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Post by JR the Moon on Jun 20, 2018 15:54:13 GMT
Question.
What filters do you have (and use) and why, visual and or imaging
Thanks
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Post by richdavies on Jun 20, 2018 22:14:38 GMT
Only filter i have is a solar filter. Don't think the club itself owns any filters.
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Post by Pembrokeshire Astronomer on Jun 21, 2018 8:11:42 GMT
What filters do you have (and use) and why, visual and or imaging
For visually observing, if the planets (Mars,Jupiter and Saturn) look a bit unfocused or "murky" I often use a Blue 80a filter to "clean" them up a bit. Whenever a low, near the horizon planet starts "boiling" or "shimmering" the 80a filter often calms the planetary image. Saturn (near the horizon) especially benefits from the inclusion of an 80a filter. The 80a can also by used as a very handy Moon filter. Though often near full Moon I use a pair of sunglasses as my Moon filter, they work really well!
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Post by JR the Moon on Jun 21, 2018 8:56:48 GMT
Does blue work
80a thanks
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Post by mikeyp on Jun 21, 2018 11:22:35 GMT
WE have/use 3 filters.
80A is useful for Moon and Planets and Double Stars though (arguably) 96 is better for double stars.
We also have 21 which allegedly is good for planets - particularly Jupiter and the GRS. (untested by us)!!
The group does have some filters - but they would require some finding in the container!!!
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Post by JR the Moon on Jun 21, 2018 12:17:07 GMT
Just wondered why uses what and why
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Post by nighthawk on Jun 21, 2018 17:46:36 GMT
WE have/use 3 filters. 80A is useful for Moon and Planets and Double Stars though (arguably) 96 is better for double stars. We also have 21 which allegedly is good for planets - particularly Jupiter and the GRS. (untested by us)!! The group does have some filters - but they would require some finding in the container!!!I have the case with the eyepieces and four filters. Will bring along to next meeting. They are marked as follows: Moon, Moon double stars where one is brighter, Jupiter and Jupiter Saturn Double stars. Haven't used them so cannot comment on them.
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Post by JR the Moon on Jun 21, 2018 20:10:30 GMT
I do have filters, I just wanted to kno what people other than me use and why to see if I could benefit from others
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