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yesterday evening, I started observing the moon and sketching crater Copernicus even 15min before sunset. The contrast on the moon wasn't perfect yet, but on the other hand the contrast on the sketching paper was better - no need for LED. Copernicus with its prominent ray system is wonderfully appearing on the full moon but this time I just concentrated on the 96km crater itself:
Telescope: Celestron NexStar 127SLT
Eyepiece: ExploreScientific 6.7mm/82°
Date & TIme: June 12th, 2019 / 2130-2230 CEST
Location: home terrace, Dusseldorf region, Germany
Technique: Koh-i-Noor chalk and charcoal pens on black sketching paper
Size: appr. 30x30cm
Looking in my filed skeches, I figured out that I have visited Copernicus five years ago. Here's a comparison of the two sketches showing some changes in technique:
since i started work on my observatory there hasn't been much time for AP, but since lunar photography is done in minutes i had a go yesterday.
SW AZGTI with the Skymax127 and Sony A6300 and Baader Neodymium Moon & skyglow filter.
100 frames taken and 50% used to stack in autostackerd.
The older Celestron CG5 mount had 3 retaining screws that allowed the polar finder scope to be rotated 360 deg when mounted. Newer finders are screw fit but what to do if once the finder scope is inserted and tightened only to find that the vertical axis of the finder display is not at 90deg from horizontal plane?
The 3 screws only allow for centering the reticule and I would need to disassemble the finder to rotate the reticule holder but how can I be sure that when put back together it will be correctly aligned?
I am referring to the skywatcher HM5 for the EQ3/5 mount.
Thanks in advance
c925 and 294mc pro bin 1 with ir/uv cut filter. 2 panel mosaic best 25% of 1,000 . Had to convert to jpeg as i keep getting an error 200 when trying to upload a larger file. ( 50+ mb ) clicky for full rez.
and a few with the 385c camera with neodymium filter and mostly barlowed.
Recently got sky watcher skyliner 200P and trying to get started with it. I wanted to use it for terrestrial (sea) views as well. I was expecting the image to be upside down but instead it is angled/sideways. I'm not sure if there is something wrong with scope or I need to tweak anything to get it right? Appreciate any advice. Thanks.