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2 New Filters for Mars & Beyond

Discussion in 'Eyepieces, Barlows, and Filters' started by Pleiades, Jul 17, 2018.

2 New Filters for Mars & Beyond

Started by Pleiades on Jul 17, 2018 at 10:49 AM

88 Replies 1184 Views 2 Likes

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  1. Pleiades

    Pleiades Well-Known Member

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    So, I'm rebelling and going against the "Mars Filter" and buying standard colored planetary filters. Today, I just ordered:
    • GSO #23 Light Red
    • GSO #12 Yellow
    These will go along with my current and only filter:
    • GSO 82A Light Blue
    I understand some peoples objections to color shifts in the image, and I will pick up a GSO Polarizing filter at some point. But I figure with a Red, Yellow Blue range, I have the color wheel covered anyway.
     
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  2. Mak the Night

    Mak the Night Well-Known Member

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    The #12 and #82A should work well. Although the #23A sometimes requires a bit of aperture or a fast scope IMO.
     
  3. Pleiades

    Pleiades Well-Known Member

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  4. Mak the Night

    Mak the Night Well-Known Member

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    I wonder if that 203mm Orion's Synta or GSO?

    GSO Filter Transmission Percentages

    AD050 #58 Dark Green 24% T

    AD051 #56 Light Green 53% T

    AD052 #38A Dark Blue 17% T

    AD053 #80A Medium Blue 30% T

    AD054 #82A Light Blue 73% T

    AD055 #15A Dark Yellow Filter 67% T

    AD056 #12 Deep Yellow 74% T

    AD057 #8 Light Yellow 83% T

    AD058 #11 Yellow/Green Filter 78% T

    AD059 #25 Red 14% T

    AD060 #23A Light Red Filter 25% T

    AD061 #47 Violet 3% T

    AD062 #21 Orange 46% T

    AD063 #29 Dark Red Filter 7% T

    AD083 #96ND 50% T – Density 0.3

    AD084 #96ND 25% T – Density 0.6

    AD085 #96ND 13% T – Density 0.9

    25% isn't a high transmission rate.
     
  5. Pleiades

    Pleiades Well-Known Member

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    I thought i would give the #23A a swing with Mars being so bright. Might get lucky right? If not a faster scope is in my future at some point.

    So, what would the difference between GSO and Synta be. Besides different Chinese folks?
    Orion is owned by Synta now, so that would be my guess.
     
    Last edited: Jul 17, 2018
  6. Mak the Night

    Mak the Night Well-Known Member

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    Yeah, it's worth a shot, Mars is bright. Synta and GSO are technically Taiwanese owned companies. I doubt there's much between their respective Newtonians. My 150mm TS Optics Newt' is GSO.
     
  7. Mak the Night

    Mak the Night Well-Known Member

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    FWIW if I had to recommend just three Wratten filter colours, they'd be the #8, #11 and #82A.
     
  8. Dave In Vermont

    Dave In Vermont Well-Known Member

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    Now the question rears it's pointy, little head: What happens if you screw the #82A into the #12 Yellow? What percentage of transmission is created?
     
  9. Nebula

    Nebula Well-Known Member

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    Congratulation @Pleiades with the purchase of the #23a and the #12. Many of these filters will produce results, some people say they just change the color of things I strongly disagree. I am starting to see more people liking them then people disliking them.

    I had very interesting results with the #23a on Venus has discussed here before, it helped very much to see some clouds shades. The #12 Yellow, I need to test it further but it's a good one on the moon for light dimming. They all dim the light of the moon at some point but some are much more effective then others depending of their transmission (and color), For the moon. I am sure you will like #23a and #12. Has for me I need to continue testing these filters extensively.

    To this day, my strongest color filters were:

    80a blue on Jupiter (I prefer it over the 82a because it's a bit darker, more effective)
    38a Dark blue on the moon and jupiter (For full moon observation and to reveal pale spots on the moon and jupiter)
    23a Light red incredible on Venus for the clouds.
    21 Orange very good on the moon for the dark shadings.
    11 Yellow Green incredible for all features on Saturn. (Especially the planet I find, more then the rings)
    12 Yellow very comfortable on the moon has a replacement for a moon filter.

    A nice inexpensive little treat. ;)

    =====================

    What's happening with your 6" Newtonian on Dobson mount, you don't like it anymore?
     
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  10. Nebula

    Nebula Well-Known Member

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    FWIW if I had to recommend just three Wratten filter colours, they'd be the #8, #11 and #82A.

    Hey i don't have the #8. :eek:
     
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  11. Pleiades

    Pleiades Well-Known Member

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    No, I love my SkyQuest XT6. I am looking, (and in no hurry) for a scope to put in the back of my SUV and take to a dark-site, I live on a wooded hill, with a great dark view of the South. But if it isn't directly South, I can't see it from my place. The XT6 is GREAT, but not for travel. Besides, my son wants his own scope. We are sharing the XT6.
     
  12. Nebula

    Nebula Well-Known Member

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    Ahhh oki, yes, you need another telescope :D I see why.
     
  13. Mak the Night

    Mak the Night Well-Known Member

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    I use it as a fringe killer sometimes, but it is overall a good contrast filter on any type scope, especially around 13cm and under. It's always a good policy to have all three yellow Wratten colours.
     
  14. Nebula

    Nebula Well-Known Member

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    You are right! Not a waste to own 3 of them especially at the price they sell them... I wonder if these products will be parts of the current or upcoming US sanctions.
     
  15. Mak the Night

    Mak the Night Well-Known Member

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    Yellow filters are always important IMO, having the #8, #12, #15 and the Baader Yellow Longpass 495nm gives you a lot of flexibility in varying conditions.

    [A portion of this post was deleted by a site moderator to remove unrelated content].
     
    Last edited by a moderator: Jul 19, 2018
  16. Dave In Vermont

    Dave In Vermont Well-Known Member

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    [A portion of this post was deleted by a site moderator to remove unrelated content].

    Go ahead and finish-up your yellow-collection: #8, #11, #12, & #15. You'll be glad you did! At $13/ea. there isn't too far wrong you can go.
     
    Last edited by a moderator: Jul 19, 2018
  17. Pleiades

    Pleiades Well-Known Member

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    So is this site duel purpose? Political and astronomy? Religion and politics are two subjects that will kill a good site. Agena needs moderators on here. This thread line is a poor idea.
     
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  18. Dave In Vermont

    Dave In Vermont Well-Known Member

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    Yeah - you're right. It's just the events of this last were so momentious, we're literally surrounded by it on everything from the radio to the post-man!

    But I'll chill from now on. I'm sure Mak will as well - as the UK is still intact.

    My apologies to you personally.

    Take Care -

    Now back to our regularly scheduled program.....

    Ah! Thanks - I just remembered to transfer some info on these new Celestron Mars-Filter.
     
  19. Agena AstroProducts

    Agena AstroProducts Vendor

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    >>So is this site duel purpose? Political and astronomy?

    Astronomy *only* please!

    All political and non-astronomy posts in recent threads have been deleted.

    Let's focus on what brings us all together here - our love of astronomy - and stay away from what might divide or distract us.

    Thank you.
     
    Last edited: Jul 19, 2018
  20. Mak the Night

    Mak the Night Well-Known Member

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    Speaking of Mars filters, I've been thinking about the Baader Semi-Apo, which is reputedly very good for Mars. Although my experience with it on Mars is limited. A Wratten #12 is probably the closest thing to the Semi-Apo. I may try some comparisons if more Mars features become prominent in a while. I think most minus cyan filters produce good results on Mars. The #11 Yellow Green impressed me during the last opposition. I also would recommend the Baader Neodymium, as it can be effectively stacked with other colours on a bright Mars.

    IMG_20180201_105853.jpg
     

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