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I am going to buy my first telescope and I can't make up my mind with the focal ratio. I have seen this two option within my budget
Skywatcher 130/1000 eq2 with a f/7.7 ratio
Meade 130 Polaris EQ with 650 mm focal length and f/5 ratio.
I read that a f/7.7 would be better to watch planets while f/5 would be better to watch galaxies and nebulae and will also give a brighter image.
As I am new and never looked through a telescope like those I don't know which to choose. The idea of looking at galaxies really excited me but I also wanted to see planets such as Jupiter or Saturn and it's moons, and at the moment I am not considering photography as I still need to get familiar with the telescope but in the future I would love to take some photos so brightness could be important.
My question is how much difference would I noticed between these two focal ratio when I looked at planets and galaxies. Would I get a much better view of Saturn with a f/7.7 or not really?
Thanks in advance for your advices
Work in progress
Started this Saturday night. I love these galaxies and been wanting to image them a long time.
So far, only 30 x 60s L and 10 x 60s RGB.
C11 with focal reducer (1760mm), ASI183mm Pro. Astrodon filters. Mesu 200. Pixinsight.
Thanks for looking
Having had such a great experience with the Orion Nebula, my next target will be the Andromeda Galaxy! My Sky Safari app tells me it should be to the west northwest near the zenith. I assumed it would be visible to the naked eye but I can’t find it. Am I just not looking hard enough?
This is the first image i post here.
It has been taken in August/September from my backyard. It is one of my first image taken with my new Moravian G4-16000 CCD camera.
Taken with my TeleVue NP101is modified with a new focuser :
Modifications can be viewed here : http://www.poigetdigitalpics.com/photo-equipment3.html
SH2-171 in LHa - R(ha)GB :
Full resolution image in 4k x 4k at this link : http://www.poigetdigitalpics.com/G4-16000/sh2-171 New Version.htm
For Sale: TeleVue Ethos 3.7mm SX eyepiece