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About impactcrater

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    Star Forming

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  1. Firstly , I need the skies of Sweden or I have to go to what Australians call the Never Never which is the desert country where the Southern Skies are just amazing...I still have not been there .
  2. we non photographers are just amazed...
  3. NGC 5128 - Centaurus A in Close-up

    It looks like an unattractive place to live....planet Smog?
  4. Farewell Cassini

    it was called 'the Grand Finale' but I preferred 'Catch 22'
  5. interesting topic and certainly it sounds like a clear definition is needed. I think a moon must be something you can dance or romance under and must have at least some blue periods.
  6. Hubble Constant

    space will stretch so much that when you are having a shower the plug hole will be far away and the water and soap will rush down at such a speed that the drains will never block and all will be well with the world....just being in a silly mood...
  7. The Surprisingly Unknown

    nice in Oxfordshire....I lived in Maidenhead for 6 months....I assume it is the rotation of the metal hydrogen core . Is that true of the Jupiter ? NASA says it matters to create a weather model . so handy here on Earth!
  8. The Surprisingly Unknown

    https://www.nasa.gov/feature/jpl/saturn-surprises-as-cassini-continues-its-grand-finale and this too
  9. The Surprisingly Unknown

    https://www.nasa.gov/mission_pages/cassini/media/cassini-062804.html not all it seems....
  10. The Surprisingly Unknown

    According to NASA the length of a Saturnian Day is unknown...who would have thought ?
  11. You may need to know the weight of the scope of interest...it is harder to get that from the manufacture's site . I did some "research" and came up with 5.44 kg for celestron 90SLT and 8.2 kg for the celestron 127SLT and then the others you are looking at in the SE class may be heavier still . The celeston 90 SLT is a quality scope and is pretty light. Astrophotography is not easy with non equatorial scopes and the 90SLT is not one of these.
  12. Taking into account your severe back disability I would suggest you consider a small Dobsonian as they are viewed from the top end whereas the Celestrons are viewed from the tail end and the angles of viewing can involve a lot of crouching down in very awkward positions. The Dob team may advise better on this as I have a scope like you are looking at. A 200 Dob is a massive thing...
  13. Registax & window 10

    I just do not like windows ten...it is channeling us all into 'app land' and 'don't own a disc land' ...the apps rarely work to solve the problem...vote for windows 7 which came with all you needed to do everything.....and when you have a problem it says find an app and then a whole lot of junky 'programs' appear which can cost and you still don't know if they will do the task...put windows ten near the Event Horizon !
  14. 'Prolific' driver fix !!

    I spent a substantial "I will not be defeated' time on this and eventually located this file which fixed the USB to serial file problem with no strings attached- PL2303 Windows Driver User Manual v1.18.0.pdfPL2303_DriverInstaller_v1180_20170406.exe please click on the file starting w PL2303... it went well and did not put a 'make your computer run faster ' program on and AVG had no complaints
  15. Celestron Updates

    Some will be familiar with the firmware updates known as CFM and coming as a zipped file which creates a JAR file from which you are supposed to be able to access the internet and connect to your scope and update it...it is generally a pain and I have told celestron it is awful... that said , one of my laptops will open the JAR file and the other will not despite the newest version of java... there may be a file association problem and windows 10 makes your choices very poor... any ideas greatly appreciated PS I searched this item in the forums but could not find a reference to it.....