Caught Comet Catalina this morning at 5:30am with ASI224MC. Unfortunately it got bright after 10 minutes of tracking.
So for the time being,here is Catalina....
Equipment: Megrez 90 with Televue reducer on iEQ45 Pro.
Will try to get up earlier tmr.....
Comet Catalina - New image added on 12 Dec 15
- yltansg
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Comet Catalina - New image added on 12 Dec 15
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Last edited by yltansg on Sat Dec 12, 2015 7:15 am, edited 1 time in total.
- KKK26
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Re: Caught Catalina
Nice! Alfred, how did you track? logged nearest star to track?
- yltansg
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Re: Caught Catalina
Hi KK,KKK26 wrote:Nice! Alfred, how did you track? logged nearest star to track?
Yes, I first slew the scope to Syrma, sync the scope to it. From there I slew the scope to SAO 139856. Catalina is on its left.
The best time to catch Catalina is about 5 am.
By the way, the "worms" in the picture are hot pixels. Will try to do darks to get rid of them.
Alfred
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- Airconvent
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Re: Caught Catalina
Nice image, Alfred!
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Re: Caught Catalina
Hi Alfred
Nice catch.Can see it with the naked eye or
just with a scope?If so what's the aperture to use?
Thanks.
Nice catch.Can see it with the naked eye or
just with a scope?If so what's the aperture to use?
Thanks.
- yltansg
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Re: Caught Catalina
Hi Mr Chia,superiorstream wrote:Hi Alfred
Nice catch.Can see it with the naked eye or
just with a scope?If so what's the aperture to use?
Thanks.
After the search for it, I only managed to do about 10 mins of imaging before it got too bright for meaningful data. I didn't manage to do visual observation. I will try visual and report on this discussion group
Stay tune
Alfred
- yltansg
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Re: Caught Catalina
Here is one way you can look for Catalina on 10 Dec, 5 am.
Slew scope and use the hand controller to center on Syrma (where the 2 red lines meet). Sync/align the mount to Syrma.
Next slew to SAO 139853 (with the red concentric circles). Catalina (with the tail) is on the right and slightly down.
Good luck!!
Slew scope and use the hand controller to center on Syrma (where the 2 red lines meet). Sync/align the mount to Syrma.
Next slew to SAO 139853 (with the red concentric circles). Catalina (with the tail) is on the right and slightly down.
Good luck!!
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- yltansg
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Catalina - New image added on 12 Dec 15
12Dec 15 Caught Catalina again this morning on ASI224 camera. This time I used darks to remove the hot pixels. Tried looking at it visually but couldn't see it.
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