Light Measurements

Different spells will affect light in various ways. Harath uses Lux to determine the amount of light that something generates. 1 Lux is equivalent to 1 sq meter of light. The following chart gives some common values generated by the formula = 10^(Mana/20):

Lighting Values

Power	Lux	Indoor Scale (3m distant)	Outdoor Scale	Spaces	Visibility
	0		Total Darkness		9 penalty to visual tasks
	0.00001		Near Total Darkness		8 penalty to visual tasks
	0.0005		Moonless, cloud covered night		7 penalty to visual tasks
	0.002		Starlight, no moon		6 penalty to visual tasks
	0.01		Starlight, 1/4 moon		5 penalty to visual tasks
	0.05		Moon below Half		4 penalty to visual tasks
	0.2		Moon above Half		3 penalty to visual tasks
1	1.12	Candle	Deep Twilight		2 penalty to visual tasks
5	1.78	Nightlight	Late twilight on a cloudy day (6:30 PM Feb in VA)		+5 Hide in Shadows
10	3.16	Alarm Clock	Early twilight on a clear day (6:30PM Feb in VA)	Residential Walkway	+4 Hide in Shadows; 1 penalty to visual tasks
15	5.62	Nightlight	Pedestrian walkway	Pedestrian walkway	+3 Hide in Shadows
20	10.00	15 watt incandescent bulb	Well lit street at night	Commercial Walkway	+2 Hide in Shadows
25	17.78	25 watt incandescent bulb	Parking Deck Lighting	Street Intersection	+1 Hide in Shadows
30	31.62	30 watt incandescent bulb	Sun on a clear day (1810 Feb in VA)	Sidewalk	Min reading
35	56.23	40 watt incandescent bulb	Pump Island at Gas Station	Stairs, Ramps
40	100.00	60 watt incandescent bulb	Very Dark Overcast Day	w/in 3 m of ATM	Casual Seeing
45	177.83	100 watt incandescent bulb	Sun on a clear day (0640 Feb in VA)	Outdoor merchandise display	Some perception of details
50	316.23	150 watt incandescent bulb		Classrooms	Moderately easy visual tasks; Reading
55	562.34	60 watt Fluorescent light bulb		Office Building	Moderately difficult visual tasks
60	1,000.00	Computer Projector	Overcast Day	Treatment Rooms	Very difficult visual tasks
65	1,778.28	Studio Lighting	Stadium Lighting	TV Studio	Extremely difficult visual tasks
70	3,162.28	Dental Lighting		Dental Office	Exceptionally difficult visual tasks
75	5,623.41	Grow Lighting		Dental Office	-1 Hide in Shadows
80	10,000.00	Grow Lighting	Sun on a clear day (0900 Feb in VA)		-2 Hide in Shadows
85	17,782.79		Sun on a clear day (1000 Feb in VA)		-3 Hide in Shadows
90	31,622.78		Sun on a clear day (1100 Feb in VA)	Operating Room	-4 Hide in Shadows
95	56,234.13	Operating Room	Sun on a clear day (1200 Feb in VA)	Operating Room	-5Hide in Shadows
100	100,000.00		Sun on a clear day (1200 Feb in VA)
103	141,253.75		Sun on a clear day (1200 Feb at the equater)