This searchable atlas might just be for you. Canadian Hairy Stars - ScienceWeb offering for comet buffs. Packed with images, video, and tips for amateur astronomers.
Site explains the atmo-tropospheric details.
Gemini Observatory - Multinational collaboration on twin 8.1 meter astronomical telescopes presents project updates, employment opportunities, and committee reports. Herzberg Institute for Astrophysics - Operating astronomical observatories for the Canadian Government. See Sun- and Moonrise tables, public info, plus details of educational events. Life on Mars - Exploration of the data suggesting sentience on the red planet. Meteorite analysis, Viking and Sojourner images, and paleontological comparisons.