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EMMI Filters - Focus Offsets


Available in postscript format:FocusOffset.ps
 

                    Emmi Filters Focus Correction -December 25, 1995                    
  
ESO # Filter CW/BW Arm Cell Type * Red Offset Blue Offset
587 He I 4480/48 R/B R1 -14 -10
588 He II 4690/66 R/B B -136 -55
589 O III/0 5011/55 R/B R2 -33 -30
590 O III/3000 5055/62 R/B R2 1 -10
591 O III/6000 5111/61 R/B R2 -94 -43
592 O III/9000 5156/64 R/B R2 45 10
593 O III/12000 5208/67 R/B R3 -50 -30
594 O III/15000 5257/68 R/B R3 -50 -40
595 N II/0 6607/71 R R3 -83  
596 H alpha /0 6568/73 R R3 49  
597 H alpha/3000 6631/66 R R3 52  
598 H alpha/6000 6685/67 R R3 16  
599 H alpha/9000 6760/71 R R3 60  
600 H alpha/12000 6833/72 R R3 82  
601 H alpha/15000 6894/73 R R3 -75  
602 U 3542/542 B B   -55
603 B 4223/941 R/B B -97  
604 B 4220/946 R/B B    
605 Bb 4139/1098 R R3 -49  
606 V 5426/1045 R R3 124  
608 R 6410/1542 R R3    
610 I 7985/1552 R R3 11  
611 Z cut on 8420 R R3 -12  
643 BG 38 4819/2769 R/B R2 -9  
644 GG 375 cut on 3692 R/B B -24 -10
645 OG 530 cut on 5300 R/B R1 17 -15
646 RG 715 cut on 7215 R R3 -7  
647 Ne V 3422/83 B B   -80
648 O II/0 3725/69 B B   45
649 O II/5000 3795/67 B B   -70
650 O II/10000 3853/70 B B   35
651 O II/15000 3927/78 B B   -95
652 He II 4693/73 R/B R1 -33 -55
653 N II/0 6588/30 R R2 6  
654 H alpha 6560/33 R R3 41  
655 S II 6728/74 R R3 52  
656 Spec. 9129/193 R R3 95  
657 S III/0 9540/105 R R2 64  
658 EUV(UG11/5) 3661/750 B B   -55
671 Spec. 4680/152 R/B B -172 -110
672 Spec. 4695/285 R/B R1 32 -10
673 Spec. 5030/28 R R1 -27  
723 Spec. 3949/35 B B   -40
765 Spec. 4895/15 R R3 -48  
766 Spec. 5059/21 R R2 -35  
767 Spec. 5464/21 R R2 -19  
768 Spec. 6026/54 R R2 -7  
769 BG39 4722/2372 R/B R3 -85 -85
770 H beta 4862/77 R R3 13  
772 Gunn g 5094/751 R R2 -123  
773 Gunn r 6764/809 R R3 -16  
774 Gunn i 8060/1423 R R2 3  
775 Gunn z 9973/522 R R2 195  
776 Tys. B 4456/1462 R/B R3 -480  
 
* Cell Type:

B : Blue-arm filter, mounted perpendicular to the beam.
R1 : Red-arm filter, mounted with a tilt of 2.5 deg.
R2 : Red-arm filter, mounted with a tilt of 5.0 deg.
R3 : Red-arm filter, mounted with a tilt of 7.5 deg.

 

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