... The comet was 17th magnitude, until the 23rd of October. ... unexpectedly) brightened to a 2.5 magnitude fuzzy ball in the constellation Perseus ... in terms of astronomers' brightness scale, where it now hovers near magnitude 3 ...
... FILLS FOV,LOOSE,SCATTERED,*'S 8 TO 10 MAGNITUDE,R=F NGC 6741 17mmT4 Planetary Neb 4 ... MB,ML,NICE IN 9MM,*'S APPROX SAME MAGNITUDE,PAIR=6843,R=F NGC 6843 Open Cluster 10.0 ...
... Their magnitudes are 4.2 and 6.0. ... NGC 6826, also called "The Blinking Planetary", is magnitude 8.8. ... It has an easily observed 10.6 magnitude central star. ...
... Open Cluster 9.3 II 3 r n CL,L,RI,LC Feb 17 2004 31" Dec 20 2003 31" VB,EL,APPROX 50*'S,OVERFLOWS FOV,VARIOUS MAGNITUDES,LOOSELY SCATTERED,R=F VB,EL,APPROX 70 *'S VARIOUS MAG,LOOSELY SCATTERED,NEBULOUSITY DETECTED,R=G NGC 1907 H39-7 Open Cluster 11.0 I 1 ...
... MAGNITUDES,BACKGROUND GLOW,R=G NGC 6857 H144-3 Nebula HII F,AM MILKY WAY ST Jul 24 1981 12.5" 12mm DIF,3 OR 4 F*'S IN NEB,PATCHY NGC 6866 H59-7 MB,MS Open Cluster 10.0 II 2 r CL,L,VRI,CC Jun 06 1981 12.5" 16mm NGC 6871 25mm Open Cluster 6.8 II 2 p n CL,ST ...
... Telescope Characteristics . Resolving Power . (arcseconds) . Limiting Magnitude (M L ") Table . Version 4.1 by Matt Oltersdorf 2000 04 10 10:00 UTC. ...