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IC 1396 The Elephant Trunk

  • Gary Clarke
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17 years 3 months ago #51371 by Gary Clarke
Replied by Gary Clarke on topic Re: IC 1396 The Elephant Trunk

How did you find using the H-Alpha filter? Any issues with guiding? Any blooming on the 15min exposures?


Michael, There was no problem using the H-Alpha filter. The exposure time for guiding was 7 seconds through the filter, but still the guiding errors were under 1 arc second with the CGE mount. There was no blooming at all.

Regards,

Gary.
Clonee Observatory D.15.

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17 years 3 months ago #51374 by Keith g
Replied by Keith g on topic Re:
Gary, that is superb !!!! :shock: That's the best image I have seen all week, a credit to you. I must have a go with my little C80ED :P

Keith..

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17 years 3 months ago #51384 by dave_lillis
Replied by dave_lillis on topic Re: IC 1396 The Elephant Trunk
A fantastic widefield shot there Gary, well done!

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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  • carlobeirnes
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17 years 3 months ago #51395 by carlobeirnes
Replied by carlobeirnes on topic Re: IC 1396 The Elephant Trunk
Mr Clarke,
I would like to congratulate you on the the best image i've seen from clonee. The detail is amazing well done on a great shot. :wink: :wink:

PS
no more mosiacs I'm not able for them late nights any more getting to old :lol:

Carl O’Beirnes,
Scopes and Space Ltd,
Unit A8 Airside Enterprise Centre,
Swords, Co Dublin,
Ireland.
www.scopesandspace.ie/
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17 years 3 months ago #51401 by TrevorDurity
Replied by TrevorDurity on topic Re: IC 1396 The Elephant Trunk
that is simply superb Gary!

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17 years 3 months ago #51404 by michaeloconnell
Replied by michaeloconnell on topic Re: IC 1396 The Elephant Trunk

How did you find using the H-Alpha filter? Any issues with guiding? Any blooming on the 15min exposures?


Michael, There was no problem using the H-Alpha filter. The exposure time for guiding was 7 seconds through the filter, but still the guiding errors were under 1 arc second with the CGE mount. There was no blooming at all.


Cool. Good to hear. I always fancied the idea of getting a set of Ha, OIII and SII filters instead of RGB. Only problem is deciding whether to get 2" or 1.25" ones. :?

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