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Orion 5453 Instruction Manual

Premium 20-piece 1.25" color planetary filter set
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INSTRUCTION MANUAL
Orion
Premium 20-Piece 1.25"
®
Color Planetary Filter Set
#5453
A N E M P L O Y E E - O W N E D C O M P A N Y
Corporate Offices: 89 Hangar Way, Watsonville CA 95076 - USA
Toll Free USA & Canada: (800) 447-1001
International: +1(831) 763-7000
Customer Support: support@telescope.com
Copyright © 2020 Orion Telescopes & Binoculars. All Rights Re-
served. No part of this product instruction or any of its contents
may be reproduced, copied, modified or adapted, without the
prior written consent of Orion Telescopes & Binoculars.
IN 538 Rev. A 2/15

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Summary of Contents for Orion 5453

  • Page 1 Toll Free USA & Canada: (800) 447-1001 International: +1(831) 763-7000 Customer Support: support@telescope.com Copyright © 2020 Orion Telescopes & Binoculars. All Rights Re- served. No part of this product instruction or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes &...
  • Page 2 Figure 1. Comparison illustration of using filters for planetary observation. Attaching the Filters Filters require a 1.25" telescope eyepiece that can accept threaded filters. Any Orion 1.25" eyepiece will work. Simply thread the filter into the eyepiece barrel until it is finger tight.
  • Page 3 Figure 3. The Orion 1.25" 5-position (manual) filter wheel and the Orion Nautilus 1.25" 7-position (motorized) filter wheel.

  • Page 4: Filter Descriptions

    Figure 4. The Orion 1.25" 8-slot filter slider provides an affordable method to use and exchange filters quickly. Filter Descriptions Numbering/Naming of Filters Each filter is referred to by its color and Wratten number (based upon the historical standard numbering system developed by Kodak/Wratten).
  • Page 5 Types of Filters The following types of filters are included in this set. YELLOWS BLUES AND BLUE GREENS WB Light Yellow 83% LT W38A Blue 17% LT W11 Yellow-Green 40% LT W44A LightBlueGreen 14% LT W12 Yellow 74% LT W46 Deep Blue 2% LT W15 Deep Yellow 66% LT...
  • Page 6 Figure 6. Visible spectrum graph (400nm to 700nm). Visible spectrum transmission graphs A spectral curve graph in the visible spectrum range (400nm to 700nm) is given for each filter and can be used to examine how the spectral transmittance curve of a particular filter transmits or blocks certain wavelengths.
  • Page 7 Description and Uses for Individual Filters #8 Lt. Yellow 83% Transmission Description: Longpass filter blocking visible wavelengths below 465nm Enhances: • Detail in red and orange features • Lunar detail in small telescopes • Surface plains and maria on Mars •...
  • Page 8 #11 Yellow-Green 40% Transmission Description: Color correction filter Enhances: • Reduces lunar glare • Darkens maria on Mars • Cloud bands of Jupiter • Comet impacts on Jupiter • Improved resolution of dusky detail on Uranus and Neptune in 10” aperture and above •...
  • Page 9 #12 Yellow 74% Transmission Description: Minus blue filter Complements #32 minus green and #44A minus red Longpass filter blocking visible wavelengths below 500nm Enhances: • Mercury/sky contrast • Surface features on Mercury • Lunar feature contrast • Reduces Lunar glare •...
  • Page 10 #15 Deep Yellow 6% Transmission Description: Longpass filter blocking visible wavelengths below 510nm Enhances: • Mercury/sky contrast • Lunar feature contrast • Reduces Lunar glare • Atmospheric clouds on Mars • Surface plains and maria on Mars • Polar ice caps of Mars •...
  • Page 11 #21 Orange 46% Transmission Description: Longpass filter blocking visible wavelengths below 530nm Enhances: • Mercury/sky contrast • Surface plains and maria on Mars • Dust storms on Mars • Cloud bands on Jupiter • Loops, festoons and ovals on Jupiter •...
  • Page 12 #23A Lt. Red 25% Transmission Description: Longpass filter blocking visible wavelengths below 550nm Enhances: • Mercury/sky contrast • Venus/sky contrast • Surface plains and maria on Mars • Belts of Jupiter • Polar regions of Jupiter • Belts of Saturn •...
  • Page 13 #25 Red 14% Transmission Description: Longpass filter blocking visible wavelengths below 580nm Enhances: • Mercury/sky contrast • Surface features on Mercury • Venus/sky contrast • Reduces glare from Venus • Terminator on Venus • Lunar transient phenomenon (LTP) • Surface plains and maria on Mars •...
  • Page 14 #29 Deep Red 6% Transmission Description: Longpass filter blocking visible wavelengths below 600nm Enhances: • Mercury/sky contrast • Surface features on Mercury • Venus/sky contrast • Terminator on Venus • Surface plains and maria on Mars • Polar ice caps of Mars •...
  • Page 15 #30 Lt. Magenta 27% Transmission Description: Green absorption filter. Transmits red and blue. Enhances: • Red and blue features on Mars • Ovals of Jupiter • Rings of Saturn • Blue/green contrast on Uranus • Blue/green contrast on Neptune...
  • Page 16 #32 Magenta 13% Transmission Description: Minus green filter Complements #12 minus blue and #44A minus red Enhances: • Red and blue features on Mars • Ovals of Jupiter • Rings of Saturn • Blue/green contrast on Uranus • Blue/green contrast on Neptune...
  • Page 17 #38A Blue 17% Transmission Description: Absorbs red, some UV and some green light Enhances: • Clouds and atmospheric features of Venus • Contrast of Venus in large telescopes • Atmospheric clouds on Mars • Dust storms on Mars • Belts on Jupiter •...
  • Page 18 #44A Lt. Blue-Green 14% Transmission Description: Minus red filter Complements #12 minus blue and #32 minus green Enhances: • Lunar transient phenomenon (LTP) • Limb hazes of Mars • Terminator clouds of Mars...
  • Page 19 #46 Deep Blue 2% Transmission Description: Absorption filter Enhances: • Clouds/atmospheric features on Venus • Reduces Venus glare in large telescopes • Lunar detail in large telescopes • “Blue clearing” on Mars in large telescopes...
  • Page 20 #47 Violet 3% Transmission Description: Blue tricolor filter used for color separation Enhances: • Clouds/atmospheric features on Venus • Reduces Venus glare in large telescopes • Lunar detail in large telescopes • “Blue clearing” on Mars in large telescopes • Polar ice caps of Mars in large telescopes •...
  • Page 21 #56 Lt. Green 53% Transmission Description: Absorption filter Enhances: • Lunar detail in small telescopes • Dust storms of Mars • Polar ice caps of Mars • Frost patches of Mars • Surface fogs of Mars • Belts of Jupiter •...
  • Page 22 #57 Med. Green 33% Transmission Description: Absorption filter Enhances: • Mercury/sky contrast • Lunar detail in small telescopes • Rings of Saturn • Blue/green contrast on Uranus • Blue/green contrast on Neptune...
  • Page 23 #58 Green 24% Transmission Description: Green tricolor filter used for color separation Enhances: • Clouds/atmospheric features on Venus • Polar ice caps of Mars • Melt lines on Mars • Frost patches on Mars • Limb hazes on Mars • Terminator clouds on Mars •...
  • Page 24 #64 Blue-Green 25% Transmission Description: Minus red absorption filter Enhances: • Ice fogs of Mars • Polar hazes of Mars...
  • Page 25 #80A Med. Blue 28% Transmission Description: Light balancing filter Enhances: • Lunar feature contrast • Reduces Lunar glare • Atmospheric clouds on Mars • Polar ice caps of Mars • Belts of Jupiter • Cloud bands of Jupiter • Loops of Jupiter •...

  • Page 26: Care And Storage

    #82A Lt. Blue 73% Transmission Description: Cooling light balancing filter Enhances: • Areas of low contrast on the Moon • Areas of low contrast on Mars • Areas of low contrast on Jupiter • Areas of low contrast on Saturn •...

  • Page 27: One-Year Limited Warranty

    A N E M P L O Y E E - O W N E D C O M P A N Y Copyright © 2020 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied, modified or adapted, without the...