NGC 2477
Open cluster in the constellation Puppis
title: "NGC 2477" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["ngc-objects", "open-clusters", "puppis", "caldwell-objects", "astronomical-objects-discovered-in-1751"] description: "Open cluster in the constellation Puppis" topic_path: "general/ngc-objects" source: "https://en.wikipedia.org/wiki/NGC_2477" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Open cluster in the constellation Puppis ::
::data[format=table title="Infobox Cluster"]
| Field | Value |
|---|---|
| name | NGC 2477 |
| image | [[Image:NGC2477.jpg |
| caption | Open cluster NGC 2477 in Puppis |
| epoch | J2000 |
| constellation | Puppis |
| ra | |
| dec | |
| dist_ly | ~ 3600 ly |
| dist_pc | ~ 1100 pc |
| appmag_v | 5.8 |
| size_v | 27 |
| names | Caldwell 71, Cr 165 |
| :: |
| name = NGC 2477 | image = [[Image:NGC2477.jpg|300px]] | caption = Open cluster NGC 2477 in Puppis | epoch = J2000 | constellation = Puppis | ra = | dec = | dist_ly = ~ 3600 ly | dist_pc = ~ 1100 pc | appmag_v = 5.8 | size_v = 27 | notes = | names = Caldwell 71, Cr 165
NGC 2477 (also known as Caldwell 71 or the Termite Hole Cluster) is an open cluster in the constellation Puppis. It contains about 300 stars,{{cite web | title = NGC 2477 | work = SEDS Messier Objects Database | url = http://messier.seds.org/xtra/ngc/n2477.html | access-date = 2010-12-13 | title=The search for the nebulae - VI | last=Jones | first=K. G. | journal=Journal of the British Astronomical Association | volume=79 | pages=213–222 | date=March 1969 | bibcode=1969JBAA...79..213J
Visual appearance
NGC 2477 is a stunning cluster, almost as extensive in the sky as the full moon. It has been called "one of the top open clusters in the sky",{{cite web |title = NGC/IC Project Public Database |work = Results for NGC 2477 |url = http://www.ngcicproject.org/ngcicdb.asp |access-date = 2010-12-13 |url-status = dead |archive-url = https://web.archive.org/web/20120520010558/http://www.ngcicproject.org/ngcicdb.asp |archive-date = 2012-05-20 |author = Robert Burnham Jr. |title = Burnham's Celestial Handbook |volume = III |year = 1978 |publisher = Dover |location = New York |isbn = 978-0-486-24065-7 |page = 1516 |url = https://archive.org/details/burnhamscelestia03burn/page/1516
Distance
Burnham cites several published distances, ranging from 700 pc to 1900 pc, where "ly" is the abbreviation for light year.
Notes
References
- Stoyan, Ronald. (2014). "interstellarum Deep Sky Atlas". Cambridge University Press; Oculum-Verlag GmbH.
::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::