Novice Meeting: 7:00PM
General Meeting: 8:00PM
About the General Meeting Presentation
Richard has carried out brightness measurements of the brighter planets in visible light since 1991. On April 25, 2014, he made his first brightness measurement using the J and H filters. The J and H filters are sensitive to light with wavelengths of 1.25 and 1.65 micrometers, respectively. Visible light has wavelengths of between 0.4 and 0.7 micrometers. The brightness of Venus is consistent with the light being reflected off of the cooler layers of its atmosphere. This is not the case for Mercury. It is very bright in the H filter. The albedo of Mars levels off in the J and H filter which is different from what it does in visible light. Jupiter is dimmer in the J and H filters than in visible light. Saturn’s rings have a big impact on that planet’s brightness. These results and others will be presented in this talk.
Parking and Directions (View Map)
Meetings are held in the Science & Research building at the University of Houston Main Campus. The novice meeting is in room 116, the general meeting is in room 117.
NOTE NEW PARKING INFORMATION: Parking is available in lot 15C. Refer to the Google Map below for directions. This parking is available from 6:30 p.m. until 10:00 p.m. on the Friday night of the HAS meeting.
This parking is free. If you get a notice from the UH campus police on the night of the meeting, call the UH Security office and let them know that this area has been made available on HAS meeting night by the Parking Department.