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EdZ
Professor EdZ
Reged: 02/15/02
Posts: 12159
Loc: Cumberland, R I , USA42N71.4W
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Re: small binocs M44 star counts and galaxies
05/22/08 12:16 PM
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Just a bit on your NELM. Just the other night was full moon. I was observing towards the noth and I checked stars in Ursa Minor and could see all the way to mag 5.0. however, behind me in the vicinity of the full moon. best I could see was about mag 4.0.
The NELM reading you want to take should be taken in the vicinity of the object you are viewing. Sky can vary considerably from one region to another.
Straddle stars. If they are inside or on the line, I consider them IN.
BTW, seeing the faintest stars takes considerable effort. In some of the LM studies/counts that I've done, I can count the first 40-50 stars in the first few minutes. I might take 10 minutes to see the last 4-5 stars.
edz
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