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"I strongly urge you to start your own observing log
book . . . For visual observers it's the only way to show others, and
remind yourself, what this hobby is all about." Paul Markov,
Sky & Telescope, July 2007
pages. Coil Bound. Cover: black, midnight blue, or maroon leatherette
$17.99 + S&H
session-based observing log is versatile enough to help you capture ALL of your astronomical experiences, from
observations of sky conditions at your site to everything you see there --
with your eyes or through your telescope. Using a computer database?
The Diary is an excellent way of capturing detailed information at the telescope
for later input. Making CCD or photographic images? The diary is an
easy way to record specific imaging information for later reference.
And for the third
edition, we've reorganized the logging pages to provide more room for
and self-contained, the Astronomical Observers Diary is available in a compact 7"
x 10" format. It's weather and dew resistant, printed on sturdy
28-lb paper, and packed with useful features.
See actual filled out
pages from an observing session using the Diary
to the general recommendation to keep an observing log.
Features of the Diary:
Observing Session Records
The heart of the Astronomical Observers Diary is the front-and-back
Observing Session Form (at right). Each Diary includes 75
forms, with the following data entry provisions (see numbers in
Observing Conditions: Date(s), Location, Event, Group, Time,
Equipment, Moon Phase/Altitude, Seeing/Transparency, Limiting
Magnitude/ Comments, % Cloud Cover, Approximate Temperature, and
Plan for the observing session.
Objects Observed (10 on front, 10 on back): Object No./ Name,
Type/ Constellation, Time, Activity/ Notes, Reference to other
logbooks (i.e., Deep Sky) or Field Sketch page. (Planning to
observe more than 20 objects? Just open a new session at midnight! Do
you like to make lots of notes? Just use more than one line. The Diary
is designed to be versatile.)
Drawing Circles (not pictured): two for each session and a
separate section containing 48 larger circles.
In addition, the "Index of Observing Sessions" allows notes on brief
or casual observations and helps find special sessions or objects.
In addition to its reference data, the Diary contains ample space for
User Field Information and Observing Plans.
Reference Information & User Data Entry:
We've packed the Diary with helpful reference and user data
information tables that provide information you need at your
fingertips when you're observing. At the left is the Equipment
Information page, with room for reference data on (5) three
telescope/mount combinations, (6) seven eyepieces, and (7) formulae for calculating magnification,
field of view for various types of eyepieces, and lowest/highest usable power.
Site Data (RA, Dec, elevation, etc.)
Information (Greek Alphabet; Stars for Drift Alignment)
Polar Alignment Method
Quick Visual North Celestial
Pole Finder Chart
- How to Measure
Constellation Information (Pronunciation, Possessives, Meaning,
- Index of
observing sessions helps you find key records instantly.
Hints for Recording Astronomical Observations
Only $17.99 per copy (plus S&H.) Order your Diary today!
Order using PayPal or download the mail-in
Deep Sky Observer's Logbook
the Messier Observers Logbook
and the NEW
Herschel Observers Logbook
7057 S. Newland Street, Littleton, CO 80128