Sky and Telescope Magazine
This item contains volume seven, issue three, number seventy-five of Sky and Telescope Magazine.
Images (28)
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OCR Page 1 of 28$31008
os+
491
or
UIWD
009+1
83dd10
3711/7
1.
9040000
.08+
GONIW
vsen
.
370d
HINON
:
+40°,
Nath
+ 30°
PLEIADES
HYADES
TAURUS
ERIDANUS
Acamare
FIRST
GALAXIES
-
0°HORIZON
SECOND
.
OPEN CLUSTERS
o
DORADO
THIRO
.
GLOBULAR CLUSTERS
*
FOURTH
.
DIFFUSE NEBULAE
FIFTH
.
South
MILKY WAY BOUNDARIES
VARIABLE
JANUARY
30°HORIZON
DEEP-SKY WONDERS
44', a larger more scattered group 11' in
STARS FOR JANUARY
diameter with 80 stars in the same range
C
ASSIOPEIA, although usually not
of brightness. NGC 581, M103, 1h 26m,
from latitudes 30° to 50° north, at 9 p.m.
considered a hunting ground for clus-
+60° 11', hardly deserves the listing in
and 8 p.m. local time, on the 7th and 23rd
ters and not possessing any of the more
the Messier catalogue. Its diameter is 7'
of the month, respectively. The 40° north
interesting ones, is actually full of the
and its 60 stars run from 11th to fainter
smaller galactic clusters. Even the limited
than 13th magnitude. All of the above
horizon is a solid circle; the others are
space of Norton's Star Atlas finds room
may be easily located on the plates of the
circles, too, but dashed in part. For the
for about 17, and the NGC catalogue lists
Ross Atlas (photographic prints available
year 1948, these simplified charts replace
several times as many.
from Yerkes Observatory, Williams Bay,
our usual white-on-black maps, which may
Try NGC 654, 467, 1h 37m, + 61° 23',
Wis.), although their photographic images
be consulted in issues of prior years when
a tolerably rich but loose cluster, 5' diam-
there are hardly a guide to their telescopic
eter, with over 50 stars from 9th to 13th
aspect when viewed with the eye.
information on deep-sky wonders and less
magnitude. NGC 663, 316, 1h 39m, +60°
WALTER SCOTT HOUSTON
conspicuous constellations is desired.
January, 1948, SKY AND TELESCOPE
81
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