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Mars At Opposition

Mars reaches opposition on October 13th, making this the ideal time for observing! Opposition is when the Earth passes directly between a planet and the Sun. This coincides with the planets closest approach to Earth, providing an excellent opportunity for great views in a telescope.

On the 13th Mars will have an apparent size of 22.3 arcseconds, making this an exciting opportunity. The next time Mars will appear larger than 20 arcseconds during opposition is in 2033, so get your cameras ready for imaging during this close pass!

We've selected some useful gear for imaging and observing Mars during opposition, as well as at other times:

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Solar Accessories

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Orion E-Series Safety Film Solar Filters
These budget-friendly Safety Film Solar Filters feature a durable black-polymer film filter material that display high-contrast, clear views of the Sun in a pleasing yellow-orange color. Safely observe sunspots, eclipses, and more.
$27.99 - $32.99
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Meade Full Aperture Glass Solar Filters
The perfect accessory to allow your telescope to SAFELY view the Sun! Available in different sizes to fit your telescope. The reflective helios solar glass filter blocks 99.999% of incoming light for protection and is ISO certified.
$169.99 - $299.99

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Coronado Adapter Rings for Double Stack Filters
Coronado adapter ring, required to double stack a second external primary Etalon filter, which dramatically boosts contrast of solar features. Telescope and double stacking filter sold separately.
$24.99 - $34.99

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2.54" ID Set of Orion E-Series Solar Filters for Binoculars
2.7 / 5.0
Once installed on 50mm binoculars, these E-Series Solar Filters safely display the Sun in a pleasing, natural yellow-orange color. Set of two filters. Binoculars not included.
$54.99

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Coronado BF-5 5mm Solar Blocking Filter
The Coronado BF-5 right angle (1.25" diagonal) type secondary blocking filter is the second element in any Coronado H-alpha system. It is just as crucial to your safety and the system's performance as the front element.
$429.99

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Coronado 1.25" Cemax 2x Barlow Lens
The enhanced fully multi-coated CEMAX 2X Barlow Lens is specifically designed for use at H-alpha (or Ha) wavelengths. It uses optimized coatings to enhance contrast, minimize glare and also affords excellent contrast.
$89.99
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Coronado V-Style Dovetail
6" long aluminum dovetail with slotted holes. Attach this to your scope, then use it to mount the scope assembly onto a suitable Vixen style Saddle Plate on a mount.
$34.99

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Coronado SOL Ranger Solar Viewfinder
The Coronado SOL Ranger projects a small image of the solar disk onto the rear of the viewfinder where it is visible to the solar telescope user. Center the image in the viewfinder and the solar telescope is aligned with the Sun.
$129.99
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Please Note:
Any discounts and/or promotional offers apply only to products listed on their respective pages. Prices valid only while supplies last and are limited to stock on hand.

Products on sale or subject to promotional offers are limited to two units per customer. Large volume orders are subject to special order policies — contact our Customer Service Department for additional details.

Pricing and/or promotions are subject to change without notice.