Optolong
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The Major Emission Lines of Nebulae: H-α 656.3nm, H-β486.1nm, OIII 495.9nm, OIII 500.7nm
The Major Emission Lines of Artificial Light Pollution: Hg 435.8nm, 546.1nm, 577nm, 578.1nm, Na 598nm, 589.6nm, 615.4nm, 616.1nm
Optolong will continue to optimize the product according to actual testing, therefore the above curve is not to be used as the final product data.
1.25” mounted and 2” mounted are available now.
Other sizes will be listed when become available.
Object: M42
Time : 15th.--16th. March 2020
Place: HongKong-Shatin
Camera : ZWO ASI183MC Pro
Telescope : f/5 @ Sky-Watcher N130/650 w coma corrector
Filter : Optolong L-eXtreme 2"
Mount : iOptron CEM25EC
Guide : 120mm mini guide scope, ZWO ASI120MM mini
Light pollution level 7~8(City center, light pollution disaster area)
Copyright: ©Vincent Cheng (Hong Kong)
Object:NGC6946, Barnard 150 & Sh2-129 Flying Bat nebula
Equipment:Canon 6D mod+WO SpaceCat 51+Optolong L-eXtreme&L-Pro
Data:RGB 25 x 600" ISO 3200 - Optolong L-Pro
H-Alpha & OIII 20 x 1500" ISO 320 0 - Optolong L-eXtreme
Copyright: ©José Jiménez (Spain)
Optolong L-eXtreme Filter
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