redcat51/ASI183MC? ZWO ASI183MC Pro William Optics Redcat 51 ZWO ASI183MC +2 Francisco Martinez Last post: Dick Bakker	2	119	Oct 8, 2024
The cause and the elimination of halos around stars with some duo-narrowband filters Optolong L-eXtreme Filters UV/IR Cut +2 Walter Leonhard Schramböck Last post: Walter Leonhard Schramböck	27	895	Sep 22, 2024
Askar C2 Filter Halo Tests with NIR sensitive OSC cameras Equipment Duo-Narrowband One-Shot Color +2 astrovic47 Last post: Alan Brunelle	15	554	Sep 17, 2024
L-Ultimate Under Full Moon Optolong L-Ultimate Duo-Narrowband H-alpha +1 James Last post: James	8	477	Sep 15, 2024
Ha/O3 and S2/O3 data acquisition.... kind of confused.. I think Acquisition Duo-Narrowband Deep Sky peng155 Last post: D. Jung	14	427	Sep 6, 2024
[RCC] M16 first light with Celestron LP filter Narrowband Duo-Narrowband Request for feedback Kevin Knight Last post: andrea tasselli	1	118	May 21, 2024
New Script: DBXtract Pleiades Astrophoto PixInsight Duo-Narrowband NGC7635 +2 Raúl Hussein Last post: Raúl Hussein	86	7k	May 17, 2024
asi2600mm Duo (any practical experience?) ZWO ASI2600MM DUO Duo-Narrowband Narrowband Nick Grundy Last post: Dan Kohn	25	1.2k	May 8, 2024
Which dual NB filter is best for F/5? IDAS NBZ-II? IDAS Nebula Booster NBZ 2"ZWO ASI533MC Pro Optolong L-eXtreme +2 Oscar Last post: BFR	15	405	Mar 17, 2024
Askar ColourMagic Duo with fast focal ratio scope Askar ColourMagic D1 (Ha+Oiii) Duo Narrow Band 6nm 2"Filters Duo-Narrowband Arnie Last post: Arnie	11	628	Feb 13, 2024
Adding color to NB images Siril Team Siril Processing Bicolor +2 Kyle Cerniglia Last post: Oscar	3	239	Jan 27, 2024
Reflections/Star Halos with ALP-T Sii&Hb 5nm Antlia ALP-T Dualband 5nm SII&Hb 2"Filters Duo-Narrowband +1 Mau_Bard Last post: Mau_Bard	6	332	Dec 20, 2023
ASKAR Duo Magic D1 (6nm) Poor Transmission? Askar ColourMagic D1 (Ha+Oiii) Duo Narrow Band 6nm 2"Optolong L-eXtreme Filters +1 andrea tasselliFrequent contributor Last post: andrea tasselli	6	624	Dec 1, 2023
L-Ultimate on dark sky? Optolong L-Ultimate 2"Optolong L-Ultimate Optolong UV/IR cut +2 Cristian Arhip Last post: Gilmour Dickson	11	553	Nov 14, 2023
Best way to combine RGB and dual narrowband data Optolong L-eNhance Processing Duo-Narrowband +2 Daniele Borsari Last post: andrea tasselli	4	547	Oct 15, 2023
Help Needed with Stacking Multi Session Narrowband Data in Siril Siril Team Siril Narrowband Duo-Narrowband +2 Dominik Last post: Dominik	18	941	Jul 19, 2023
Looking for advice with selection of dual narrowband Ha/OIII filters for fast (F2) systems Equipment Duo-Narrowband H-alpha +1 Peter Goodhew Last post: Jeff Reitzel	4	340	Jul 10, 2023
Dual band <4nm halo free OSC filters Equipment Filters Narrowband +1 RobertM Last post: RobertM	4	327	Jun 21, 2023
L-Ultimate Star halos Optolong L-Ultimate 2"Optolong L-Ultimate Filters +1 Doversole83 Last post: andrea tasselli	12	997	Jun 7, 2023
Can You/Should You Combine L-eNhance Data with L-eXtreme Data Optolong L-eXtreme Optolong L-eNhance Processing +2 Zak Jones Last post: frieda ritter	25	1.4k	Jun 1, 2023
Adding true color onto dual-band OSC data ZWO ASI533MC Pro Acquisition Duo-Narrowband +2 Phil Creed Last post: Tom Boyd	4	254	Apr 28, 2023
Imaging Time -- OSC filters vs. Sky Quality Optolong L-eNhance Filters Acquisition +2 Phil Creed Last post: Dale Penkala	13	755	Apr 21, 2023
Askar Filter HO + SO Processing SHO Duo-Narrowband +1 Maxime Martin Last post: Michael Ring	11	463	Feb 9, 2023
Askar Filter HO + SO Acquisition SHO Duo-Narrowband +1 Maxime Martin Last post: Werner Stumpferl	2	96	Feb 9, 2023
Narrowband Imaging with single shot colour and L extreme filter Pleiades Astrophoto PixInsight ZWO ASI2600MC Pro Acquisition +2 IrishAstro4484 Last post: Monty Chandler	3	288	Jan 17, 2023
Experiencias Askar 6nm Duo-Narrowband D Filter ¿Compiten a una mono? Filters Duo-Narrowband Español Rodrigo Castro Last post: Daniel Arenas	6	778	Jan 9, 2023
L-enhance vs STC Duo Equipment Filters Duo-Narrowband Thanos Last post: Joe Linington	4	225	Dec 27, 2022
Filter Acquisition Duo-Narrowband Deep Sky +1 Thanos Last post: andrea tasselli	1	85	Dec 14, 2022
Walking noise Acquisition Duo-Narrowband Deep Sky +1 Thanos Last post: Thanos	4	193	Dec 1, 2022
Dual band filter for OSC? Equipment Duo-Narrowband One-Shot Color Tareq Abdulla Last post: Tareq Abdulla	40	1.1k	Nov 5, 2022
Full spectrum conversion Equipment DSLR Duo-Narrowband Thanos Last post: andrea tasselli	4	105	Sep 3, 2022
New script for Osc dual band images Pleiades Astrophoto PixInsight Processing Duo-Narrowband +2 Pkline Last post: Pkline	10	1.2k	May 29, 2022
Dual-Narrowband filter+OSC vs. Ha/O3 filters+Mono Comparison Acquisition Narrowband Duo-Narrowband +1 Andre Vilhena Last post: Arun H	132	8.3k	Jan 11, 2022
Dualband Antlia ALP-T 2” 5nm vs L-Extreme 7nm Optolong L-eXtreme Equipment Filters +1 Euripides Last post: Michael Ring	15	1.9k	Nov 24, 2021
Affinity Photo OSC Dual Narrowband Workflow Help Optolong L-eXtreme Processing Duo-Narrowband +2 First_Age_of_Sand Last post: First_Age_of_Sand	15	305	Jul 16, 2021
Processing images taken with Optolong l-Enhance filter Optolong L-eNhance ZWO ASI294MC Pro Processing +2 Dale Penkala Last post: Dale Penkala	22	439	May 27, 2021
IDAS NBZ filter Optolong L-eXtreme Equipment Filters +1 Jérémie Last post: David Redwine	5	142	Mar 26, 2021
stc duo narrowband? Equipment Filters Duo-Narrowband Frederic MONARD Last post: Frederic MONARD	6	243	Sep 9, 2020

Showing 1-50 of 54