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Category Archives: Spectroscopy

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Astronomy_Filters_Spectra

April 16, 2012 by Andrea IU4APC

The following are the first series of spectra I took with my DIY USB Sprectroscope. First here’s the lamp I’m using as a source of light for the spectrum: Definetly not a “True Light” but not that bad 🙂 That has to be taken into account. The peak you see at 825,0 nm is nothing less than the end of the image so not related to the spectrum. I have to find a way to avoid that 🙂 I have a […]

Categories: CaK, H-Alpha, Other, Spectroscopy, White Light

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DIY_USB_Spectroscope

April 16, 2012 by Andrea IU4APC

This is the first picture of my USB Spectroscope. It looks ugly I know… but it works 😀 The Spectrometer is made our of a 1000ln/mm diffraction grating with a Microsoft Lifecam HD-5000. The slit is made with a couple of razor blades. Everything is placed inside a 2″ short tube and the camera into a 2″ eyepiece holder. The nice thing about the webcam is that it has lens focus so I can do the focusing via software and […]

Categories: Hardware, Other, Spectroscopy

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Testing_Old_And_New_Things

April 12, 2012 by Andrea IU4APC

Today I’ve been able to test a few things that were left behind. The Sun showed during all the morning but it was difficult to have even just 1 minute free from clouds. Strong wind created problems taking clouds all around the sky and also making the tubes quite “unstable”. Anyway I’ve been able to do a quick comparison between the Coronado BF5 and the Lunt BF12. Results are not as I wanted them to be. It seems like the […]

Categories: CaK, H-Alpha, Hardware, Other, Spectroscopy, White Light

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