B0wz3r
Flashlight Enthusiast
Hello all.
Some of you may know that 2009 is the international year of astronomy. I've always had a fascination with astronomy (The Universe is one of our favorite shows), and my 9 year old son's latest career aspiration is that he wants to be an astrophysicist. (He loves watching Nova Science Now and Neil DeGrasse Tyson is his favorite astronomer right now.) So, we recently purchased a nice 4.5" reflecting telescope and an array of eyepieces, a stand for it, etc. We've had many fun filled family evenings stargazing together, and now that winter is here we're looking forward to having more observing time with the longer nights.
Does anyone have any recommendations for a night-vision preserving headlamp (in the $25 - $35 range) that can be used for these kinds of activities? Ideally it should be a frequency longer than 650 nm to not activate the photopic visual system (cone based color vision) and bright enough to be able to read star maps and coordinate ephemeri but not so bright that again, it undoes dark adapted night vision. I'd like to get at least two, one for myself and my wife to use on these occasions, and perhaps even a third for our son as well.
Thanks in advance for your suggestions.
Some of you may know that 2009 is the international year of astronomy. I've always had a fascination with astronomy (The Universe is one of our favorite shows), and my 9 year old son's latest career aspiration is that he wants to be an astrophysicist. (He loves watching Nova Science Now and Neil DeGrasse Tyson is his favorite astronomer right now.) So, we recently purchased a nice 4.5" reflecting telescope and an array of eyepieces, a stand for it, etc. We've had many fun filled family evenings stargazing together, and now that winter is here we're looking forward to having more observing time with the longer nights.
Does anyone have any recommendations for a night-vision preserving headlamp (in the $25 - $35 range) that can be used for these kinds of activities? Ideally it should be a frequency longer than 650 nm to not activate the photopic visual system (cone based color vision) and bright enough to be able to read star maps and coordinate ephemeri but not so bright that again, it undoes dark adapted night vision. I'd like to get at least two, one for myself and my wife to use on these occasions, and perhaps even a third for our son as well.
Thanks in advance for your suggestions.