IC 640
Overlaid DSS image of IC 640, 60' x 60' with north at top and west to the right
Aladin viewer for the region around IC 640
| Type | Non-Existent |
|---|---|
| Magnitude | Right Ascension | 10h 46' 50.4" (2000) |
| Declination | 34° 46' 3" N |
| Constellation | Leo Minor |
| Description | vF, pS, E, D ? |
Observing Notes
Harold Corwin
IC 640 and IC 641 do not exist. Though Bigourdan has micrometric measurements for both of them -- four for IC 640 -- on 27 March 1887, he notes, in italics, "This is, without doubt, a false image" for both objects. The nominal positions are both near bright stars, about 15 arcmin apart. There are several galaxies in the area, but only NGC 3381 -- for which Bigourdan has separate measurements -- is bright enough to have been seen by him. I'm going to trust his comments and call both objects non-existent.
Other Data Sources for IC 640
Nearby objects for IC 640
17 objects found within 120'
| IC 2603 | IC 2604 | IC 2605 |
| IC 2608 | IC 2610 | IC 2612 |
| IC 641 | NGC 3381 | NGC 3382 |
| NGC 3395 | NGC 3396 | NGC 3424 |
| NGC 3430 | NGC 3432 | NGC 3442 |
| Praecipua | UGC 5829 |
Credits...
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page
IC 640