OF THE ROGER N. CLARK
OF THE ROGER N. CLARK
OF THE ROGER N. CLARK
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
--<br />
VISUAL ASTRONOMY <strong>OF</strong> <strong>THE</strong> DEEP SKY<br />
NGC 1647 RA= 04 46 . 1 Oec= +19 05 (2000.<br />
• < 7.5<br />
• 7.5-8 .5<br />
• 8.5-9 .5<br />
• 9.5-10. 5<br />
• 10 .5- 11.5<br />
. 1 1.5-12.5<br />
• 12.5-13.5<br />
• 13.5-14.5<br />
• 14.5-15.5<br />
Viewing<br />
25x:<br />
50x:<br />
distance<br />
64 100x:<br />
32 200x:<br />
>15.5 Sca le= 2.1 3 arc--m in<br />
APP ENDIX B: STAR CLUSTERS FOR FINDING YOUR LIMITING MAGNITUDE<br />
NGC 164 7<br />
• < 7.5<br />
• 7.5-8 .5<br />
• 8.5-9 .5<br />
9.<br />
•<br />
.5-10 .5<br />
• 10 . 5- 11 .5<br />
RA= 04 46 . 1 Oec= +19 05 (2000 .0)<br />
• 11.5-12 .5<br />
• 12 .5-13.5<br />
· 13 .5-14 .5<br />
14.5-15.5<br />
>15.5<br />
N<br />
Viewing distance<br />
25x: 64 100x:<br />
50x: 32 200x:<br />
Sc a le= 2. 1 3 arc-min<br />
in<br />
cm<br />
16<br />
8<br />
/ cm<br />
c10<br />
·rl<br />
E<br />
I<br />
u<br />
L<br />
ro<br />
'-----"'<br />
--I--l<br />
QJ<br />
(f) 0<br />
Y-<br />
Y-<br />
0<br />
>-<br />
-10<br />
• •<br />
•<br />
•<br />
•<br />
•<br />
•<br />
• 146 .<br />
146·137<br />
96<br />
• , 124<br />
• 133<br />
118<br />
124.<br />
"145<br />
·117 . 126 t 52<br />
146 . -1 17<br />
. 130 .<br />
145<br />
.141 · .155 .157 .157<br />
· 131 .153 . 145<br />
•<br />
14<br />
•<br />
. 163 ·152<br />
.144<br />
153 .145<br />
.144<br />
. 114 153· .95 ; 23 . 155 .144<br />
•<br />
.107 .152<br />
.137<br />
. 129 .154<br />
·128<br />
115 .<br />
141.<br />
153 _129<br />
154 ••<br />
· 150<br />
. 111 •<br />
103 • • 140<br />
14 <br />
13 i .132 99<br />
. 138 • .1 25 116<br />
• 151<br />
• • 111 ·149<br />
; 24 1 36 . •<br />
• 1<br />
124 1 4J4<br />
161 . •<br />
.<br />
103 120.143 • •<br />
• 152 . 158 ·146<br />
133. 146<br />
• 139 • •<br />
• 151 .101<br />
• 145 .157<br />
. 122<br />
.153 •<br />
.147<br />
. 135<br />
.13<br />
. 136<br />
140 ·138<br />
. 158<br />
.140<br />
152· l11J 157<br />
.102<br />
48<br />
• • .137<br />
.156<br />
•<br />
153 • •<br />
131 . 137<br />
•<br />
• 141<br />
•<br />
• . • 127<br />
•<br />
•<br />
• • •<br />
•<br />
•<br />
•<br />
•<br />
•<br />
•<br />
•<br />
•<br />
••<br />
••<br />
•<br />
•<br />
,<br />
•<br />
..<br />
•<br />
• •<br />
•<br />
•<br />
.<br />
• ..<br />
•<br />
•<br />
•<br />
•<br />
• • •<br />
. . • • •<br />
•<br />
-<br />
• •<br />
•<br />
•<br />
•<br />
•<br />
•<br />
e132<br />
.133<br />
·148<br />
10 0 -10<br />
X Offset (arc-min)<br />
10 0 -10<br />
X Of fset (arc-min)<br />
252<br />
253