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Killing or removing a cockroach


 

I recentely attached an old Crayford focuser to my C-8, Last night when setting up I noticed a cockroach crawling over the inside of the corrector plate. Anyone have any ideas on how to extract, kill, remove the cockroach I have some gel-bait based on boric acid but I'm not sure it's a good idea to use the near coated optics. Should I I remove the corrector and clean the corrector and mirror as a precaution?


Gary Jarrette
 

If you have the scope with the removable secondary just take it out and point the scope down. I would get it done? before he starts doing his business.

Gary

Carpe Noctem

Sent from my space ship via my LG V10 Phone

On Mar 5, 2016 3:47 PM, "Kerry Koppert kkoppert@... [C14_EdgeHD]" <C14_EdgeHD@...> wrote:

?

I recentely attached an old Crayford focuser to my C-8, Last night when
setting up I noticed a cockroach crawling over the inside of the
corrector plate. Anyone have any ideas on how to extract, kill, remove
the cockroach I have some gel-bait based on boric acid but I'm not sure
it's a good idea to use the near coated optics. Should I I remove the
corrector and clean the corrector and mirror as a precaution?


 

Don't use any chemicals. Instead, check the instruction manual for info
on how to remove the corrector plate. Remove the roach, then replace the
plate with all possible care. Just my advice. In the future, always keep
the focuser covered, since the roach surely had no other way to get in.
Roaches are wonderful and amazing creatures, but we don't want them in our
telescopes!

Ed Greding


On Sun, 6 Mar 2016 11:47:51 +1300, "Kerry Koppert kkoppert@...
[C14_EdgeHD]" <C14_EdgeHD@...> wrote:
I recentely attached an old Crayford focuser to my C-8, Last night when
setting up I noticed a cockroach crawling over the inside of the
corrector plate. Anyone have any ideas on how to extract, kill, remove
the cockroach I have some gel-bait based on boric acid but Im not sure
its a good idea to use the near coated optics. Should I I remove the
corrector and clean the corrector and mirror as a precaution?


Links:
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[2]
mailto:kkoppert@...?subject=Re%3A%20Killing%20or%20removing%20a%20cockroach
[3]
mailto:C14_EdgeHD@...?subject=Re%3A%20Killing%20or%20removing%20a%20cockroach
[4]
;_ylc=X3oDMTJlcmt0Mjg1BF9TAzk3MzU5NzE0BGdycElkAzMzNjc2OTIEZ3Jwc3BJZAMxNzA1MDgyODU2BHNlYwNmdHIEc2xrA250cGMEc3RpbWUDMTQ1NzIxODA2OQ--
[5]
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[10]


 

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On 7/03/2016 8:27 PM, ejgreding@... [C14_EdgeHD] wrote:
?



Don't use any chemicals. Instead, check the instruction manual for info
on how to remove the corrector plate. Remove the roach, then replace the
plate with all possible care. Just my advice. In the future, always keep


The roach is not dead! Removing it without first killing it might be difficult (It runs behind the mirror as soon as it is disturbed).

the focuser covered, since the roach surely had no other way to get in.
Roaches are wonderful and amazing creatures, but we don't want them in our
telescopes!

Ed Greding

On Sun, 6 Mar 2016 11:47:51 +1300, "Kerry Koppert kkoppert@...
[C14_EdgeHD]" wrote:
> I recentely attached an old Crayford focuser to my C-8, Last night when
> setting up I noticed a cockroach crawling over the inside of the
> corrector plate. Anyone have any ideas on how to extract, kill, remove
> the cockroach I have some gel-bait based on boric acid but Im not sure
> its a good idea to use the near coated optics. Should I I remove the
> corrector and clean the corrector and mirror as a precaution?
>
>
> Links:
> ------
> [1]
>

> [2]
>
mailto:kkoppert@...?subject=Re%3A%20Killing%20or%20removing%20a%20cockroach
> [3]
>
mailto:C14_EdgeHD@...?subject=Re%3A%20Killing%20or%20removing%20a%20cockroach
> [4]
>
--
> [5]
>
--
> [6]
>
--
> [7]
>

> [8]
> [9] mailto:C14_EdgeHD-unsubscribe@...?subject=Unsubscribe
> [10]



 

How about using a vacuum cleaner (the flexible pipe just after the removeable rigid end) to suck it out.
Best,
Alex


 

Could you kill it by flooding the OTA with carbon dioxide or nitrogen - inert, and neither support life!

Mark


 

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On 8/03/2016 12:37 AM, Mark Crossley mark@... [C14_EdgeHD] wrote:
?
Could you kill it by flooding the OTA with carbon dioxide or nitrogen - inert, and neither support life!

Mark

Posted by: Mark Crossley

Interesting idea but I cant think of a ready source of nitrogen.











 

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Maybe helium would work. That's usually available in small cans.?


On Mar 7, 2016, at 4:02 PM, Kerry Koppert kkoppert@... [C14_EdgeHD] <C14_EdgeHD@...> wrote:

On 8/03/2016 12:37 AM, Mark Crossley mark@... [C14_EdgeHD] wrote:
?
Could you kill it by flooding the OTA with carbon dioxide or nitrogen - inert, and neither support life!

Mark

Posted by: Mark Crossley

Interesting idea but I cant think of a ready source of nitrogen.











 



On Mar 07, 2016, at 03:37 AM, "Mark Crossley mark@... [C14_EdgeHD]" wrote:

Could you kill it by flooding the OTA with carbon dioxide or nitrogen - inert, and neither support life

You would likely still want to open the tube; you don't want the deceased roach outgassing in there.


 

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It’s available at many tire shops- doesn’t expand as much as air when heated, doesn’t oxidize the inside of the tires. Find a shop that has it and take some ballons. Dan
?

Sent: Monday, March 07, 2016 5:02 PM
Subject: Re: [C14_EdgeHD] Re: Killing or removing a cockroach
?


On 8/03/2016 12:37 AM, Mark Crossley mark@... [C14_EdgeHD] wrote:
?
Could you kill it by flooding the OTA with carbon dioxide or nitrogen - inert, and neither support life!
?
Mark

Posted by: Mark Crossley mailto:mark@...

Interesting idea but I cant think of a ready source of nitrogen.











 

Returnable Carbon Dioxide cylinders can be hired from beer suppliers/pubs.

You can get Argon canisters from welders suppliers.

Mark