Orion XT12i with Swayze-refigured primary & Protostar secondary
Televue NP101 refractor
William Optics Megrez 90 refractor
Universal Astronomics Deluxe Mounts
Quote:Re: sciplus.com item #93507P1 mini-uv flashlight $10.95.I am using fluorescent paint to illuminate a compass rose (N,S,E,W,plus every ten degree point on my three foot dob base for the purpose of alignment. In your opinion, would such a lamp (see above), properly shielded, used to activate the painted symbols be normally acceptable at an event?
First and foremost observing love: naked eye.
Last but not least, telescopes.
And I sometimes dabble with cameras.
Quote:Having applied from four to six coats of phosphorescent paint to the compass points, thus strengthening the residual glow effect, I find that the initial use of a UV lamp is unnecessary. The result is a soft but consistent glow lasting throughout the night that should not bother any of the other viewers.
Quote:What is this about the sky being -8 Magnitude? If one added all the sources together they might get an equivalent.
Quote:Sky Glow under optimum conditions is still darker than about 22 Magnitude.