------------- list of events --------------------------------------
c: overcast or rain               s: clear sky with stars          
m: many clouds and a few stars    p: a few clouds and many stars   
...,...: no observation           /: under investigation    
-------------------------------------------------------------------

Date        UT  6  9  12 15 18 21 24   comments 
2001/01/01  ----|..|..|..|..|..|..|
            SGK ,..,..,.///////,..,
            STA ,..,..,..,..,..,..,
            RIK ,..,..,////////,..,
2001/01/02  ----|..|..|..|..|..|..|
            SGK ,..,..,.//////.,..,
            STA ,..,..,..,..,..,..,
            RIK ,..,..,.///////,..,
2001/01/03  ----|..|..|..|..|..|..|
            SGK ,..,..,..//////,..,
            STA ,..,..,..,..,..,..,
            RIK ,..,..,..cccccc,..,    C31
2001/01/04  ----|..|..|..|..|..|..|
            SGK ,..,..,..,.////,..,
            STA ,..,..,..,..,..,..,
            RIK ,..,..,..,ccccc,..,    C31
2001/01/05  ----|..|..|..|..|..|..|
            SGK ,..,..,..,..///,..,    OH
            STA ,..,..,..,..,..,..,
            RIK ,..,..,..,.////,..,
2001/01/06  ----|..|..|..|..|..|..|
            SGK ,..,..,..,..,//,..,    OH
            STA ,..,..,..,..,..,..,
            RIK ,..,..,..,..///,..,
2001/01/07  ----|..|..|..|..|..|..|
            SGK ,..,..,..,..,.cc..,    OH
            STA ,..,..,..,..,..,..,
            RIK ,..,..,..,..,./,..,
2001/01/11  ----|..|..|..|..|..|..|
            SGK ,../..,..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,..,..,..,..,..,..,
2001/01/12  ----|..|..|..|..|..|..|
            SGK ,..//.,..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,.///.,..,..,..,..,
2001/01/13  ----|..|..|..|..|..|..|
            SGK ,..//.,..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,.///.,..,..,..,..,
2001/01/14  ----|..|..|..|..|..|..|
            SGK ,..///,..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,./////..,..,..,..,
2001/01/15  ----|..|..|..|..|..|..|
            SGK ,../////.,..,..,..,
            STA ,..,mmmmm,..,..,..,    C21
            RIK ,.//////.,..,..,..,
2001/01/16  ----|..|..|..|..|..|..|
            SGK ,..//////,..,..,..,
            STA ,..mppmmm,..,..,..,    C21
            RIK ,.//////.,..,..,..,


------------- list of events --------------------------------------
c: overcast or rain               s: clear sky with stars          
m: many clouds and a few stars    p: a few clouds and many stars   
...,...: no observation           /: under investigation    
-------------------------------------------------------------------

Date        UT  6  9  12 15 18 21 24   comments 
2001/01/17  ----|..|..|..|..|..|..|
            SGK ,..///////..,..,..,
            STA ,..psssssss.,..,..,    C21
            RIK ,.///////,..,..,..,
2001/01/18  ----|..|..|..|..|..|..|
            SGK ,..////////.,..,..,
            STA ,..mpppsssss,..,..,    C21
            RIK ,.////////..,..,..,
2001/01/19  ----|..|..|..|..|..|..|
            SGK ,..////////.,..,..,
            STA ,..mmmmcccccc..,..,    C21
            RIK ,./////////.,..,..,
2001/01/20  ----|..|..|..|..|..|..|
            SGK ,..ccccccccc,..,..,    C11
            STA ,..mmmppssssss.,..,    C21
            RIK ,.//////////,..,..,
2001/01/21  ----|..|..|..|..|..|..|
            SGK ,..//////////..,..,
            STA ,..ssssssssssm.,..,    C21
            RIK ,.////////////.,..,
2001/01/22  ----|..|..|..|..|..|..|
            SGK ,..///////////.,..,
            STA ,..ccccccccccccc..,    C21
            RIK ,.////////////.,..,
2001/01/23  ----|..|..|..|..|..|..|
            SGK ,..///////////.,..,
            STA ,..ssppmmmmmmmmm..,    C21
            RIK ,.////////////.,..,
2001/01/24  ----|..|..|..|..|..|..|
            SGK ,..///////////.,..,
            STA ,..ccccccccccccc..,    C21
            RIK ,.////////////.,..,
2001/01/25  ----|..|..|..|..|..|..|
            SGK ,..ccccccccccc.,..,    C11
            STA ,..,ccccccccccc,..,    C21
            RIK ,.////////////.,..,
2001/01/26  ----|..|..|..|..|..|..|
            SGK ,..,ccccccccccc,..,    C11
            STA ,..,cccccccccc.,..,    C21
            RIK ,..///////////.,..,
2001/01/27  ----|..|..|..|..|..|..|
            SGK ,..,///////////,..,
            STA ,..,.//////////,..,
            RIK ,..,//////////.,..,
2001/01/28  ----|..|..|..|..|..|..|
            SGK ,..,.//////////,..,
            STA ,..,../////////,..,
            RIK ,..,.ccccccccc.,..,    C31
2001/01/29  ----|..|..|..|..|..|..|
            SGK ,..,..////////.,..,
            STA ,..,..,////////,..,
            RIK ,..,..////////.,..,


------------- list of events --------------------------------------
c: overcast or rain               s: clear sky with stars          
m: many clouds and a few stars    p: a few clouds and many stars   
...,...: no observation           /: under investigation    
-------------------------------------------------------------------

Date        UT  6  9  12 15 18 21 24   comments 
2001/01/30  ----|..|..|..|..|..|..|
            SGK ,..,..,///////.,..,
            STA ,..,..,.///////,..,
            RIK ,..,..,////////,..,
2001/01/31  ----|..|..|..|..|..|..|
            SGK ,..,..,.cccccc.,..,    C11
            STA ,..,..,..ccccc.,..,    C21
            RIK ,..,..,.//////.,..,
2001/02/01  ----|..|..|..|..|..|..|
            SGK ,..,..,..cccccc,..,    C11
            STA ,..,..,..,ccccc,..,    C21
            RIK ,..,..,..//////,..,
2001/02/02  ----|..|..|..|..|..|..|
            SGK ,..,..,..,/////,..,
            STA ,..,..,..,.////,..,
            RIK ,..,..,..,/////,..,
2001/02/03  ----|..|..|..|..|..|..|
            SGK ,..,..,..,.////,..,
            STA ,..,..,..,..ccc,..,    C21
            RIK ,..,..,..,.///.,..,
2001/02/04  ----|..|..|..|..|..|..|
            SGK ,..,..,..,..,//,..,
            STA ,..,..,..,..,//,..,
            RIK ,..,..,..,..///,..,
2001/02/05  ----|..|..|..|..|..|..|
            SGK ,..,..,..,..,./,..,
            STA ,..,..,..,..,.cc..,    C21
            RIK ,..,..,..,..,./,..,
2001/02/10  ----|..|..|..|..|..|..|
            SGK ,..//.,..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,..//.,..,..,..,..,
2001/02/11  ----|..|..|..|..|..|..|
            SGK ,..///,..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,..//.,..,..,..,..,
2001/02/12  ----|..|..|..|..|..|..|
            SGK ,..////..,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,..///,..,..,..,..,
2001/02/13  ----|..|..|..|..|..|..|
            SGK ,..ccccc.,..,..,..,    C11
            STA ,..,..,..,..,..,..,
            RIK ,../////.,..,..,..,
2001/02/14  ----|..|..|..|..|..|..|
            SGK ,..//////,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,..//////,..,..,..,
2001/02/15  ----|..|..|..|..|..|..|
            SGK ,..//////,..,..,..,
            STA ,..,..,..,..,..,..,
            RIK ,..///////..,..,..,