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Thread: Coloured filters?

  1. #1
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    Default Coloured filters?



    Hey, I've heard a lot about all kinds of coloured filters and their uses. That one of them gets the icecaps of Mars into good contrast, the other the details on Jupiter, so could someone please tell me a more detailed description of what colour helps at what sights? And do they only help with solar system items or also DSO?

    Also, my local astroshop has limited resources on this, so I am posting a link to their offer, to see which one of THEM helps at what, because I can only buy them. (if putting such a link is not allowed, please remove it and I am sorry)
    Filtre colorate Celestron
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    Default Re: Coloured filters?

    Most of us buy colored filters at some point and we find them so useful that we don't use them - and may not be able to even find them.

    For some of the best stuff on filters you should visit Jim Thompson's site and read through his filter section: The Abbey Road Observatory
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    Default Re: Coloured filters?

    Here's one link for colored filter use:

    http://sas-sky.org/wp-content/upload...l-Filters1.pdf

    There's several on the web. Just google it.

    I use blue for Jupiter, and sometimes yellow.
    Also, to me, yellow works good during full Moon. Maybe it's just me, or maybe others do the same thing- but according to my better half, I'm strange.
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    Default Re: Coloured filters?

    Ok, but is it worth the money? I mean it's a pretty big purchase for me, I would only do it if it could really make the difference. Or is it just a fad, really? Could you relate to your personal experiences pls? Not just the propaganda and charts about them. What have you seen, what is worth/not worth it? On my scope (130mm)
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    Default Re: Coloured filters?

    In my opinion, especially if money is tight, you'd be better served by spending your money on more useful items, such as an additional eyepiece, or perhaps a nebula filter such as an OIII or UCH filters...
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    Default Re: Coloured filters?

    THanx, now that is a good piece of advice. Also, my astroshop did not have a nebula filter so it sold me a baader moon and skyglow filter that I still find no use for.
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    Default Re: Coloured filters?

    I agree with Bryan. The colored filters are nice to have, but I do not use them very much.
    My OIII filter gets a workout.
    Second, my HB.
    Last, the colored ones. They make the Moon so darn perty!
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    Default Re: Coloured filters?

    Here is a pretty comprehensive listing of filters and the features on different planets they are the most useful for:

    The ARO - Filter Research - Planetary Uses

    Your questions about their true usefulness is a bit of a subjective question. What may be useful to one, may not be useful to the next. Take me for instance. I rarely look at the planets and even less at the moon. My primary focus is galaxy hunting, with lesser forays into other types of DSOs. So if you were to ask me if they are worth it, I would likely say no. I have used them, and yes, I did see some subtle enhancement of some features, but I didn't particularly like the colored view of the planets the filters gave.

    But if you were to ask a hardcore planetary observer if the filters are useful, I am certain you would get a loud YES!. That is because they are tools that enhance their pursuit of their particular specialty.

    For the majority of general observers, who may dabble in this and that, I tend to see that they don't find the filters particularly effective. Some can even be used with certain types of DSOs under certain circumstances to enhance a view. Overall I don't think that most tend to utilize them enough to really judge their true, critical effectiveness, myself included.

    Are they necessary? Not at all. One can certainly observe the planets effectively without them, but hardcore pursuers of our nearby neighbors will say that to get the absolute most out of your planetary observing, the filters are indeed necessary.

    So I guess it comes down to what kind of observer are you? Also as Bryan mentioned, if one is on a tight budget and planetary observing isn't their primary focus, there are better uses for the money. The filters can be dabbled in later after you have the eyepieces and other pieces you really want to buy. So ultimately the decision is your's.
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    Default Re: Coloured filters?

    Hello Milan,

    well, tutti filtri astronomici colori, with most people here, they end in the socks drawer, or on the ebay.

    I have a polarizing Moon filter, it has not been cheap in fact, but it is sleeping in the socks drawer. Other people love it.

    For the Moon, I take the Baader Solar Continuum interference filter https://www.teleskop-express.de/shop...obachtung.html , as it increases the visibility of details not only on the Sun, but also on the sun-lit Moon. It works best for my eyes on the Moon.

    For the Jupiter I take the Baader bright blue 470nm to enjoy the Great Red Spot, but the Jupiter is far away at the moment.

    For the Saturn rings and bands, for the phases of Venus, and for the pole caps on Mars, I take the Baader green(RGB)CCD interference filter (500nm - 590nm pass-band), but these planets are at the moment moving far away to reveal big wonders.

    So, save your money and wait a bit, or buy more oculari astronomici.

    Best,

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    Default Re: Coloured filters?

    I have occasionally used colored filters to try to squeeze details out of Mars and Jupiter, but I really prefer unfiltered views of them. I even prefer an unfiltered view of the Moon, even though it is very bright. In fact, about the only time I use a color filter anymore is when I take afocal shots of the Sun and want it to appear more yellow for aesthetic reasons.

    Now my O-III filter is a different story. I use it almost every time I observe. Helps a lot with some nebulae.

 

 
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