May
25
2015

Further improvements...

During the last night, I tried to improve the north/south alignment and getting more pratice in creating pointing files. Aim is to go to longer exposure times without any additional guide facilites.

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May
15
2015

First light on ASA-DDM85...

One striking feature of the DDM85 is to allow medium time exposures without additional tracking devices. So I started a first test to find out, if this works as expected. For this purpose I performed a pointing file with the minimum of stars required (4) to calculated and correct the misalligned north/south and height of the RA-axis.

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May
8
2015

Further pieces arrives...

This is how a ASA DDM85 will be delivered. ASA states that this mount is transportable. Well considering that the heaviest part has a weight of 39kg. Overall weight - incl. counterweights ~110kg. This statement is in princple true - but it's not an easy business to get this tranported and up to work - however, I will use this mount stationary.

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March
23
2015

The first piece of my 3D puzzle arrives...

1.8kg weight, small axis 160mm, messured Strehl 0.99, RMS=1/60wave, I think relative to my available budget, I get the best scondary mirror I can afford.

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April
12
2015

(216)Kleopatra will occult HIP 54599 (~8mag) April 12th, 2015 ~01:05 UT

Der Termin für unser Treffen im Mai am 9. fällt auf einen Feiertag. Das Treffen wurde aus diesem Grund auf den 16. Mai verschoben und findet in einem der Clubräume im Bürgerhaus statt.

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