Narrowband Imaging Beginners Guide - AstroBackyard
Narrowband imaging involves isolating and capturing specific wavelengths of light using filters. Deep-sky astrophotography enthusiasts are able to produce dynamic images of objects in …
Optolong SHO Narrowband Deep Sky Imaging Filters
2021年8月8日 · Infrared wavelength 700-1100nm blocked; 0.1% transmission of off-band, specifically the major emission lines of artificial light pollution (i.e. Na 589nm, Hg 435nm and …
OK, I'll Ask IT: What Are Definitions of SHO and HOO?
2017年7月24日 · If Red=Sii, Green=Ha, and Blue=Oiii, then you have SHO. And, yes, you can then change the proportion of these somewhat. But, when one says SHO, all three are …
[2021 NEW] Optolong SHO-3nm narrowband filters kit
Extra narrowband SIICCD3nm filter (Sulful II for CCD) is designed for nebula observation allowing 3nm bandwidth of light centered on a wavelength of 672nm through, and reducing the …
Narrowband Imaging - Starizona
2020年2月29日 · The entire visual spectrum runs, approximately, from a wavelength of 400nm (blue) to 700nm (red). Therefore, a typical RGB filter might have a bandpass of 100nm. In …
When to shoot LRGB, when to shoot SHO? - Cloudy Nights
2023年3月15日 · SHO imaging is for objects that emit most of their light at a few wavelengths emitted by specific elements, in this case hydrogen, oxygen and sulfur. It can be done despite …
Optolong SHO (S-II, H-a & O-III) Narrowband 3nm Imaging Filter …
H-Alpha 3nm filter is the popular narrowband filter allowing 3nm bandwidth of light centered on a wavelength of 656nm through, and reducing the transmission of certain wavelengths of light, …
Optolong improved NB filters SHO6.5nm narrowband filter Kit
Extra narrowband SIICCD 6.5nm filter (Sulful II for CCD) is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 672nm through, and reducing …
3 vs 5 vs 7nn for filters, SHO... which wavelength
2022年8月20日 · What is your input on which wavelength should I focus on for SHO filters? Is Ha 5nm better than a 3nm filter? W...
Optolong SHO narrowband 3nm Filters - AstroArt-Store
Extra narrowband OIII-CCD 3nm filter is designed for nebula observation allowing 3nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission line, …