45. Meade Series 4000 Broadband Nebular Filters
... band characteristics of the Broadband Nebular Filters, Meade Narrowband Filters zero ... narrow range of total light energy transmitted, the Narrowband Filter is not ... Filters , the O-III Filters are complements to other Meade nebular filters; the ...
46. Terry Slezak Oral History
... I went over there, and I used ultraviolet light and a green very narrow band cutoff filter to copy these things, because some of them were so bad that you look at them and you just couldn?t read anything. ...
48. Description
... filter transmission, and vignetting are evaluated assuming an event energy which corresponds to the mean of the PI channel boundaries specified by the command line parameters pimin and pimax ( note, that, depending on the source spectrum, this may ...
49. astro-ph
... We present values for angular diameter, flux and extinction for 70 Galactic planetary nebulae observed using narrow band filters. ...
50. ASP: Making a Rainbow
... Ruler . Red, blue, green colored filters - if possible, cut 1x4-inch pieces of the filters for each student . Part I . ... Filter sheets can be positioned in front of the diffraction grating, or students can look through their individual filters at ...