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Old 04-05-2006, 12:47 PM
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higginsdj
A Lazy Astronomer

higginsdj is offline
 
Join Date: Mar 2006
Location: Canberra
Posts: 614
OK, since there appears to be some interest.......

My observatory (Hunters Hill, Canberra) has been operating since 2002 doign Minor Planet (and the occassional comet) research (Astrometry and more recently Photometry).

I am no genius so my set up is off the shelf - plug and play.

What can I do with it?
1. I manually open and close the observatory (simple roll top roof)
2. I manually power up and down the telescope, computer and Cameras
3. I manually produce an observing plan
4. At the start of the night I load the plan into the software and press go.
5. In the morning I download all the images from my Observatory computer.

Now the suite of software I use does support observatory/dome automation - I just can't afford the $15K to buy such an observatory dome

What the automation does is:
1. AutoFocus the scope
2. Work out if the target is observable.
3. If observatble (ie above the preset horizon) then point the scope to the co-ords
4. Take a pointing image and plate solve it (ie determine where the scope is actually pointed)
5. Synch the scope and re-slew to the right co-ords if required
6. If the exposure is longer than the no guide limit take an image and find a guide star then start guiding
7. Change filter (if required)
8. Take the image
9. Repeat from 1 for the next target or do multiples of the current target (or a combination as detailed int he observing plan)

The software will handle moving targets - ie it will automatically repoint after each image to keep the target in the centre of field.

Hardware I use:
Meade 14" LX200GPS on a Wedge
Meade 4" SCT piggybacked to the main scope
Starlight Xpress MX716 as the guide camera on the 4"
SBIG ST-8E (or 9E depending on what I am doing) on the main scope with an f/3.3 FR producing f/4 on the ST-8E and f/5.6 on the ST-9E (ST-8E has a CFW-8 with BVRI filvers)
Star2000 Relay Box (for autoguider connection)

Software:
ACP4 (main control package)
MaxIm DL 4 (Core product)
Pinpoint 4 (Optional since Maxim includes Pinpoint LE)
FocusMax

Points to note:
My 14" has 120" PE (This is NOT a typo)
My imaging resolution ranges from 1.3"/px to 2.64"/px
The SBIG cameras are parallel and I do NOT use thier internal guide chips
The MX716 is USB
My scope puts up with extreme amounts of dew, frost, ice (gets to -15 c some nights at 90%+ humidity)
I only leave it open to it's own devices IF I am reasonably confident that it won't rain (most of the time these days)
From a research perspective the automation has increased my data capture rate from an average of 40hrs/month to 85hrs/month

I have produced a quick and dirty paper on the subject that is available from my web site:
http://www.david-higgins.com/Astrono...0Observing.pdf

Welcome any questions you may have.

Cheers

David Higgins
E14
Canberra, Australia
http://www.david-higgins.com
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