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I spent a fair amount of Wednesday afternoon centering my polar scope... Little did I realise that the polar scope requires centering before you even attempt perfect polar alignment. It appears that my AVX has been very forgiving in the fact that in the past I have more or less just got polaris somewhere near the centre of the circle before aligning. However, after watching many YouTube clips on how to centre the polar scope I finally achieved my aim in having the polar scope centered. Last night was my first serious attempt at 'Bang on' polar alignment with a well centered polar scope!! For some time I've been moaning about having to scramble around on the floor bending my knees and neck looking up for polaris through the polar scope! last night I raised my tripod to almost full extension and managed to look through the polar scope sat comfortably on a picnic chair. I started setting up early so used my compass during the early evening to point north ready for the appearance of polaris... Wow! when Polaris appeared I wasn't far out :-) I rotated the the reticule so the view through the polar scope matched what I could see in the sky with the plough above the centre circle, a quick tweak and 'Bingo' Polaris was spot on where it should be... let the fun begin!! Oops before I did that I freelanced over to the crescent moon situated between two rooftops from my observing location... stunning! I tend to always overlook how wonderful the surface of the moon looks at high mag... Whilst observing using my Starwave 102 and a Vixen NPL 20mm I could see what looked like two bright spots at the top of the crescent like tiny stars. On closer observation I figure these must of been a couple of mountain tops caught in the sunlight... That was amazing, would lover to know the name of those peaks! Here is my list of targets bagged using a combination of a Celestron 32mm, Vixen NPL 20mm, Meade 12 & 18mm, a trusty BST 8mm and for Jupiter a blue filter. Jupiter, M5, Epsilon Lyrae 1,2, Zeta Lyrae, Xi Bo, Theta 2 Can, Tegman, Kappa Bo (Loved this) Iota Cancer, Graffias, Delta Serpens, Theta Serpens, Algieba (Leo) Coma Star Cluster Melotte 111 Toward the end of the session I practised entering the RA & Dec into the handset, hitting targets pretty much bang on (very pleasing)... Although when referencing the 'Double Stars for small telescopes' book by Sissy Haas the coordinates given are not as long in numbers as the ones on the handset... I still hit the targets bang on though so was delighted. Nicks Tips No 5 - Throwing a blanket over the washing line to create a dark space removing a cluster of 3 streetlights 100m away over the neighbours fence... Genius!
Hi, I have a Celestron AVX mount that has developed a minor fault. In cold weather (e.g. winter nights) the RS232 port on the Nexstar+ handset does not function correctly. If I connect to it via the ASCOM driver it will function for a minute or two and then stop replying to commands and so locks up my controlling application. I’ve looked at the ASCOM logs and can see a command being sent but no reply and then the controlling application retrying the command. I have tried replacing my USB to RS232 converter and also tried NexRemote (which has a similar problem with communicating to the handset). However the Celestron firmware update software appears to function without a problem. If I bring the mount into a warm house, then the problem goes away. Do you have any idea what might be wrong? If I bought a replacement Nextstar+ handset how certain are you that this would solve the problem? Thank you James
Celestron AVX mount (only) with tripod, all in excellent working condition and original boxes. £500 As extra options I am prepared to also add on: Celestron Skysync GPS module £100 Celestron Starsense alignment module £175 £sold I am prepared to meet the buyer halfway if required.