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Hello everyone, I've got a question.
I want to upgrade the visual back on the Mak 127. The standard back on the Mak is not pleasant to work with as seen in the image. I need to get rid of this plastic thing. I purchased a mak to sct adapter when I bought the scope, I never got around to doing anything until now as I've just acquired a Baader 2.25x barlow as shown in the image.
Now, I've had a go of attaching the the Baader Barlow into the original plastic thing on the mak, it works .... but I'm not happy with the connection being made with the two locking screws, as there is still movement when the barlow, t-ring and Canon DSLR are all in the train.
I've been having a look on FLO for some work around, does anyone have some input as to whether this will work.
Mak to sct adapter-> Baader 2 inch to 1.25 reducer adapter->Baader 2.25x barlow + T ring & DSLR
Any input or a better way of securing everything is greatly appreciated!😊
Another option I've come across is this , Baader ClickLock 2"-1.25" Adapter and Baader T2 Extension Tube to bring it to 40mm when attached to the mak to sct adapter. Anyone have any experience with this?
I have a quick question. I am thinking (very loosely) about the possibility of a small APO for wide field views to piggyback on my CPC 1100. I am interested in recommendations. At the moment I am not planning on AP.
I can see that there is a huge range in prices and to be honest I am looking for something thats reasonably decent quality (circa £500 - having no experience with APOs I really don't have a sense as to whether thats quite enough or not really enough). I had looked at the Orion Carbon Fibre 80mm f/6 APO Triplet but its just a bit too much money.
And many thanks.
I only have room in my life for one lovely refractor, so one must go. I have acquired a Takahashi, so my beloved and well cared for William Optics Zenithstar SD66 has to go. It is optically perfect with no scuffs or scrapes. Has been used as a guide scope and astrograph on my LX90. It comes in its aluminum flight case. OTA only.
Price is £280 or 325 euros, to include postage within the EU.
PM me if interested.
By Cosmic Geoff
I had another go at imaging the shrinking Mars, this time without and with a x2 Barlow lens. The results are better with the Barlow, which is what one is led to expect. For whatever reason (probably bad seeing and/or low planets) when I tried a Barlow previously it just made the blur bigger. Equipment: C8 SE, ASI120MC, x2 Skywatcher kit Barlow element screwed directly into 1.25" barrel of the ZWO camera. This does seem to give x2 in practice. I did not use an ADC on the grounds that I shouldn't need one with Mars at an altitude of over 40 degrees.
3000 image video captured with Sharpcap. Processed in Registax6. I found that the Sharpcap exposure histogram did not appear to work on such a small image, so had to estimate the exposure. Yes, optical ADC correction would be better, but the dispersion seemed very small. Blowing up the image x2 in Registax showed a small colour fringe, which I took out with a single point of correction.
The images show some surface detail though the contrast is low (if you are using a flatscreen try viewing from below: ?) Mare Sirenum, with Mare Acidalium just discernible foreshortened at upper right.
In preparation for the upcoming "galaxy season", I have been busy re-organising my eyepieces across my eyepiece boxes.
I am expecting to be using a mix of traditional and a-focal night vision observing. Therefore, I have put together a "mixed" case of eyepieces. There is a little space remaining just in case I need to swap in a couple more (but I don't tend to go outside will all my eyepieces in one go as they only get cold and unuseable, I prefer to leave a couple inside for a mid-session warm eyepiece swap-in!
I have also created a new Sky Safari "brightest galaxies" observing list so I can target these larger/brighter galaxies with the night vision to hopefully tease out some views of unseen spiral arms? (most likely with the 55mm TeleVus Plossl) as focal speed is key to getting the arms. I may need to swap in the TeleVue Panoptic 27mm for more scale (but we will see)...
[Here is the Sky Safari Observing List that I will be using Galaxy High Brightness.skylist should you wish to try it too…(you can import it into your Sky Safari - just email it to yourself then when you try to open the file in the email app it should offer you the chance to "open with Sky Safari") ]
Having learned last year that night vision is not much help on the smaller galaxies (they just get overpowered by the super bright galaxy cores), I have the TeleVue Ethos 21, 13, 10 ready for some "traditional viewing" (with the option of swapping in the Ethos 8 as needed) on the smaller galaxies. I am eagerly awaiting the heavenly widefield views of endless galaxies as seen in Leo with the Ethos21 and the big dob!
Last year turned out to be a "Supernova Marathon" with seemingly weekly supernovas occuring over the UK (and I managed to bag EIGHT of them with the Big Dob).
NGC 3941 - SN2018pv UGC 5049 - SN2018pc NGC2746 - SN2018iq NGC3367 - SN2018kp NGC6217 - SN2018gj NGC3158 - SN2018aaz NGC2146 - SN2018zd NGC4151 - SN2018aoq I can't see that happening two years running but I did bag SN AT2018ivc (in M77) on December 1st. Tonight I will be targeting SN2019np in NGC3254 so here's hoping...
Either way, I will need a good supply of clear sky, so lets hope our luck is in.
Wishing you the best for Galaxy season,