Travel Observation of M-81 and 82 with a Polaris 130
Posted 15 March 2015 - 09:55 AM
Anyway, I did get a good look at M-81 and M-82. Their location is on the Polaris side of the big dipper and a little bit forward of the dipper proper. They stood out brightly at that location, which is probably a green zone for light pollution. I don't know why, but I was surprised to see both of them in the view with a 26 mm, 60 deg, Meade 5000 series 5 element Plossl, which has almost the same true field of view as a 4000 series 32mm Plossl. I actually had quite a bit of room around the two galaxies, so I dropped to the 20 mm to get a little more magnification. I thought M-82 looked somewhat like a minnow with its head down and M-81 was sort of an egg. I got glimpses of what looked like a semi-circle of dark very near the core, first on one side and then on the other at times, but thought that was probably my imagination. I also saw what looked to be a curved portion of dark in the outer part of both the lower left and the upper right, if I remember correctly. These were just momentary blinks, so I was not sure if they were real or not.
I finally thought about putting in the 14 or 9 mm eyepieces and see if I could get more contrast, but I glanced at my watch and was surprised to see if was 10 PM...time to go to bed. I had to drive for a couple hours the next morning to get to my next plant.
I thought there would be another good night on the following evening. There was in terms of the weather, but after a long day with not as much sleep as I needed the previous night, I decided I better not go out with six hours of driving scheduled the next day, which happened to be mostly in the rain. So, looking at M 81 with higher powers will have to wait for another time.
I looked up pictures of M 81 and was surprised to see a dark ring around the core in some pictures and some swirls of dark in about the areas that I remember seeing. Hey! Maybe I really did see some of those things! I am happy!
Meade replaced those five element Plossls with the HD 60 series, which are truly better and I am slowly working on purchasing a set. But, I sure do like the 5000 series Plossls. I have better eyepieces, like the 82 degree MWAs, but I think I will keep those home and not travel with the them to my plants. Both 4000 and 5000 series Plossles are plenty good for taking to places that I am not as familiar with as my back yard and it would be easier for something silly to happen.
Actually, a good set of four element Plossls is about all anyone really needs for a lifetime of observation. I have many other eyepieces, which I consider a bit of a luxury but nice to have.
- Zeus and RickScofield like this
Posted 16 March 2015 - 06:32 AM
I know a while back I used to use a lot of University optics konig series .They did change design a bit and I dont think they are as good ass the original ones but still not bad for the price.Meade series 5000 were a good set.When i went to imaging I didnt do much visual but still have all eyepieces here.Its been hard to get out to do anything the past year or so with MS issues so ive been at a stand still of late.I did realize a few weeks my OBS PC failed on me as i have so many hardware issues nnow it will beed a complete rebuild.Hopefully if i can get to feeling a little better i can get a new PC going and reload all the siftware and pry to GOD the scope fires up with no issues.If the scope is down ill be down for a long while infortunatly
Fife Lake, Mi.
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