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Old 15-05-2024, 08:52 PM
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anthony2302749
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Aristotleles with new barlow.

Evening all

Acquired a new Barlow for my planetary imaging endeavours. Decided on the Baader Q-Barlow 1.25” 1.3x/2.25x because of its modularity and that the Barlow element can be screwed directly into an eyepiece of in my case a T-Piece.

In practice, the Barlow Element is screwed directly into the T-Piece, the IR filter is screwed onto M42 side. The whole assembly is screw on to the ASI224MC which makes for a neat compact package.

I have estimated the assembled parts gives me a F/Ratio of 18 which is close to the 5 times rule which I have read about.

I got to test it out to night, so in practice it works a treat, here is an image of Aristoteles.

Cheers
Anthony
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Last edited by anthony2302749; 16-05-2024 at 03:51 PM.
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Old 15-05-2024, 10:14 PM
Leo.G (Leo)
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That's a beautiful image Anthony. What size scope (you probably mentioned it but I didn't see).
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Old 16-05-2024, 08:41 AM
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strongmanmike (Michael)
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Yeah I like this shot, very natural view

Is that a little violet fringing I can see? It's a kinda cool look and makes it resemble the view one would get through a big ass old refractor at a famous city observatory, in good seeing

Mike
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Old 16-05-2024, 03:49 PM
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Quote:
Originally Posted by Leo.G View Post
That's a beautiful image Anthony. What size scope (you probably mentioned it but I didn't see).
Hi Leo

I am using a Meade 12” LX200 GPS on EQ Wedge.

Cheers
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Old 16-05-2024, 05:06 PM
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Crater101 (Warren)
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That's very good, the shadows have given the image a real depth. Smartly done.
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Old 16-05-2024, 05:15 PM
Leo.G (Leo)
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Ah, 12 inches, that's why I can see the dinosaurs footprints. I hear an asteroid made them extinct?
With a 14" scope you'd probably see the skeletons too.
I play with nothing over 8 inches and I'm not trying to boast, I'm talking about telescopes. I did try to see the moon through my rc8 with the 5 times powermate, think I expected a bit much and couldn't achieve focus on a night of bad seeing.
With the RC8 I never remember whether it's adapters (spacers) on for visual or photography, two x 1" spacers and one 2" spacer but I keep forgetting what suits what.
Continual rain and cloud since I purchased it hasn't helped nor has the fact I haven't put my pier in yet (no observatory unfortunately on rental property). I do however have a big hole (600x600x600 (and a bit)) in the back yard full of water and I'm thinking of drilling holes in the bottom to drain it.
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Old 16-05-2024, 10:28 PM
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bkm2304 (Richard Brown)
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Impressive shot, Anthony. And I agree with Mike: looks like a big ass refractor shot or a live broadcast from an Apollo! Well done.

Richard
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Old 16-05-2024, 10:39 PM
Dave882 (David)
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Great work! That detail is fantastic and looks really natural. Love it!
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