Celestron 93507 manual Observational Data Sheet

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Observational Data Sheet

Yearly Meteor Showers

Shower

Date

Peak

Hourly Rate

Quadrantids

Jan 01-Jan 05

4-Jan

60-200

Lyrids

Apr 16-Apr 25

21-Apr

15

pi-Puppids

Apr 15-Apr 28

23-Apr

Var.

eta-Aquarids

Apr 19-May 28

5-May

60

June Bootids

Jun 26-Jul 02

27-Jun

Var.

July Phoenicids

Jul 10-Jul 16

13-Jul

Var.

Southern delta-Aquarids

Jul 12-Aug 19

27-Jul

20

Perseids

Jul 17-Aug 24

12-Aug

120-160

alpha-Aurigids

Aug 25-Sep 05

31-Aug

10

Draconids

Oct 06-Oct 10

8-Oct

Var*.

Orionids

Oct 02-Nov 07

21-Oct

20

Leonids

Nov 14-Nov 21

17-Nov

100*

alpha-Monocerotids

Nov 15-Nov 25

21-Nov

Var.

Phoenicids

Nov 28-Dec 09

6-Dec

Var.

Puppid-Velids

Dec 01-Dec 15

7-Dec

10

Geminids

Dec 07-Dec 17

13-Dec

120

Ursids

Dec 17-Dec 26

22-Dec

10

* These meteor showers have the potential of becoming meteor storms with displays of thousands of meteors per hour.

Solar Eclipses in North America plus Total Eclipses Around the World

Date

Eclipse Type

Duration

Location

2001

Dec 14

Annular

03m53s

North America, Hawaii

2001

Jun 21

Total

04m57s

South Africa, Madagascar

2002

Dec 04

Total

02m04s

S. Africa, Indonesia, Australia

2002

Jun 10

Annular

00m23s

West, Midwest, Hawaii, Alaska

2003

May 31

Annular

03m37s

Alaska

2003

Nov 23

Total

01m57s

Australia, New Zealand, S. America

2005

Apr 08

Partial

00m42s

Florida, Southwest

2006

Mar 29

Total

04m07s

Africa, Europe, Asia

2008

Aug 01

Total

02m27s

Europe, Asia

2009

Jul 22

Total

06m39s

Asia, Hawaii

2010

Jul 11

Total

05m20s

South America

2012

May 20

Annular

05m46s

West, Hawaii, Alaska

2012

Nov 13

Total

04m02s

Australia, S. America

2013

May 10

Annular

06m03s

Australia, N.Z.

2014

Oct 23

Partial

-

West, Midwest, Alaska

2015

Mar 20

Total

02m47s

Europe, N. Africa, Asia

2016

Mar 09

Partial

04m09s

Hawaii, Alaska

2017

Aug 21

Total

02m40s

Across the U.S.!

2019

Jul 02

Total

04m33s

S. America

2020

Dec 14

Total

02m10s

S. America

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Image 72
Contents Page Introduction Quick Setup Assembly Telescope Maintenance Appendix E Time Zone MAP SKY Maps Observational Data Sheet Page Center Leg Brace Tension KnobLeg Finderscope Alignment Star Control Panel Auxiliary PortSetting Up The Tripod Assembling the NexStarAdjusting the Tripod Height Attaching the NexStar to the TripodAttaching the Hand Control 3a Attaching the Hand Control for NexStar 8 GPSAdjusting the Clutches Star DiagonalEyepiece Finderscope Installation FinderscopePowering the NexStar Aligning the FinderscopeNexStar Hand Control Alignment Procedures Hand Control OperationFew Words on GPS GPS AlignmentAuto-Align HelpfulHint Two Star Alignment Quick-AlignHelpful Hint EQ North / EQ South Alignment NexStar Re-AlignmentObject Catalog Finding PlanetsSelecting an Object Slewing to an ObjectTour Mode Direction ButtonsRate Button Setup Procedures Alt-AzEQ North EQ SouthScope Setup Features Utility Features MenuHelpful Hint NexStar GPS Menu Alignment ListImage Orientation Focusing Calculating MagnificationDetermining Field of View General Observing Hints Celestial Coordinate System Celestial sphere seen from the outside showing R.A. and DECMotion of the Stars Polar Alignment with optional Wedge Finding the North Celestial PoleWedge Align Declination Drift Method of Polar Alignment DefinitionPage Observing the Moon Observing the PlanetsLunar Observing Hints Planetary Observing HintsObserving the Sun Observing Deep Sky ObjectsSeeing Conditions TransparencySeeing Short Exposure Prime Focus Photography Lunar Phase ISO Crescent Quarter Eyepiece ProjectionFull Long Exposure Prime Focus Photography Planet ISO Moon Mercury Venus Mars Jupiter SaturnPeriodic Error Correction PEC Using Periodic Error CorrectionTerrestrial Photography CCD Imaging MeteringReducing Vibration Fastar Compatible Optical System Fastar F/2 Imaging With Reducer/CorrectorPin out diagram for Autoguider port Auto GuidingCare and Cleaning of the Optics CollimationCollimated telescope Should appear Super Modified Achromatic SMA Eyepieces 1 ¼ Page Page Optical Specification NexStar 8 GPS NexStar 11 GPS Electronic SpecificationsMechanical Specifications Software SpecificationsAppendix B Glossary of Terms Page Page Appendix C Longitudes Latitudes Georgia Minnesota Rhode Island Canada Description PC Command Ascii Hand Control Response Communication ProtocolSend a Slow-Goto Command Through RS232 To The Hand Control Reset The Position Of Azm Or AltSend Any Track Rate Through RS232 To The Hand Control Appendix E Maps of Time Zones Page Page Page Page Page Page Page Observational Data Sheet Celestron TWO Year Warranty

93507 specifications

The Celestron 93507 is a powerful and versatile telescope designed for both amateur and seasoned astronomers. This model combines advanced technologies and practical features to deliver an enriching stargazing experience. One of the standout characteristics of the Celestron 93507 is its robust optical design. It features a 90mm aperture, allowing users to capture bright, detailed views of celestial objects, from the lunar surface to distant galaxies. The telescope employs a Maksutov-Cassegrain optical design, known for its compact form factor and high-quality images, free from chromatic aberration.

In terms of usability, the Celestron 93507 is designed with an easy setup in mind. It comes equipped with a solid mount that provides stability during observation. The mount also includes slow-motion controls, facilitating smooth panning across the night sky, allowing astronomers to track celestial objects effortlessly. This feature is particularly beneficial for viewing planets and other fast-moving astronomical phenomena.

Furthermore, the telescope comes with high-grade optics, including fully coated glass elements that enhance light transmission and ensure sharper images with higher contrast. It includes two eyepieces — a low-power 25mm and a high-power 10mm — that provide versatility in viewing options, whether you’re looking at wide expanses of the night sky or zooming in on close details of lunar craters.

Additionally, the Celestron 93507 is compatible with various Celestron accessories, including solar filters and advanced eyepieces, enabling users to expand their observational capabilities. The telescope's compact design makes it portable, perfect for amateur astronomers who enjoy taking their telescope for trips to dark-sky locations.

Another noteworthy feature of this telescope is its durability. Built to withstand the rigors of outdoor usage, the materials used in the Celestron 93507 are resistant to wear and tear, ensuring that users can enjoy stargazing for years.

Overall, the Celestron 93507 is a well-rounded instrument that combines advanced optical technology, user-friendly features, and portability, making it an excellent choice for anyone looking to explore the wonders of the universe. Whether you're interested in planetary observation, lunar details, or deep-sky wonders, this telescope offers the tools necessary to make your astronomical explorations rewarding.