| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Matej | "@warren: in response to: "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/1..." | Read more » | almost 8 years ago | |||
| stoft | "Looks like good confirmation of what I observed -- although the clipping does distort the data. Yes, the noise at sample rate is not AGC (that loop..." | Read more » | almost 8 years ago | |||
| warren | "Oh super -- looks pretty good, really! And I appreciate that it's laborious to add each individually, and I hope that we can get more folks contrib..." | Read more » | about 8 years ago | |||
| viechdokter | "I already did compare all 10 spectra in the set but I always had to add a single spectrum at a time to get them all compared. What I meant were ch..." | Read more » | about 8 years ago | |||
| dhaffnersr | "Hey my friend! You can compare more than one image, if you look down a little on the page where you would calibrate your spectrum there is a button..." | Read more » | about 8 years ago | |||
| viechdokter | "And here is the set. (Sorry I didn't know there was such a possibility. Loads of things I have to learn yet.) Oh, one proposal to the programmers: ..." | Read more » | about 8 years ago | |||
| viechdokter | "Here is a wmv file, it's not so well lined up like the gif but you can see what I mean by stable wavelengths. cfl_reproducibility_animation.wmv " | Read more » | about 8 years ago | |||
| warren | "Hi, I cant seem to get the gif to play... what about adding all your spectra to a set and embedding here? Thanks! Eager to see these results. " | Read more » | about 8 years ago | |||
| Matej | "@ethanbass for calibration I am not smoothing the spectra. I just thought it could be helpful when comparing them and adding them to a set. " | Read more » | about 8 years ago | |||
| Matej | "Hi Jeff, Thanks for the info about the bug! I Will recalibrate right away. I discussed with Gretchen and I think I will keep using this bulb since ..." | Read more » | about 8 years ago | |||
| dhaffnersr | "Hey Jeff, your right I just thought about it, it will calibrate, it's just you can't get a good fit. " | Read more » | about 8 years ago | |||
| warren | "that continuous band on the blue spectrum gives poor calibration Dave, I don't think it's quite accurate to say that they give poor calibration. T..." | Read more » | about 8 years ago | |||
| warren | "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/16) which was since fixed. ..." | Read more » | about 8 years ago | |||
| warren | "Hi, Matej - it also looks like some of your spectra are not calibrated, or perhaps not properly? I'm seeing some not aligned. But all of them seem..." | Read more » | about 8 years ago | |||
| dhaffnersr | "Hello Matej! Those "humps" that you are getting from the daylight bulbs are the very reason I don't use them, that continuous band on the blue spec..." | Read more » | about 8 years ago | |||
| ethanbass | " " | Read more » | about 8 years ago | |||
| ethanbass | "Hey Matej, there's something going wrong with the way your second and third sets are showing up there! They've got all of those squiggles showing u..." | Read more » | about 8 years ago | |||
| stoft | "Glad this note is helpful. Between using a "clean" CFL spectrum for wavelength calibration, a sharp narrow slit, performing a gain-correction and b..." | Read more » | about 8 years ago | |||
| liz | "It's REALLY helpful to see your explanation of how daylight bulbs are enhanced in a way that affects the peaks we need to calibrate, so that we sho..." | Read more » | about 8 years ago | |||
| dhaffnersr | "Hey Dave! Man this is great tech info, love it, the 23w cfl that I use is 1600 lumens, I can see by the graph data that I may try the 14w and see h..." | Read more » | about 8 years ago | |||
| warren | "Hmm. So I'm wondering if part of the fit problem is because we're simply comparing intensity at the 14 points and 13 troughs. Take this example: ..." | Read more » | over 8 years ago | |||
| warren | "Oops, meant to share links to my tests -- here's the one I used the new calibration system on, and listed 3 approximate errors for: https://spectra..." | Read more » | over 8 years ago | |||
| warren | "Hmm. I guess there are pros and cons to each approach. I agree that the 546 line doesn't result in a great linear calibration -- some end up about..." | Read more » | over 8 years ago | |||
| cfastie | "If the original Snowy Sky CFL is calibrated by pinning down the 436 nm and 546 nm peaks (using a macro) it looks like this: Most of the peaks do..." | Read more » | over 8 years ago |