Weight rating Skyview Pro and Skyview Sirius EQ-G

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chris_g
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Weight rating Skyview Pro and Skyview Sirius EQ-G

#1

Post by chris_g »

Hello all,

Does any one know the weight ratings for the Skyview Pro and Skyview Sirius EQ-G mounts? Orion's web site doesn't list them in the specs, I'm assuming the EQ-G can handle more since it's heavier and Orion says it's good for deep sky imaging and it didn't recommend the Skyview Pro for that. Anybody know why? The 8" reflector OTAs are identical on either kit.
Backyard Bortle scale 4, 31.12972, -92.06379
Mount, Sky Watcher EQ6-R Pro,
Scope, Sky Watcher ED80 APO Doublet,
Guide Scope, Orion 60mm Multi-Use Guide Scope
Canon T3i, 18-55mm F3.5 to 5.6, 28-135mm F/3.5 to 5.6, Nifty Fifty F/1.8
ZWO ASI120MM Mini
Eyepieces 1.25" 25mm LE, 1.25" 5mm LE
Samsung Note 20 Ultra, 7mm, F/1.8
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Refractordude
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Re: Weight rating Skyview Pro and Skyview Sirius EQ-G

#2

Post by Refractordude »

I own the Skyview Pro eq mount. With an extension tube and shorten 1.75" tripod legs, no more then about 22 pounds. I replaced the dew shield with a lighter Astrozap, but I added a 2" diagonal and dual finder mount. The extension tube and shorten tripod legs makes it stable. I say about 2 1/2 seconds shake time at high mag. I read that the tracker that is made for this mount is so so for astrophotography, which I know nothing about.
Last edited by Refractordude on Sat Jan 30, 2021 5:26 am, edited 1 time in total.
Telescopes: Celestron 150mm f/8 Refractor, Meade LX70 120mm f/8 Refractor, Vixen 70mm f/12.9 Refractor, Orion ST80, Tasco 49N 50mm Red Refractor
Binoculars: Orion GiantView ED 16x80, Zhumell Giant 20x80, Oberwerk LW 11x70, Levenhuk Sherman 7x50
Mounts: Orion SkyView Pro Equatorial, Orion Versago II Altazimuth, Farpoint Universal Parrallelogram Mount, Orion Paragon-Plus Parrallelogram Mount, Orion Tritech II Fluid Head Tripod
Finders: GSO 8x50 Raci, Svbony Red Dot
Diagonals: GSO Dielectric 2", GSO Dielectric 1.25"
Eyepieces: Starguider Dual ED 12mm/15mm/18mm, Long Perng LER 5mm/6mm/9mm, BST UWA 4mm/7mm, AgenaAstro 8mm-24mm Zoom, Meade 56mm Plossl, GSO Superview 30mm, Astromania-Olivon 22mm, Celestron Ultima Edge 30mm, GSO Plossls 32mm/25mm/20mm, GSO 20mm Superview, Svbony 20mm/15mm/9mm/6mm, Svbony Aspheric 23mm/10mm/4mm, Agena Super Wide Angle 15mm, GSO 2" 2x ED Barlow Lens, Few No Name Brand Ebay Plossls
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Lady Fraktor
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Re: Weight rating Skyview Pro and Skyview Sirius EQ-G

#3

Post by Lady Fraktor »

The Skyview Pro is a EQ-4 class mount with a 20 lb weight capacity, the Sirius EQ-G is a EQ-5 class mount with a capacity of 30lb.
Telescopes: 1 more than I need but 2 less than I want
Mounts: 5 Equatorial, 3 Az/ Alt
Diagonal: 3 mirror, 2 Amici, 1 Herschel
Eyepieces: Possibly more than 1 person requires
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chris_g
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Re: Weight rating Skyview Pro and Skyview Sirius EQ-G

#4

Post by chris_g »

Lady Fraktor wrote: Sat Jan 30, 2021 5:25 am The Skyview Pro is a EQ-4 class mount with a 20 lb weight capacity, the Sirius EQ-G is a EQ-5 class mount with a capacity of 30lb.
Thank you Lady Factor.

A couple more questions then please, if the Celestron Advanced VX has a rated capacity of 30 pounds that makes it an EQ-5 class mount?

I ask because the Advanced VX with a 6" aperture dobsonian is about $500 less than the Sirius EQ-G with an 8" dobsonian. Would the OTA make that big of a difference in the cost?
Backyard Bortle scale 4, 31.12972, -92.06379
Mount, Sky Watcher EQ6-R Pro,
Scope, Sky Watcher ED80 APO Doublet,
Guide Scope, Orion 60mm Multi-Use Guide Scope
Canon T3i, 18-55mm F3.5 to 5.6, 28-135mm F/3.5 to 5.6, Nifty Fifty F/1.8
ZWO ASI120MM Mini
Eyepieces 1.25" 25mm LE, 1.25" 5mm LE
Samsung Note 20 Ultra, 7mm, F/1.8
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Lady Fraktor
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Re: Weight rating Skyview Pro and Skyview Sirius EQ-G

#5

Post by Lady Fraktor »

Yes the Celestron is also a EQ-5 class mount, Vixen made the original then Celestron cloned it.
A good workhorse mount.
Telescopes: 1 more than I need but 2 less than I want
Mounts: 5 Equatorial, 3 Az/ Alt
Diagonal: 3 mirror, 2 Amici, 1 Herschel
Eyepieces: Possibly more than 1 person requires
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Lady Fraktor
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Re: Weight rating Skyview Pro and Skyview Sirius EQ-G

#6

Post by Lady Fraktor »

I will say that unless everything is perfectly balanced a 200mm newtonian on a EQ-5 can make it struggle due to the moment arm of the tube and surface area of the telescope.
It makes a nice sail. ;)

At one point Celestron and Orion both sold these mounts with a 305mm newtonian, to much for a EQ-5 and WAY to much for a EQ-4!
I think they offered these for less than a year. :lol:
Telescopes: 1 more than I need but 2 less than I want
Mounts: 5 Equatorial, 3 Az/ Alt
Diagonal: 3 mirror, 2 Amici, 1 Herschel
Eyepieces: Possibly more than 1 person requires
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JayTee
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Re: Weight rating Skyview Pro and Skyview Sirius EQ-G

#7

Post by JayTee »

Check out this post and the associated spreadsheet.
viewtopic.php?f=54&t=1041

Cheers,
JT
JT
∞ Scopes: Celestron CPC1100 #2 Scope: 8" f/7.5 Dob AP Scopes: TPO 6" f/9 RC, ES 80mm f/6 APO G&G Scopes: Meade 102mm f/7.8, Bresser 102mm f/4.5 Guide Scopes: 70 & 80mm fracs
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