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iii
P
OLAR
A
LIGNMENT
(
WITH OPTIONAL
W
EDGE
) .........................................................................................29
Photography with the NexStar 4 ..........................................................................................................30
Finding the North Celestial Pole .........................................................................................................31
CELESTIAL OBSERVING.......................................................................................................................32
O
BSERVING THE
M
OON
.............................................................................................................................32
O
BSERVING THE
P
LANETS
.........................................................................................................................32
O
BSERVING THE
S
UN
.................................................................................................................................33
O
BSERVING
D
EEP
S
KY
O
BJECTS
...............................................................................................................33
S
EEING
C
ONDITIONS
.................................................................................................................................33
Transparency .......................................................................................................................................33
Sky Illumination ...................................................................................................................................33
Seeing...................................................................................................................................................34
TELESCOPE MAINTENANCE...............................................................................................................35
C
ARE AND
C
LEANING OF THE
O
PTICS
.......................................................................................................35
OPTIONAL ACCESSORIES ..................................................................................................................36
APPENDIX A - TECHNICAL SPECIFICATIONS................................................................................39
APPENDIX B - GLOSSARY OF TERMS ...............................................................................................40
APPENDIX C – MAPS OF TIME ZONES..............................................................................................43
SKY MAPS..................................................................................................................................................45