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So You Wanna Buy a Telescope: Advice for Beginners (2015)

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31–40 of 103 posts

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#31

Why is astrophotography hard?

It's not. If you have a decent camera and clear skies, you can begin learning now, and have something half decent by the end of the night. Additional investment: 0$. Most important, remember that this article is an opinion piece. There are other (IMO, better) opinions.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#32

One thing he didn't talk about is clock drives. They're essential for photography, but they're also good for keeping the scope on target if you want to let other people look through the scope. Especially at higher magnifications, the thing you're looking at will move out of the field of view in a few seconds without a clock drive. The one disadvantage of Dobsonians is you can't put a clock drive on them (well you can…

Clock drives?

Today's hobbyist telescope mounts have incredible precise stepper or servo motors, many with optical encoders so precise that they know exactly where they are pointing to. I don't think you can get a clock drive anymore.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#33
post #25

I was expecting one that you could connect to a computer. Can someone give me any recommendations?

Any Meade, celestron or skywatcher robotic mount can connect to a computer using a serial RS232 interface.

I recommend a Skywatcher mount, because those mounts can be completely controlled by software and there is a very good opensource project for this, called eq-mod.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#34
post #28

The advice here seems dated, even for 2015. Here's my advice: 1. Install an astronomy app on your mobile phone. Start with free ones, and see where it leads you. I recommend Skeye. This is good for going out by yourself and looking up things you see in the sky. For a PC, Stellarium is the best I have seen. 2. Get a camera capable of taking long exposure RAW photos, and get a tripod. There is so much hidden within the…

Astrophotography without a telescope is indeed a good starting point. Get a bright 50mm lens and just with a simple barndoor tracker you can do amazing things. But as this article is about buying a telescope - and astrophotography through a telescope requires more skill than a complete beginner might imagine.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#35
post #33
post #25

I was expecting one that you could connect to a computer. Can someone give me any recommendations?

Any Meade, celestron or skywatcher robotic mount can connect to a computer using a serial RS232 interface. I recommend a Skywatcher mount, because those mounts can be completely controlled by software and there is a very good opensource project for this, called eq-mod.

thanx alot!

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#36
post #34
post #28

The advice here seems dated, even for 2015. Here's my advice: 1. Install an astronomy app on your mobile phone. Start with free ones, and see where it leads you. I recommend Skeye. This is good for going out by yourself and looking up things you see in the sky. For a PC, Stellarium is the best I have seen. 2. Get a camera capable of taking long exposure RAW photos, and get a tripod. There is so much hidden within the…

Astrophotography without a telescope is indeed a good starting point. Get a bright 50mm lens and just with a simple barndoor tracker you can do amazing things. But as this article is about buying a telescope - and astrophotography through a telescope requires more skill than a complete beginner might imagine.

I did start with a ~50mm lens, but without a tracker. My camera can do up to 30s auto exposures, but those exhibit star trails at 50mm. I limit myself to 10s-15s exposures, and shoot a few hundred of them. The stars move, but the stacker (I use deepskystacker.free.fr) aligns them before stacking them. Though I'll add that DSS has a pretty steep learning curve of its own.

I agree that a beginner can't jump into astrophotography with a telescope. I'm of the opinion that learning with a camera and a tripod will teach a beginner to have reasonable expectations.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#37
I agree with most of the points here. There should have been an additional section on choosing the right mount. There's the cheap AZ mount which makes it easier to locate an object but is too painful to use while tracking it. The expensive EQ mount takes a little bit of practice and frustration before you can use it well. It makes it difficult to find an object, but tracking an object is a breeze.

Go for a stand AZ/EQ with a motorized GOTO unit if you can afford it. It 'll save you a lot of time looking for objects.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#38
post #34
post #28

The advice here seems dated, even for 2015. Here's my advice: 1. Install an astronomy app on your mobile phone. Start with free ones, and see where it leads you. I recommend Skeye. This is good for going out by yourself and looking up things you see in the sky. For a PC, Stellarium is the best I have seen. 2. Get a camera capable of taking long exposure RAW photos, and get a tripod. There is so much hidden within the…

Astrophotography without a telescope is indeed a good starting point. Get a bright 50mm lens and just with a simple barndoor tracker you can do amazing things. But as this article is about buying a telescope - and astrophotography through a telescope requires more skill than a complete beginner might imagine.

You don't even need a tracker at all. Just take a series of 20-second exposures, align them in hugin, and stack them. I have managed to get some remarkably good results this way, because the fact that the star background moves allows you to cancel out a lot of the noise that the camera and light pollution produces.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#39
Excellent advice. I just sold off most of my astronomy equipment except for my first telescope - an orion xt8 - and some mid-range plossl eyepieces. If I did it all over again i'd buy everything used off astromart.com (no affiliation - it's just the best place to find good used astononomy gear). Seriously though - join your local astronomy club, try out members' telescopes and use their telescope library if they have one.

Re: So You Wanna Buy a Telescope: Advice for Beginners (2015)

#40

Bought the recommended Orion XT8 Dobsonian a year ago for my 10 year old daughter (ok, and for myself!). It is super easy to setup (minutes), captures plenty of light and has been a joy to view through. I have observed the moon, Saturn, Jupiter and its moons and several Messier objects - even tracked a few satellites as they transited overhead.

Were you able to see the rings of Saturn with this telescope? How about the red spot of Jupiter? Any of its moons? And finally, do you observe these objects in a place with a lot of light pollution?

> Were you able to see the rings of Saturn with this telescope? How about the red spot of Jupiter? Any of its moons?

I obviously can't speak to the OP's light pollution, but if they were above to observe Messier objects, seeing the rings of Saturn, Galilean moons and the red spot of Jupiter would be no problem.

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