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DecErrorOctober25th
geocarey
17 views
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Dec Drift2
geocarey
43 views
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Declination Error
geocarey
27 views
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Pulsar 2.7metre dome rotator Part V
geocarey
72 views
The 40MHz radio link was ineffective due to lack of range so I have moved to a 433MHz system. This works well up to 100metres from the dome.
The remote control is used to...
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Pulsar 2.7metre dome rotator Part IV
geocarey
68 views
Because the motor and battery rotate with the dome, I would like to create a wireless link so that there are no trailing wires in the observatory.
This shows how a toy ca...
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Pulsar 2.7metre dome rotator Part III
geocarey
93 views
The next version of the dome rotator. The quick release spring system has been added and seems to work well.
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Pulsar 2.7metre dome rotator Part II
geocarey
99 views
The timing belt and pulley method works well (previous rubber friction wheel method slipped too much).
Note elastic band providing tension to hold the pulley against the b...
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Comet Garradd C/2009 P1
geocarey
132 views
Comet Garrad on August 8th, 2011. The video shows the movement of the comet over an hour.
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asteroid2011MD.avi
geocarey
253 views
The asteroid 2011MD made a close pass of the Earth on 27th June (7500miles). It was not very bright, but a series of 9 frames stitched together to make a movie shows the pa...
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Pulsar 2.7metre dome rotator Part I
geocarey
142 views
Motorising a Pulsar 2.7m dome using a car wipermotor.
The drive comes from a rubber wheel running against the outside of the 'wall'. Two castors on the inside of the wall ...
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