5
CHAPTER 9 - PHOTOGRAPHY .................................................................................................................................. 77
C
ELESTIAL
P
HOTOGRAPHY
................................................................................................................................................... 77
S
HORT
E
XPOSURE
P
RIME
F
OCUS
P
HOTOGRAPHY
.................................................................................................................. 77
P
IGGYBACK
P
HOTOGRAPHY
.................................................................................................................................................. 79
E
YEPIECE
P
ROJECTION
.......................................................................................................................................................... 80
Effective Focal Length ..................................................................................................................................................... 81
Effective Magnification .................................................................................................................................................... 81
Effective f# or f-ratio........................................................................................................................................................ 82
L
ONG
E
XPOSURE
P
RIME
F
OCUS
P
HOTOGRAPHY
................................................................................................................... 82
CCD IMAGING................................................................................................................................................................... 84
Fastar Lens Assembly Option -- Using your Ultima 2000 telescope at f/1.95 with optional PixCel CCD Camera ........ 84
Description of F-numbers ................................................................................................................................................ 85
F
ASTAR
C
ONFIGURATIONS
.................................................................................................................................................... 86
Imaging at f/1.95.............................................................................................................................................................. 86
Imaging at f/6.3 (Medium size to small galaxies) ............................................................................................................ 86
Imaging at f/10 (Lunar or small planetary nebulae)........................................................................................................ 87
Imaging at f/20 (Planetary or lunar) ............................................................................................................................... 87
CHAPTER 10 - TELESCOPE MAINTENANCE......................................................................................................... 90
C
ARE AND
C
LEANING OF THE
O
PTICS
.................................................................................................................................... 90
C
OLLIMATION
....................................................................................................................................................................... 90
OPTIONAL ACCESSORIES ........................................................................................................................................... 92
APPENDIX A - DATA BASE STAR INFORMATION ............................................................................................... 96
A
LIGNMENT
S
TAR
L
IST
......................................................................................................................................................... 96
C
ONSTELLATION
A
BBREVIATIONS
........................................................................................................................................ 97
L
IST OF
N
AMED
O
BJECT
C
ATALOG
....................................................................................................................................... 98
APPENDIX B - ULTIMA 2000 COMMUNICATION PROTOCOL ......................................................................... 99
APPENDIX C - TECHNICAL SPECIFICATIONS ................................................................................................... 102
APPENDIX D - CCD AUTOGUIDE PIN OUT .......................................................................................................... 105
APPENDIX E - OPERATION TIPS ............................................................................................................................ 106
Setting the backlash compensations for an auto guider................................................................................................. 106
Viewing near the zenith in Alt-Az................................................................................................................................... 106
The effects of a star diagonal on pointing accuracy ...................................................................................................... 106
Viewing objects below the horizon................................................................................................................................. 107
Using Cord Wrap ........................................................................................................................................................... 107
Slewing Autostop............................................................................................................................................................ 107
GLOSSARY...................................................................................................................................................................... 108
THE SKY MAPS.............................................................................................................................................................. 112