上到5x增倍镜之后视凝度影响很大,特别是紫外波段,对焦也很麻烦,大气抖动的厉害。
Sunspot in 5a CaK、3nm CaK and WL
2024-07-26
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Askar 120mm F7
Mars-M II IMX462mm
#Antliafilter dualband ERF filter 2"
Antlia 5X barlow
--
5a CaK:Antlia Solar Discover 5Å CaK(FWHM 0.5nm)
3nm CaK:Antlia 3nm CaK
WL:Antlia dualband Assembly
3% 5000 frame
Sunspot in 5a CaK、3nm CaK and WL
2024-07-26
--
Askar 120mm F7
Mars-M II IMX462mm
#Antliafilter dualband ERF filter 2"
Antlia 5X barlow
--
5a CaK:Antlia Solar Discover 5Å CaK(FWHM 0.5nm)
3nm CaK:Antlia 3nm CaK
WL:Antlia dualband Assembly
3% 5000 frame
- 镜头/望远镜: Askar 120mm APO
- 相机: Mars-M II IMX462mm
- 赤道仪: AM5
- 滤镜: Antlia Solar Discover 5Å CaK(FWHM 0.5nm)
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