NGC 6905
DSS image of NGC 6905
Overlaid DSS image of NGC 6905, 30' x 30' with north at top and west to the right

Aladin viewer for the region around NGC 6905
Blue Flash Nebula
H IV 16, h 2075, GC 4572, PK61-9.1, 2MASX J20222299+2006162

Type  Planetary Nebula
Magnitude  11.1
Size  1.7' x 0.73'
RA (2000)  20h 22' 23.0"
Dec (2000)  20° 6' 16" N
Constellation  Delphinus
Description  B, pS, R, 4S* nr
Classification  3(3)
Observing Notes

Andrew Cooper
Apr 19, 2012    Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 262x

A bright planetary, about 2' in diameter, round, distinct outer boundary, no color noted, central star is visible with averted vision

Andrew Cooper
Aug 27, 2006    TIMPA, Avra Valley, AZ (map)
28cm f/10 SCT Gypsy

Modest planetary nebula nestled into a group of stars, round with some structure visible, no obvious color, no central star noted, about 2' in diameter, slightly brighter at the center and the halo is uneven in brightness as well, three brighter stars bracket the nebula (mags. 7.5, 10.3 and 11.3)

Andrew Cooper
Jun 9, 2002    Las Cienegas NCA, Pima Co., AZ (map)
46cm f/4.5 Deep Violet

Round, some structure in the north-south axis of the nebula, nested in a nice group of bright stars

Rev. T.W. Webb
Hardwick, Herefordshire, England (map)

Small, faint, misty, ill-defined, closely surrounded by several small stars. E. of Rosse Spiral.

- Celestial Objects for Common Telescopes, T. W. Webb, 1917
Other Data Sources for NGC 6905
Nearby objects for NGC 6905
2 objects found within 120'
18 Sagittae HD 194577
Acknowledgements and Credits...

Drawings, descriptions and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

Positional and some physical information is from the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

Additional object data from the SIMBAD database, operated at CDS, Strasbourg, France.

The Digitized Sky Survey was produced at the Space Telescope Science Institute under U.S. Government grant NAG W-2166. The images of these surveys are based on photographic data obtained using the Oschin Schmidt Telescope on Palomar Mountain and the UK Schmidt Telescope.

Dark nebulae data from E.E. Barnard, A Photographic Atlas of Selected Regions of the Milky Way. Ed. Edwin B. Frost and Mary R. Calvert. Carnegie Institution of Washington, 1927

Object descriptions of Rev. Webb from Celestial Objects for Common Telescopes sixth edition, Rev. T.W. Webb, 1917, edited by Rev T.E.Espin.

NGC & IC object notes from Harold Corwin licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. Additional supplementary material for NGC and IC catalog objects from Courtney Seligman with non-commercial use allowed, found at

NGC 6905