Comet LINEAR 2001 A2
Date : June 29th, 2001
Time : 02:55:10- (AZ time)
Optics : 8inch Baker-Schmidt camera f.l.=460mm F2.3
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep ( @-20.0 C )
Exposure : Blue(B)=60sec.x3 , Green(V)=60sec.x6 , Red(R)=60sec.x3
White balance : 6500K
Scale : Diagonal = 2 degree
Visual true color image
Date : June 28th, 2001
Time : 02:50:40- (AZ time)
Optics : 8inch Baker-Schmidt camera f.l.=460mm F2.3
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep ( @-20.0 C )
Exposure : Blue(B)=60sec.x2 , Green(V)=60sec.x4 , Red(R)=60sec.x2
White balance : 6500K
Scale : Diagonal = 2 degree
Visual true color image
Left : Original image , Right : Unsharp mask image
Comparing with comet LINEAR( C/1999 S4 )
Date : June 24th, 2001
Time : 03:15:40- (AZ time)
Optics : 8inch Baker-Schmidt camera f.l.=460mm F2.3
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep ( @-20.0 C )
Exposure : Blue(B)=60sec.x3 , Green(V)=60sec.x4 , Red(R)=60sec.x2
White balance : 6500K
Scale : Diagonal = 2 degree
Visual true color image
Date : June 24th, 2001
Time : 03:43:24- (AZ time)
Optics : 8inch Baker-Schmidt camera f.l.=460mm F2.3
Filter : IRcut filter ( white in visual )
Camera : Apogee AP2Ep ( @-20.0 C )
Exposure : 60sec.x2
Scale : Diagonal = 2 degree
White and black image
Date : June 23rd, 2001
Time : 03:46:10- (AZ time)
Optics : 8inch Baker-Schmidt camera f.l.=460mm F2.3
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep ( @-20.0 C )
Exposure : Blue(B)=60sec.x1 , Green(V)=60sec.x2 , Red(R)=60sec.x1
White balance : 6500K
Visual true color image
Date : June 23rd, 2001
Time : 03:46:10- (AZ time)
Optics : 8inch Baker-Schmidt camera f.l.=460mm F2.3
Filter : IDAS UBVRI -> VRI
Camera : Apogee AP2Ep ( @-20.0 C )
Exposure : Blue(V)=60sec.x2 , Green(R)=60sec.x1 , Red(I)=60sec.x1
White balance : 6500K
Near Infrared color image
Date : April 11th, 2001
Time : 20:01:00- (AZ time)
Optics : 20cm SCT + 0.63x
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep
Exposure : B=30sec.x2 , V=30sec.x4 , R=30sec.x2
White balance : 6500K
Filter : B,V,R,I of IDAS UBVRI filter set
Exposure : B=30sec.x2 , V=30sec.x4 , R=30sec.x2 , I=30sec.x2
Date : April 14th, 2001
Time : 20:15:00- (AZ time)
Optics : 20cm SCT + 0.63x
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep
Exposure : B=60sec.x2 , V=60sec.x4 , R=60sec.x2
White balance : 6500K
Filter : B,V,R,I of IDAS UBVRI filter set
Exposure : B=60sec.x2 , V=60sec.x4 , R=60sec.x2 , I=60sec.x2
Date : April 16th, 2001
Time : 20:18:00- (AZ time)
Optics : 20cm SCT + 0.63x
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep
Exposure : B=60sec.x2 , V=60sec.x4 , R=60sec.x2
White balance : 6500K
Filter : B,V,R,I of IDAS UBVRI filter set
Exposure : B=60sec.x2 , V=60sec.x4 , R=60sec.x2 , I=60sec.x2
Date : April 20th, 2001
Time : 20:17:00- (AZ time)
Optics : 20cm SCT + 0.63x
Filter : IDAS UBVRI -> BVR
Camera : Apogee AP2Ep
Exposure : B=60sec.x2 , V=60sec.x4 , R=60sec.x2
White balance : 6500K
Filter : B,V,R,I of IDAS UBVRI filter set
Exposure : B=60sec.x2 , V=60sec.x4 , R=60sec.x2 , I=60sec.x2
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