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I cannot reproduce the error. You not give the time of observation, so I was computing for today September 23 at 0h UT. At this time we have dRA=-21.95s and the value in the PHD2 panel is -290.85 In your computation you forget to multiply by the cosine of declination, at 0h UT the declination was +27.95° The computation is 21.95*15*cos(27.95)=290.85 Can you check again if you really get this value of 187 ? I not remember if I fix something on this subject recently. But in any case can you install the last beta version because this is the version I can make any correction. It is available from https://sourceforge.net/projects/skychart/files/0-beta/2019-09-23/ |
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My son's laptop does produce the correct values. My desktop has produced the correct values twice, but after searching for the object again, i get the incorrect values. |
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2 screenshots, one of my sons laptop, other of my desktop. My son's desktop pc produces the same (wrong) values as mine, desktop-cdc.jpg (49,864 bytes) sons laptop.jpg (57,455 bytes) |
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Other value but still wrong fout.jpg (69,257 bytes) |
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When you get the wrong value, can you check it is using the right elements for the computation. Show the detailed object information and look for the ref: field, it must be "ref: 6/2019-05-14" Also please upgrade to the 4.1.1 beta version, I cannot give support on a version that is more than two years old. |
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It looks like it is the wrong object. fout_info.jpg (164,485 bytes) |
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I have Beta version active, no changes. Regards Hugo fout_info3.jpg (186,573 bytes) fout_info2.jpg (151,982 bytes) |
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OK, so there is no error with the PHD2 interface or the comet computation but this is because you get some wrong elements for this comet. I don't know how, maybe a temporary glitch in the MPC, or a file you download elsewhere? but this is easy to fix. Open the menu Setup / Solar system / Comet tab / Data maintenance tab. On the line "Quickly delete all data related to comet" click the button "Delete", then click OK. Open the menu Update / Comet elements. When complete activate the comet display again. |
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Ok, this looks better, I deteled the file and the related data. Thank you for help. Regards Hugo |
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Good, thank you for the feedback. What I can do to prevent this situation is to automatically delete the previous data when updating the elements from the menu Update / Comet elements. Most user do not need to keep old data and advanced user that need to accumulate many files can still use the full options in the menu Setup / Solar system. |
- Anonymous
