sponsored by psychohistorian.org


Deep Sky Observer's Companion – the online database


Welcome, guest!

If you've already registered, please log in,

or register an observer profile for added functionality.


log in to manage your observing lists























Full database:

Entire DOCdb database of 18,816 objects.



NGC 7405 (17,429 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




finder chart

altitude today

altitude (year)


½°, , in DOCdb

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/yivumoo/public_html/show_object.php on line 167

Warning: fopen(/home/yivumoo/public_html/logs/showobject/20210926.txt): failed to open stream: Disk quota exceeded in /home/yivumoo/public_html/show_object.php on line 168

Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/yivumoo/public_html/show_object.php on line 181

Warning: fclose() expects parameter 1 to be resource, boolean given in /home/yivumoo/public_html/show_object.php on line 182

show browsing

NGC 7405

NGC 7405, LEDA 69907, GC 6093

RA: 22h 52m 57.17s
Dec: +12° 35′ 37″

Con: Pegasus
Ch: MSA:1234, U2:213, SA:17


(reference key)

Type: galaxy, S

Mag: B=16, V=?

Size: 0.316′ x 0.223′
PA: ?

History and Accurate Positions for the NGC/IC Objects (Corwin 2004)

NGC 7405 is lost. Marth found this in August of 1864, describing it merely as "eF, S, R." Though his position was copied faithfully into the NGC, there are no galaxies nearby that Marth could have seen.

The nearest object fitting his description that he could have picked up is NPM1G +12.0573, chosen by RNGC and Wolfgang Steinicke to carry the NGC number. However, it is 40 seconds of time preceding and 7 arcmin north of Marth's position, not an obvious error to make. Another candidate is CGCG 430-021 -- but that is even further away at 2 minutes 45 seconds of time preceding and 5 arcmin north.

My own desperate, last-ditch, guess is that Marth picked up one of the faint stars nearer his position, but I have no idea which one. He found ten other nebulae that same night, but there is no significant systematic offset in his positions for them from the modern positions, and all are within 1.5 arcmin of his nominal positions. So, N7405 stands alone among them as unrecoverable.

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a galaxy. Their coded description reads SLEL,STEL.

Favourite lists

Lacaille's catalogue

The Messier objects

Dunlop's catalogue

The Bennett objects

The Caldwell list

Named DSOs

Object search

First search phrase


Second search phrase

Type of object to include:

open cluster
globular cluster
planetary nebula
bright nebula
dark nebula
galaxy cluster
asterism & stars

The Bug Report

DOCdb is still in beta-release.

Known issues, feature requests, and updates on bug fixes, are here:

> Bug Report


Found a bug? Have a comment or suggestion to improve DOCdb? Please let us know!

> Contact us


DOCdb is a free online resource that exists to promote deep sky observing.

You could help by sharing your observations, writing an article, digitizing and proof-reading historical material, and more.

> Find out more

Everything on DOCdb.net is © 2004-2010 by Auke Slotegraaf, unless stated otherwise or if you can prove you have divine permission to use it. Before using material published here, please consult the Creative Commons Attribution-Non-Commercial-Share Alike 2.5 License. Some material on DOCdb is copyright the individual authors. If in doubt, don't reproduce. And that goes for having children, too. Please note that the recommended browser for DOCdb is Firefox 3.x. You may also get good results with K-Meleon. Good luck if you're using IE. A successful experience with other browsers, including Opera and Safari, may vary.

Warning: Unknown: open(/tmp/sess_3238d870698502f8e938781fa3148864, O_RDWR) failed: Disk quota exceeded (122) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct () in Unknown on line 0