HAL Logo

HOWARD

ASTRONOMICAL

LEAGUE

A Multiverse of Possibilities

Alpha Ridge CSC

Coming Soon

Past HAL Meeting Presentations and Other Astronomy Related Materials of Interest

PDF files require Adobe Acrobat Reader to view; obtain free copy at Adobe
PowerPoint Viewer for those that do not have MS Office. Download here.

Light Pollution Bill Letter

Joel's Instructions (Word)
Form Letter (Word)

Observation Aids

Teresa Palomar's Constellation Hunter Observer Form (Word, 66KB)
Teresa's Observation Log Form (PDF file)

Presentation Materials

2012 Mars Observation (Richard Orr) (PPT, 3.9MB, PDF 2.7MB)
- Mars Observation Form 1 (J. Willinghan JPEG 743K)
- Mars Observation Form 2 (J. Willinghan PDF 35.5K)
A Trio of Terror! (PowerPoint, 625 KB)
AAVSO Variable Stars.ppt (Powerpoint, 1652 KB)
Astronomy and Life on Earth (PowerPoint, 5721 KB)
Astronomy and Natural History (PowerPoint, 6716 KB)
College of Collimation (from 8/21/2008 HAL Meeting)
- SCT Collimation (PDF, 354K)
- Newtonian Collimation (PDF, 153K)
Evolution of Eyepieces (PDF, 2.57M)
Here Comes Saturn! - Jan 2004 (PowerPoint, 3510 KB)
I Can See Clearly Now (PowerPoint, 2245 KB)
Lunar Madness and Planetary Thrills, Part 1 - Sep-16-04 (Richard Orr) (PowerPoint, 1485 KB)
Lunar Madness and Planetary Thrills, Part 2 - Oct-21-04 (Richard Orr) (PowerPoint, 2812 KB)
Lunar Madness and Planetary Thrills, Part 3 - Dec-16-04 (Richard Orr) (PowerPoint, 3513 KB)
Ron Smith's Messier Marathon Presentation (PowerPoint, 3621 K)
Size and Distance Matters (PowerPoint, 1813 KB)
Star Stuff (PowerPoint, 6088 KB)
STEREO Presentation 1/18/07 (ZIP 67.4MB)
Ten Things You Might Like to Know About the Moon (PowerPoint, 3325 KB)
The Ones That Move (PowerPoint, 5064 KB)
Telescope Filters (Jerry Persall) (PowerPoint, 765 KB)
Telescope Filter Comparison Chart 8-17-06 (PDF, 49KB)
Telescope filters' script (Jerry Persall) (Word, 34 KB)
Teresa Palomar's Messier Hop Tour (GIF, 7K) 4/20/2006
The Retina (PowerPoint, 820K) 5/21/09
Things You Could Have Seen Tonight - The Moon (Richard Orr) (PowerPoint, 1395 KB)
Urban Astronomy Club (PowerPoint, 81 KB)
Variable Stars (PowerPoint, 1691 KB)
Variable Stars 2 (PowerPoint, 367 KB)

© 1999-2012 Howard Astronomical League. All Rights Reserved