Astronomy Laser Pointer
For astronomers, an astronomy laser pointer can go a long way to help improve your skills at identifying specific stars in the night sky. Unlike the standard pocket laser pointer, an astronomy laser pointer has a much stronger beam. This is so that the beam is capable of reaching far into the sky prior to dimming. This is a requirement in order for the beam to be seen towards the direction of the star you are attempting to point out.
An astronomy laser pointer functions by targeting a high powered laser beam towards the star you are attempting to point out. When this beam is turned on, dust and other particles are struck, allowing the beam to be seen in the night sky. Where the eye can no longer trace the beam is what the 'point' of the beam will show.
There are several benefits to using an astronomy laser pointer. First, these pointers will function in any sort of weather condition, although they work best on clear nights when the stars are visible. While the pointers function on cloudy days, you may find the astronomy laser pointer may lack the desired range. In addition to this, these pointers are colored in such a way where the eye can easily detect the beam. While red laser pointers are very common, they are on a different color spectrum than the customary green of an astronomy laser pointer.
There are a few things you should keep in mind when using an astronomy laser pointer. First, you should never use one of these pointers when there are observers who do not want it in use. Ask permission from other observers before you use your pointer. This is particularly important if there are photography sessions going on. An astronomy laser pointer has sufficient power to catch on exposures of cameras, which can ruin a photographer's efforts. In addition to this, it is vital that an astronomy laser pointer is never pointed into the eyes of a person or an animal. Permanent damage can be done to the retina by these high powered beams in a matter of a quarter of a second. Unlike the pocket laser pointers most people acquire, these beams are strong enough to burn extremely quickly. While the blink reflex of the average human or animal can prevent this damage, it is not a guaranteed thing.
As well, unlike low grade laser pointers, an astronomy laser pointer should never be operated for more than one minute at a time. The laser is sufficiently strong enough to generate a significant amount of heat.
Astronomy laser pointers can be ordered online or through specialty stores.